Aruba 3810 / 5400R Management and Configuration Guide for ... · Aruba 3810 / 5400R Management and Configuration Guide for ArubaOS-Switch 16.05 Part Number: 5200-4203a Published:

Aruba 3810 / 5400R Management andConfiguration Guide for ArubaOS-Switch 16.05

Part Number: 5200-4203aPublished: April 2018Edition: 2

© Copyright 2017 Hewlett Packard Enterprise

NoticesThe information contained herein is subject to change without notice. The only warranties for Hewlett PackardEnterprise products and services are set forth in the express warranty statements accompanying such productsand services. Nothing herein should be construed as constituting an additional warranty. Hewlett PackardEnterprise shall not be liable for technical or editorial errors or omissions contained herein.

Confidential computer software. Valid license from Hewlett Packard Enterprise required for possession, use, orcopying. Consistent with FAR 12.211 and 12.212, Commercial Computer Software, Computer SoftwareDocumentation, and Technical Data for Commercial Items are licensed to the U.S. Government under vendor'sstandard commercial license.

Links to third-party websites take you outside the Hewlett Packard Enterprise website. Hewlett Packard Enterprisehas no control over and is not responsible for information outside the Hewlett Packard Enterprise website.

AcknowledgmentsIntel®, Itanium®, Pentium®, Intel Inside®, and the Intel Inside logo are trademarks of Intel Corporation in the UnitedStates and other countries.

Microsoft® and Windows® are either registered trademarks or trademarks of Microsoft Corporation in the UnitedStates and/or other countries.

Adobe® and Acrobat® are trademarks of Adobe Systems Incorporated.

Java® and Oracle® are registered trademarks of Oracle and/or its affiliates.

UNIX® is a registered trademark of The Open Group.

Chapter 1 About this guide........................................................................... 32Applicable products..................................................................................................................................32Switch prompts used in this guide........................................................................................................... 32

Chapter 2 Time synchronization...................................................................33NTP..........................................................................................................................................................33

NTP related commands................................................................................................................ 33timesync............................................................................................................................. 33timesync ntp....................................................................................................................... 34ntp...................................................................................................................................... 34[no] ntp............................................................................................................................... 35ntp enable...........................................................................................................................35ntp authentication............................................................................................................... 36ntp max-associations..........................................................................................................37ntp server........................................................................................................................... 37ntp server key-id.................................................................................................................39ntp ipv6-multicast............................................................................................................... 39debug ntp........................................................................................................................... 40ntp trap............................................................................................................................... 40show ntp servers ............................................................................................................... 41show ntp statistics.............................................................................................................. 42show ntp status.................................................................................................................. 42show ntp authentication......................................................................................................42show ntp associations........................................................................................................ 43

FQDN support for NTP servers ....................................................................................................44FQDN support for NTP servers.......................................................................................... 44

Elements of time synchronization............................................................................................................ 46Time synchronization protocols................................................................................................................47

timesync........................................................................................................................................ 47Setting a time protocol on the switch....................................................................................................... 47The SNTP protocol.................................................................................................................................. 47

Selecting and configuring SNTP................................................................................................... 49Prerequisites...................................................................................................................... 49sntp.....................................................................................................................................49Enabling SNTP in Broadcast mode....................................................................................50Configuring SNTP in unicast mode.................................................................................... 51

Viewing SNTP parameters............................................................................................................52Viewing SNTP server addresses using the CLI..................................................................53

Enabling SNTP client authentication.............................................................................................53Requirements to enable SNTP client authentication..........................................................53Viewing all SNTP authentication keys that have been configured on the switch............... 54

SNTP poll interval......................................................................................................................... 54sntp poll-interval................................................................................................................. 55SNTP unicast time polling with multiple SNTP servers...................................................... 55

SNTP server priority......................................................................................................................55sntp server priority .............................................................................................................55

SNTP software version................................................................................................................. 56sntp server .........................................................................................................56

SNTP server address....................................................................................................................56

Contents

Contents 3

sntp server ....................................................................................................56Adding SNTP server addresses......................................................................................... 57

SNTP authentication trusted keys.................................................................................................57trusted................................................................................................................................ 57

Configuration files and the include-credentials command .................................................57Configuring the key-identifier, authentication mode, and key-value..............................................58

sntp authentication............................................................................................................. 59Configuring a key-id as trusted...........................................................................................59Associating a key with an SNTP server............................................................................. 60sntp server priority..............................................................................................................61Enabling and disabling SNTP client authentication............................................................61Viewing SNTP authentication configuration information.....................................................62Viewing statistical information for each SNTP server.........................................................64

SNTP messages in the event log..................................................................................................65Storing security information in the running-config file................................................................... 65

The TimeP Protocol................................................................................................................................. 65Enabling TimeP mode...................................................................................................................65

timesync timep................................................................................................................... 66TimeP in DHCP mode........................................................................................................ 66Enabling TimeP for DHCP..................................................................................................67

Viewing, enabling, and modifying the TimeP protocol(Menu)....................................................... 67TimeP operation in manual mode................................................................................................. 69

timesync timep................................................................................................................... 69ip timep...............................................................................................................................69

Viewing, enabling, and modifying the TimeP protocol (Menu)...................................................... 70Current TimeP configuration......................................................................................................... 71

show timep......................................................................................................................... 71show management............................................................................................................. 71

Change from one TimeP server to another ..................................................................................72TimeP poll interval.........................................................................................................................72

ip timep...............................................................................................................................72Disable time synchronization protocols ...................................................................................................72

Disabling TimeP in manual mode..................................................................................................72no ip timep..........................................................................................................................72

Disabling time synchronization......................................................................................................73no timesync........................................................................................................................ 73Disabling timsync using the GUI........................................................................................ 73

Disabling the TimeP mode............................................................................................................ 73no ip timep..........................................................................................................................73

Disabling time synchronization without changing the SNTP configuration................................... 74timesync............................................................................................................................. 74

Disabling SNTP mode...................................................................................................................74Disabling SNTP Mode...................................................................................................................75

no sntp................................................................................................................................75Deleting an SNTP server....................................................................................................75Disabling SNTP by deleting a server..................................................................................75

Disabling time synchronization in DHCP mode by disabling the TimeP mode parameter............ 76ip timep ......................................................................................................................... 76

Other time protocol commands................................................................................................................76Show management command...................................................................................................... 76

show management............................................................................................................. 77Show SNTP command..................................................................................................................77

show sntp........................................................................................................................... 77Show TimeP command................................................................................................................. 78

show................................................................................................................................... 79

4 Aruba 3810 / 5400R Management and Configuration Guide forArubaOS-Switch 16.05

Chapter 3 Resource usage............................................................................ 81Viewing current resource usage...............................................................................................................81

showquos...................................................................................................................................... 81Viewing information on resource usage...................................................................................................82

When insufficient resources are available.....................................................................................83Policy enforcement engine............................................................................................................84Usage notes for show resources output........................................................................................85

Chapter 4 Hardware components................................................................. 86Services................................................................................................................................................... 86

Show services............................................................................................................................... 86No parameters.............................................................................................................................. 86

show services.....................................................................................................................86Show services locator................................................................................................................... 87Show services device....................................................................................................................88

show services device......................................................................................................... 88Requesting a reboot......................................................................................................................89Services in Operator/Manager/Configure context......................................................................... 89

Services (operator).............................................................................................................89Services (manager)............................................................................................................ 90Services (configure)........................................................................................................... 91Enable or disable devices.................................................................................................. 92no services......................................................................................................................... 92Accessing CLI-passthrough............................................................................................... 92

Show services set locator module.................................................................................................93command name..................................................................................................................93

Reloading services module........................................................................................................... 93command name..................................................................................................................93

Connection to the application via a serial port.............................................................................. 93command name..................................................................................................................94

Shutdown the services module..................................................................................................... 94command name..................................................................................................................94

Transceiver status....................................................................................................................................94Operating notes.............................................................................................................................94show interfaces transceivers.........................................................................................................95

Configuring the type of a module............................................................................................................. 95module type...................................................................................................................................95

Clearing the module configuration........................................................................................................... 96Configuring transceivers and modules that have not been inserted........................................................ 96

Transceivers..................................................................................................................................96Modules.........................................................................................................................................96Clearing the module configuration................................................................................................ 96

Power consumption................................................................................................................................. 97show system power-supply........................................................................................................... 97

Fans....................................................................................................................................................... 100show system .............................................................................................................................. 101show system fans..................................................................................................................102show system power-supply......................................................................................................... 104Fan failures and SNMP traps...................................................................................................... 108

System boot diagnostics........................................................................................................................ 108show system post..................................................................................................................108show system post member...................................................................................................109show system post vsf member.......................................................................................... 110

Contents 5

Chapter 5 Port status and configuration....................................................112Viewing port status and configuration.................................................................................................... 112

show interfaces.................................................................................................................... 112Viewing transceiver information............................................................................................................. 114The port VLAN tagged status.................................................................................................................115Dynamically updating the show interfaces command............................................................................ 116

command name...........................................................................................................................116Customizing the show interfaces command...........................................................................................117

show interfaces custom...............................................................................................................117show interface smartrate............................................................................................................. 118show interface port utilization ..................................................................................................... 119

Enabling or disabling ports and configuring port mode.......................................................................... 119interface.......................................................................................................................................119

Basic USB port commands.................................................................................................................... 120usb-port...................................................................................................................................121show usb-port........................................................................................................................ 121

Enabling or disabling flow control.......................................................................................................... 122interface flow-control................................................................................................................... 122

Configuring auto-MDIX.......................................................................................................................... 123interface mdix-mode....................................................................................................................123show interfaces config.................................................................................................................124show interfaces brief................................................................................................................... 124

Viewing port configuration (Menu)......................................................................................................... 125Configuring ports (Menu)....................................................................................................................... 125Configuring friendly port names............................................................................................................. 126

interface name............................................................................................................................ 126Configuring a single port name................................................................................................... 126Configuring the same name for multiple ports............................................................................ 127Viewing friendly port names with other port data........................................................................ 127

show name....................................................................................................................... 127show interface.................................................................................................................. 127show config...................................................................................................................... 128

Listing all ports or selected ports with their friendly port names............................................................ 128show name..................................................................................................................................128Including friendly port names in per-port statistics listings.......................................................... 129

show interface.................................................................................................................. 129Searching the configuration for ports with friendly port names................................................... 130

show config...................................................................................................................... 130Configuring uni-directional link detection............................................................................................... 131

interface link-keepalive................................................................................................................131Enabling UDLD........................................................................................................................... 132Changing the keepalive interval.................................................................................................. 132Changing the keepalive retries....................................................................................................132Configuring UDLD for tagged ports.............................................................................................132Viewing UDLD information.......................................................................................................... 133

show link-keepalive.......................................................................................................... 133clear link-keepalive......................................................................................................................133Viewing summary information on all UDLD-enabled ports..........................................................133Viewing detailed UDLD information for specific ports................................................................. 134

Port status and Port parameters............................................................................................................ 135Connecting transceivers to fixed-configuration devices.............................................................. 135Error messages associated with the show interfaces command................................................ 137

Using pattern matching with the show interfaces custom command .....................137Auto-MDIX configurations...................................................................................................................... 137

6 Aruba 3810 / 5400R Management and Configuration Guide forArubaOS-Switch 16.05

Manual override.......................................................................................................................... 138About using friendly port names............................................................................................................ 138

Configuring and operating rules for friendly port names............................................................. 139Uni-directional link detection (UDLD).....................................................................................................139

Configuring UDLD....................................................................................................................... 140Prerequisites.................................................................................................................... 140

Uplink failure detection...........................................................................................................................140Configuration Guidelines for UFD............................................................................................... 142UFD enable/disable.....................................................................................................................142

uplink-failure-detection..................................................................................................... 142UFD track data configuration...................................................................................................... 142

uplink-failure-detection-track............................................................................................ 142UFD minimum uplink threshold configuration............................................................................. 143

uplink-failure-detection-track............................................................................................ 143show uplink-failure-detection.......................................................................................................144

show uplink-failure-detection............................................................................................144UFD operating notes................................................................................................................... 144Error log...................................................................................................................................... 144Invalid port error messages.........................................................................................................145

Port Shutdown with Broadcast Storm.................................................................................................... 145Configuration Commands........................................................................................................... 145

fault-finder broadcast-storm............................................................................................. 145Viewing broadcast-storm configuration....................................................................................... 146

show fault-finder broadcast-storm.................................................................................... 147Broadcast-storm event logs........................................................................................................ 149

Chapter 6 Power over ethernet (PoE/PoE+) operation............................. 150PoE ....................................................................................................................................................... 150

PoE terminology..........................................................................................................................150Planning and implementing a PoE configuration................................................................................... 150

Power requirements.................................................................................................................... 150Assigning PoE ports to VLANs....................................................................................................151Applying security features to PoE configurations........................................................................151Assigning priority policies to PoE traffic...................................................................................... 151

PoE operation........................................................................................................................................ 151PoE configuration options........................................................................................................... 152PD support.................................................................................................................................. 152PoE power priority.......................................................................................................................153

Assigning PoE priority with two or more modules............................................................ 153About configuring PoE........................................................................................................................... 153Disabling or re-enabling PoE port operation.......................................................................................... 155

interface...................................................................................................................................... 156Enabling support for pre-standard devices............................................................................................ 156

power-over-ethernet....................................................................................................................156Configuring the PoE port priority............................................................................................................156

interface...................................................................................................................................... 156Controlling PoE allocation......................................................................................................................157

int................................................................................................................................................ 157Manually configuring PoE power levels................................................................................................. 158

Detection status: fault..................................................................................................................159Configuring PoE redundancy (chassis switches only)........................................................................... 159

power-over-ethernet redundancy................................................................................................ 159Changing the threshold for generating a power notice.......................................................................... 160

power-over-ethernet slot............................................................................................................. 160Enabling or disabling ports for allocating power using LLDP.................................................................160

Contents 7

int poe-lldp-detect........................................................................................................................160Enabling PoE detection via LLDP TLV advertisement........................................................................... 161

lldp config.................................................................................................................................... 161Negotiating power using the DLL...........................................................................................................161

int poe-lldp-detect........................................................................................................................161Initiating advertisement of PoE+ TLVs...................................................................................................163

lldp config.................................................................................................................................... 163Temporary PoE+ power drop...................................................................................................... 163

Viewing PoE when using LLDP information...........................................................................................164show lldp config...........................................................................................................................164

Viewing the global PoE power status of the switch................................................................................166show power-over-ethernet.......................................................................................................... 166

Viewing PoE status on all ports..............................................................................................................167show power-over-ethernet.......................................................................................................... 167

Viewing the PoE status on specific ports............................................................................................... 169show power-over-ethernet.......................................................................................................... 169

Configuring thresholds for generating a power notice........................................................................... 172PoE/PoE+ allocation using LLDP...........................................................................................................172

LLDP with PoE............................................................................................................................ 172LLDP with PoE+..........................................................................................................................172

PoE+ with LLDP Overview............................................................................................... 172PoE allocation.................................................................................................................. 173

Operation note............................................................................................................................ 173

Chapter 7 Port trunking............................................................................... 174Port trunking overview........................................................................................................................... 174

Port trunk connections and configuration....................................................................................174Viewing and configuring port trunk groups.............................................................................................175

Viewing static trunk type and group for all ports or for selected ports.........................................175show trunks...................................................................................................................... 175

Viewing static LACP and dynamic LACP trunk data................................................................... 176show lacp......................................................................................................................... 176

Configuring a static trunk or static LACP trunk group................................................................. 176trunk................................................................................................................................. 176

Removing ports from a static trunk group................................................................................... 177no trunk............................................................................................................................ 177

Enabling dynamic LACP trunk groups........................................................................................ 177interface lacp active..........................................................................................................177

Remove ports from a dynamic LACP trunk group.......................................................................178no interface lacp............................................................................................................... 178

Set the LACP key........................................................................................................................178lacp...................................................................................................................................178

Viewing and configuring a static trunk group (Menu).............................................................................179Enable L4-based trunk load balancing...................................................................................................180

trunk-load-balance...................................................................................................................... 180Viewing trunk load balancing................................................................................................................. 181

show trunks................................................................................................................................. 182Operating notes...........................................................................................................................182

Distributed trunking................................................................................................................................ 182Configure ISC ports.....................................................................................................................182

switch-interconnect...........................................................................................................183Configuring distributed trunking ports......................................................................................... 183

trunk................................................................................................................................. 183Configuring peer-keepalive links................................................................................................. 184

distributed-trunking...........................................................................................................184

8 Aruba 3810 / 5400R Management and Configuration Guide forArubaOS-Switch 16.05

Viewing distributed trunking information......................................................................................185show lacp distributed........................................................................................................185show distributed-trunk...................................................................................................... 185

Viewing peer-keepalive configuration..........................................................................................186Viewing switch interconnect........................................................................................................ 186

Port trunk operations..............................................................................................................................186Fault tolerance ........................................................................................................................... 187

Trunk configuration methods..................................................................................................................187Dynamic LACP trunk...................................................................................................................187Dynamic LACP Standby Links.................................................................................................... 187Viewing LACP Local Information.................................................................................................188Viewing LACP Peer Information..................................................................................................188Viewing LACP Counters..............................................................................................................188Using keys to control dynamic LACP trunk configuration........................................................... 188Static trunk.................................................................................................................................. 189

Operating port trunks........................................................................................................190Show port-security log......................................................................................................192

Static or dynamic trunk group overview...................................................................................... 193Enabling a dynamic LACP trunk group....................................................................................... 193Dynamic LACP standby links...................................................................................................... 194Viewing LACP local information.................................................................................................. 194Viewing LACP peer information.................................................................................................. 195Viewing LACP counters...............................................................................................................195

Trunk group operation using LACP........................................................................................................196Default port operation..................................................................................................................198LACP operating notes and restrictions........................................................................................200

802.1X (Port-based access control) configured on a port................................................ 200Port security..................................................................................................................... 200Changing trunking methods............................................................................................. 201Static LACP trunks........................................................................................................... 201Dynamic LACP trunks...................................................................................................... 201VLANs and dynamic LACP.............................................................................................. 201Blocked ports with older devices...................................................................................... 201Spanning Tree and IGMP.................................................................................................202Half-duplex, different port speeds, or both not allowed in LACP trunks........................... 202Dynamic/static LACP interoperation.................................................................................202

Trunk group operation using the "trunk" option......................................................................................202Viewing trunk data on the switch............................................................................................................203Outbound traffic distribution across trunked links.................................................................................. 203Trunk load balancing using Layer 4 ports.............................................................................................. 205Distributed trunking overview.................................................................................................................205

Distributed trunking interconnect protocol...................................................................................207Configuring distributed trunking.................................................................................................. 207

Configuring peer-keepalive links............................................................................................................207Maximum DT trunks and links supported....................................................................................209Forwarding traffic with distributed trunking and spanning tree....................................................209

Forwarding unicast traffic................................................................................................. 210Forwarding broadcast, multicast, and unknown traffic .....................................................211

IP routing and distributed trunking.............................................................................................. 212Distributed trunking restrictions...................................................................................................214

Updating software versions with DT...................................................................................................... 215

Chapter 8 Port traffic controls.................................................................... 218Rate-limiting........................................................................................................................................... 218

Configuring rate-limiting on all traffic...........................................................................................218

Contents 9

rate-limit............................................................................................................................218Viewing the current rate-limit configuration................................................................................. 219

show rate-limit.................................................................................................................. 219Configuring ICMP rate-limiting.................................................................................................... 221

int rate-limit icmp.............................................................................................................. 222Viewing the current ICMP rate-limit configuration....................................................................... 222

show rate-limit icmp..........................................................................................................223Resetting the ICMP trap function of the port............................................................................... 223

int rate-limit.......................................................................................................................224setmib...............................................................................................................................224Determining the switch port number used in ICMP port reset commands....................... 224

Configuring an egress/outbound broadcast limit on the switch...................................................225broadcast-limit.................................................................................................................. 225show config...................................................................................................................... 226Configuring inbound rate-limiting for broadcast and multicast traffic................................226

Rate-limiting Unknown Unicast Traffic........................................................................................ 228rate-limit unknown-unicast in percent..........................................................229rate-limit unknown-unicast in kbps................................................................ 230show rate-limit unknown-unicast.......................................................................231

Egress per-queue rate-limiting.................................................................................................... 231Overview.......................................................................................................................... 232Configuration commands................................................................................................. 232

Guaranteed Minimum Bandwidth (GMB) for outbound traffic................................................................ 233int bandwidth-min output............................................................................................................. 234Non-default GMB settings........................................................................................................... 235

int bandwidth-min output.................................................................................................. 236Viewing the current GMB configuration.......................................................................................237

show bandwidth output.....................................................................................................237Validation rules............................................................................................................................240Event log..................................................................................................................................... 240

All traffic rate-limiting..............................................................................................................................241Operating notes for rate-limiting..................................................................................................242

ICMP rate-limiting.................................................................................................................................. 243ICMP rate-limiting........................................................................................................................244Using both ICMP rate-limiting and all-traffic rate-limiting on the same interface.........................245Operating notes for ICMP rate-limiting........................................................................................246

Testing ICMP rate-limiting................................................................................................ 247ICMP rate-limiting trap......................................................................................................247

Rate-limiting Unknown Unicast Traffic................................................................................................... 247rate-limit unknown-unicast in percent.................................................................... 247rate-limit unknown-unicast in kbps...........................................................................248show rate-limit unknown-unicast................................................................................. 250

Guaranteed minimum bandwidth (GMB)............................................................................................... 250GMB operations.......................................................................................................................... 250

Impacts of QoS queue configuration on GMB operation..................................................251Impact of QoS queue configuration on GMB commands................................................. 252

Jumbo frames........................................................................................................................................ 252Operating rules for jumbo frames................................................................................................253

Jumbo traffic-handling...................................................................................................... 253Jumbo frame maximum size....................................................................................................... 254Jumbo IP MTU............................................................................................................................ 254Configuring jumbo frame operation.............................................................................................255

Prerequisites.................................................................................................................... 255View the current jumbo configuration............................................................................... 255Enabling or disabling jumbo traffic on a VLAN................................................................. 256Configuring a maximum frame size..................................................................................257

10 Aruba 3810 / 5400R Management and Configuration Guide forArubaOS-Switch 16.05

Configuring IP MTU..........................................................................................................257Viewing the maximum frame size.....................................................................................258

Troubleshooting Jumbo frames...................................................................................................258A VLAN is configured to allow jumbo frames, but one or more ports drops all inboundjumbo frames....................................................................................................................258"Excessive undersize/giant frames" messages in the Event Log.....................................259

Chapter 9 Fault-Finder port-level link-flap................................................. 260Overview................................................................................................................................................ 260fault-finder link-flap ................................................................................................................................260Show fault-finder link-flap.......................................................................................................................262Event Log...............................................................................................................................................262Restrictions............................................................................................................................................ 263

Chapter 10 Configuring for Network Management Applications.............264Configuring the switch to filter untagged traffic...................................................................................... 264

ignore-untagged-mac.................................................................................................................. 264Viewing configuration file change information........................................................................................264

show running-config.................................................................................................................... 264Minimal interval for successive data change notifications..................................................................... 266

setmib..........................................................................................................................................266Viewing the current port speed and duplex configuration on a switch port............................................266

show interfaces........................................................................................................................... 267Viewing the configuration.......................................................................................................................268

show running-config.................................................................................................................... 268RMON advanced management............................................................................................................. 269

rmon alarm.................................................................................................................................. 269Configuring UDLD verify before forwarding........................................................................................... 272

UDLD time delay......................................................................................................................... 272Restrictions.......................................................................................................................272

UDLD configuration commands.................................................................................................. 272link-keepalive mode..........................................................................................................273

show link-keepalive..................................................................................................................... 273RMON generated when user changes UDLD mode................................................................... 274

MAC configurations................................................................................................................................274Configuring the MAC address count option................................................................................ 274

snmp-server mac-count-notify..........................................................................................274Configuring the MAC address table change option.....................................................................274

snmp-server mac-notify....................................................................................................275Per-port MAC change options for mac-notify.............................................................................. 275

mac-notify traps................................................................................................................275Viewing the mac-count-notify option........................................................................................... 276

show mac-count-notify..................................................................................................... 276Viewing mac-notify traps configuration........................................................................................278

show mac-notify traps...................................................................................................... 278Configuring sFlow.................................................................................................................................. 278

sflow............................................................................................................................................ 279sFlow Configuring multiple instances..........................................................................................280Viewing sFlow Configuration and Status.....................................................................................280

show sflow agent..............................................................................................................280show snmpv3 user...................................................................................................................... 282

Configuring SNMP................................................................................................................................. 283Network security notifications......................................................................................................283

SNMP traps on running configuration changes................................................................283

Contents 11

Source IP address for SNMP notifications....................................................................... 284Listening mode................................................................................................................. 284

Group access levels....................................................................................................................284SNMPv3 communities...................................................................................................... 286

SNMPv2c informs....................................................................................................................... 286SNMP notifications......................................................................................................................286

Supported Notifications.................................................................................................... 286Configuring SNMP notifications........................................................................................287SNMPv1 and SNMPv2c Traps......................................................................................... 287

SNMPv3 users............................................................................................................................ 293Add users......................................................................................................................... 294

SNMP tools for switch management........................................................................................... 294SNMP management features........................................................................................... 294SNMPv1 and v2c access to the switch............................................................................ 295SNMPv3 access to the switch.......................................................................................... 295

Enabling SNMPv3....................................................................................................................... 296Configuring users in SNMPv3..................................................................................................... 297

snmpv3 user.....................................................................................................................297Switch access from SNMPv3 agents.......................................................................................... 297

snmpv3 enable................................................................................................................. 297Restrict access from SNMPv3 agents.........................................................................................297

snmpv3 only..................................................................................................................... 297Restrict non-SNMPv3 agents to read-only access......................................................................298

snmpv3 restricted-access.................................................................................................298Operating status of SNMPv3.......................................................................................................298

show snmpv3................................................................................................................... 298Non-SNMPv3 message reception status.................................................................................... 298

show snmpv3 only............................................................................................................298Non-SNMPv3 write message status........................................................................................... 298

show snmpv3 restricted-access....................................................................................... 298Viewing and configuring non-version-3 SNMP communities (Menu).......................................... 298SNMP trap receiver configuration............................................................................................... 299

snmp-server host..............................................................................................................299SNMPv2c inform option.............................................................................................................. 300

snmp-server host..............................................................................................................300Configuring SNMPv3 notifications...............................................................................................301

snmpv3 notify................................................................................................................... 302snmpv3 targetaddress......................................................................................................302snmpv3 params................................................................................................................303

SNMPv3 community mapping.....................................................................................................304snmpv3 community.......................................................................................................... 304

Running configuration changes and SNMP traps....................................................................... 305Startup configuration changes and SNMP traps......................................................................... 305

snmp-server enable traps startup-config-change.............................................................306Source IP address for SNMP notifications.................................................................................. 307

snmp-server response-source..........................................................................................307snmp-server trap-source.................................................................................................. 308

SNMP replies and traps configuration.........................................................................................309SNMP notification configuration.................................................................................................. 309

show snmp-server............................................................................................................ 309Assign users to groups................................................................................................................310

snmpv3 group...................................................................................................................310snmp-server community.............................................................................................................. 311Community names and values....................................................................................................312Notification/traps for network security failures and other security events................................... 313

snmp-server enable traps.................................................................................................313Current network security notification configuration..................................................................... 315

12 Aruba 3810 / 5400R Management and Configuration Guide forArubaOS-Switch 16.05

show snmp-server traps................................................................................................... 315Link-Change Traps......................................................................................................................315

snmp-server enable traps link-change............................................................................. 315Listening mode............................................................................................................................316

snmp-server listen............................................................................................................ 316CDP configuration..................................................................................................................................316

CDP mode...................................................................................................................................316cdp moden........................................................................................................................316

CDPv2 for voice transmission..................................................................................................... 317cdp mode pre-standard-voice...........................................................................................317

CDP operation on individual ports...............................................................................................319cdp enable........................................................................................................................319

CDP Operation............................................................................................................................319cdp run............................................................................................................................. 319

CDP information filter.................................................................................................................. 320CDP switch configuration view....................................................................................................320

show cdp.......................................................................................................................... 320CDP neighbors switch table view................................................................................................321

show cdp neighors........................................................................................................... 321LLDP configuration................................................................................................................................ 321

LLDP and CDP data management..............................................................................................321LLDP and CDP neighbor data..........................................................................................322CDP operations................................................................................................................ 323

LLDP........................................................................................................................................... 323LLDP operations...............................................................................................................324Packet boundaries in a network topology.........................................................................324LLDP operation configuration options.............................................................................. 324Transmit and receive mode..............................................................................................325Options for reading LLDP information collected by the switch......................................... 327LLDP and LLDP-MED standards compatibility.................................................................327Port trunking..................................................................................................................... 327IP address advertisements...............................................................................................327Spanning-tree blocking.....................................................................................................328802.1X blocking................................................................................................................328LLDP operation on the switch.......................................................................................... 328Time-to-Live for transmitted advertisements.................................................................... 328Delay interval between advertisements............................................................................328Re-initialize delay interval.................................................................................................329SNMP notification support................................................................................................329Changing the minimum interval........................................................................................329Basic LLDP per-port advertisement content.....................................................................329Port VLAN ID TLV support on LLDP.................................................................................330

LLDP-MED.................................................................................................................................. 330LLDP-MED classes.......................................................................................................... 332LLDP-MED operational support....................................................................................... 332

Configuring per-port transmit and receive modes....................................................................... 332lldp admin-status.............................................................................................................. 333

Remote management address for outbound LLDP advertisements........................................... 333lldp config ipAddrEnable...................................................................................................333lldp config basicTlvEnable................................................................................................334

Port speed and duplex advertisement support............................................................................334lldp config dot3TlvEnable................................................................................................. 335

Location data for LLDP-MED devices......................................................................................... 335lldp config medPortLocation............................................................................................. 335

LLDP data change notification for SNMP trap receivers.............................................................336lldp enable-notification......................................................................................................336

LLDP operation on the switch..................................................................................................... 337

Contents 13

lldp run..............................................................................................................................337LLDP-MED fast start control....................................................................................................... 337

lldp fast-start-count...........................................................................................................337Changing the packet transmission interval................................................................................. 338

lldp refresh-interval...........................................................................................................338Changing the time-to-live for transmitted advertisements...........................................................338

lldp holdtime-multiplier......................................................................................................338Delay interval ............................................................................................................................. 338

set mib lldpTxDelay.0....................................................................................................... 339Changing the reinitialization delay interval..................................................................................339

setmib lldpReinitDelay.0................................................................................................... 339PVID mismatch log messages.................................................................................................... 340

logging filter...................................................................................................................... 340Viewing port configuration details................................................................................................340

show lldp config................................................................................................................340Available switch information available outbound advertisements............................................... 341

show lldp info local-device................................................................................................341LLDP statistics............................................................................................................................ 342

show lldp stats..................................................................................................................343Global LLDP, port admin, and SNMP notification status............................................................. 344

show lldp config................................................................................................................345LLDP-MED connects and disconnects—topology change notification....................................... 345

lldp top-change-notify....................................................................................................... 345Device capability, network policy, PoE status and location data................................................. 346

Network policy advertisements.........................................................................................346Policy elements................................................................................................................ 347PoE advertisements......................................................................................................... 347Location data for LLDP-MED devices.............................................................................. 348Viewing the current port speed and duplex configuration................................................ 349Viewing LLDP statistics.................................................................................................... 350LLDP over OOBM............................................................................................................ 350LLDP operating notes.......................................................................................................355

Advertisements currently in the neighbors MIB...........................................................................356show lldp info remote-device............................................................................................356

PoE advertisements.................................................................................................................... 357show lldp info remote-device............................................................................................357show power...................................................................................................................... 357

LLDP Management TLV Transmission disablement.............................................................................. 358Overview..................................................................................................................................... 358Commands..................................................................................................................................358

[no] lldp config basicTlvEnable management_addr..........................................................358lldp config......................................................................................................................... 359

Show commands.........................................................................................................................359TVL configuration...................................................................................................................................359

VLAN ID TLV...............................................................................................................................360lldp config dot1T1vEnable................................................................................................ 360

Advertised TLVs.......................................................................................................................... 360show lldp config................................................................................................................360

TLVs controlled by medTLvEnable..............................................................................................362lldp config medTlvEnable................................................................................................. 362

Generic header ID in configuration file...................................................................................................363DHCP auto deployment.............................................................................................................. 363Add-Ignore-Tag option.................................................................................................................363Configuration commands for the add-ignore-tag option..............................................................364Show logging commands for the add-ignore-tag option..............................................................364Exclusions................................................................................................................................... 364

14 Aruba 3810 / 5400R Management and Configuration Guide forArubaOS-Switch 16.05

Chapter 11 DHCPv4 server.......................................................................... 365Overview................................................................................................................................................ 365IP pools.................................................................................................................................................. 365DHCP options........................................................................................................................................ 365BootP support........................................................................................................................................ 365Authoritative server and support for DHCP inform packets................................................................... 365Authoritative pools..........................................