DISCUSSING ABOUT 6 ?DISCUSSING ABOUT 6 ?
WHAT IS NETWORK…………………… ?BASIC NETWORK DEVICES…………?WHAT IS HUB……………………..........?WHAT IS SWITCH………………………..? WHAT IS ROUTER………………………..?CONFIGURATIONS OF ROUTERS…?----------------------------------------------------------------------------TOTAL=6?-----
NETWORKNETWORK
ANY COLLECTION OF INTERCONNECTED DEVICES WHICH IS ABLE TO COMMUNICATE WITH EACH OTHER OVER A MEDIUM IS CALLED A
NETWORK.
NETWORK DEVICESNETWORK DEVICES
HUBHUBHUB IS NETWORK DEVICE WHICH IS USED FOR CONNECTING MULTIPLE NETWORK DEVICES TOGETHER TO
ACT AS SINGLE NETWORK SEGMENT
SWITCHSWITCH
SWITCHSWITCH
SWITHCH AN INTELLIGENT DEVICE WHICH GIVES THE SECURE COMMNUICATION BETWEEN SOURCE AND DESTINATION
PORT MAC
1 1A
2 2A
3 3A
4 4A
L3 L3 SWITCHSWITCH
L3 SWITCHL3 SWITCH
SWITHCHES ARE CABABLE TO DO ROUTINGS.WHICH IS CALLED AS ‘MANAGEABLE
SWITCHES’OR ‘
L3 SWITCHES’
IS POSSIBLE TO PING TOIS POSSIBLE TO PING TOFROM 1 TO 6 ? FROM 1 TO 6 ?
NET ID:192.168.0.0
NET ID:172.16.0.0
ROUTERROUTER
ROUTER IS A DEVICE WHICH MAKES
COMMUNICATION POSSIBLE BETWEEN
TWO OR MORE DIFFERENT
NETWORKS PRESENT IN DIFFERENT
GEOGRAPHICAL LOCATIONS.
INTERNL COMPONENTSINTERNL COMPONENTS
ROM FLASHNVRAMRAMPROCESSOR
17
USER EXEC MODEPRIVILLAGE EXEC MODEGLOBAL CONFIGURATION
MODEROMMON MODE
SETUP MODE
USER EXEC MODEUSER EXEC MODE
The user EXEC commands allow you to connect to remote devices, change
terminal settings on a temporary basis, perform basic tests, and list system
information. The prompt for user EXEC mode is the name of the device followed
by an angle bracket: Router>.
PRIVILLAGE MODEPRIVILLAGE MODE
Privileged EXEC mode is password protected, and allows the use of all EXEC
mode commands available on the system.
To enter this mode use enable command
GLOBAL CONFIGURATION MODEGLOBAL CONFIGURATION MODE
Global configuration mode allows to apply all the features that going to
affect the entire router system.To enter global configuration mode,
use the configure terminal privileged EXEC
command.
NEWORKS SUBNET MASK
Enable password
DEFAULT GATEWAY
PORT NUMBER
192.168.0.0 255.255.255.0
HCL@123
192.168.0.1 0/0
172.16.0.0 255.255.0.O 172.16.0.1 0/1