Router Initial configuration

access_time 2018-11-21T18:13:41.727Z face atul

Naming the router

    Router>enable
    Router#configure terminal
    Router(config)#hostname Wipro
    Wipro(config)#

Setting passwords
    Wipro(config)#enable password Wip123
    Usermode to privilege mode

To check a password
    Wipro#Show running-config
    
To Remove the password 
    Wipro(config)#no enable password

Configuring a banner
    Wipro(config)#banner motd #
    This Router is an asset of WIPRO.COM, Unauthorized users are stricly prohbited.
    #
    
To check a banner 
    Wipro#Show running-config

Remove banner 
    Wipro(config)#no banner motd

Broadcast error 
    Error >>> Translating "lla"...domain server (255.255.255.255)
    % Unknown command or computer name, or unable to find computer address    

    Wipro(config)#no ip domain-lookup 


Set a Clock 
    Wipro#clock set 23:19:00 21 NOV 2018
    
    
To check a clock
    Wipro#show clock 
    23:19:2.809 UTC Wed Nov 21 2018


Saving changes on a router
        Wipro#write
        Wipro#copy running-config startup-config 

To reset a router 
        Wipro#erase startup-config 
        Wipro#reload

Verifying basic configuration and router operations

Configuring interfaces

    Wipro#configure terminal
    Wipro(config)#interface Gi0/0/0
    Wipro(config-if)#ip address 192.168.1.1 255.255.255.0
    Wipro(config-if)#no shutdown

    Wipro#configure terminal
    Wipro(config)#interface Gi0/0/1
    Wipro(config-if)#ip address 192.168.75.1 255.255.255.0
    Wipro(config-if)#no shutdown

To check the Ip address's of a Router 
    Wipro#Show ip interface brief
    Wipro#Show running-config
    

 

To set a description.
    Wipro#configure terminal
    Wipro(config)#interface Gi0/0/0
    Wipro(config)#description LAN-A-Network

    Wipro#configure terminal
    Wipro(config)#interface Gi0/0/1
    Wipro(config)#description LAN-B-Network

To Check the description.    
    1. Show interface description

    R1#show interfaces description
    Interface                      Status         Protocol         Description
    Fa0/0                          admin down     down         LAN-A-Network.
    Fa1/0                          admin down     down         LAN-B-Network.

    2. Show running-config

To check the Running configuration of a interface

Wipro# show running-config interface gi0/0/0
    interface GigabitEthernet0/0/0
     description LAN-A-Network
     ip address 192.168.1.1 255.255.255.0
     duplex auto
     speed auto

To check the Routing table 

Wipro#show ip route connected 
 C   192.168.1.0/24  is directly connected, GigabitEthernet0/0/0
 C   192.168.75.0/24  is directly connected, GigabitEthernet0/0/1
 

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