Wednesday 14 January 2015

Rull of ip addressing in router based network

* Each interface of the routermust be on diffrent subnet
*Directly connected interface must be on same subnet
*IP of ethernet interface will be default gateway for corrosponding host 

CISCO ROUTER COMMONDS

Working mode of CISCO router 
COMMONDS
1.      R1>enable                                               Go to privillege mode
2.      R1>ping 192.168.10.1                             Test connectivity
3.      R1>tracerouter 192.168.10.1                 Check path to destination
4.      R1>telnet 192.168.10.1                           Connect to remote host using telnet
5.      R1#show version                                    Display h/w and ios configuration as well as cogigured
6.      R1#sh run                                               Display running configuration
7.      R1#sh start                                             Display startup configuration
8.      R1#sh interface                                      Display all interface information
9.      R1#sh int name                                      Display info about specific interface
10.    R1#sh ip int                                            Display ip information about all interface
11.    R1#sh ip int name                                  Display ip information about specific interface
12.    R1#sh controller                                    Display serial port controller information(DCE/DTE)
13.    R1#sh controller name                          Display information about specific serial interface
14.    R1#sh ip route                                        Display routing table
15.    R1#reload                                               Reboot the router
16.    R1#copy run start                                  To save router configuration
17.    R1#copy run tftp                                    Copy rinning configuration to the tftp server
18.    R1#copy start tftp                                  Copy startup configuration to the  tftp sever
19.    R1#copy flash tftp                                  Copy IOS to the tftp sever
20.    R1#copy tftp run                                    Restore running configuration from the tftp server
21.    R1#copy tftp start                                  Restore startup configuration from the tftp server
22.    R1#copy tftp flash                                  Restore IOS from the tftp server               

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