Friday, December 10, 2010

Cisco Router commands


Set a console password to cisco-   Router(config)#line con 0
                                                                    Router(config-line)#login
                                                                    Router(config-line)#password cisco
Set a telnet password                -   Router(config)#line vty 0 4
                                                                    Router(config-line)#login
                                                                    Router(config-line)#password cisco
Stop console timing out            -   Router(config)#line con 0
                                                                    Router(config-line)#exec-timeout 0 0
Set the enable password to cisco- Router(config)#enable password cisco
Set the enable secret password to peter. This password overrides the enable password
and is encypted within the config file- 
Router(config)#enable secret SatishRana
Enable an interface                     -  Router(config-if)#no shutdown
Disable an interface                    -   Router(config-if)#shutdown
Set the clock rate for a router with a DCE cable to 64K-Router(config-if)clock rate 64000
Set a logical bandwidth assignment of 64K to the serial interface- Router(config-if)bandwidth 64
                                                                                                                            Note that the zeroes are not missing
Add an IP address to a interface -   Router(config-if)#ip addr 10.1.1.1 255.255.255.0
enable RIP on all 172.16.x.y interfaces - Router(config)#router rip
                                                                                  Router(config-router)#network 172.16.0.0
Disable RIP                                   -       Router(config)#no router rip
enable IRGP with a AS of 200, to all interfaces - Router(config)#router igrp 200
                                                                                                   Router(config-router)#network 172.16.0.0
Disable IGRP                                 -        Router(config)#no router igrp 200
Static route the remote network is 172.16.1.0, with a mask of 255.255.255.0, the next hop is 172.16.2.1, at a cost of 5 hops        -   Router(config)#ip route 172.16.1.0 255.255.255.0 172.16.2.1 5
Disable CDP for the whole router   -  Router(config)#no cdp run
Enable CDP for the whole router   -  Router(config)#cdp run
Disable CDP on an interface     -   Router(config-if)#no cdp enable
Cisco Router Show Commands
View version information     -  show version
View current configuration (DRAM)- show running-config
View startup configuration (NVRAM) - show startup-config
Show IOS file and flash space - show flash
Shows all logs that the router has in its memory - show log
View the interface status of interface e0 - show interface e0
Overview all interfaces on the router - show ip interfaces brief
View type of serial cable on s0 - show ip interfaces brief
View type of serial cable on s0 - show controllers 0 (note the space between the 's' and the '0')
Display a summary of connected cdp devices- show cdp neighbor
Display detailed information on all devices - show cdp entry *
Display current routing protocols  - show ip protocols
Display IP routing table - show ip route
Display access lists, this includes the number of displayed matches - show access-lists
Check the router can see the ISDN switch - show isdn status
Check a Frame Relay PVC connections - show frame-relay pvc
show lmi traffic stats  - show frame-relay lmi
Display the frame inverse ARP table - show frame-relay map
Cisco Router Basic Operations
Enable  -  Enter privileged mode
Return to user  mode from privileged – disable
Exit Router - Logout or exit or quit
Recall last command - up arrow or <Ctrl-P>
Recall next command - down arrow or <Ctrl-N>
Suspend or abort - <Shift> and  <Ctrl> and 6 then x
Refresh screen output - <Ctrl-R>
Compleat Command – TAB
Cisco Router Copy Commands
Save the current configuration from DRAM to NVRAM- copy running-config startup-config
Merge NVRAM configuration to DRAM - copy startup-config running-config
Copy DRAM configuration to a TFTP server - copy runing-config tftp
Merge TFTP configuration with current router configuration held in DRAM- copy tftp runing-config
Backup the IOS onto a TFTP server - copy flash tftp
Upgrade the router IOS from a TFTP server - copy tftp flash
Cisco Router Debug Commands
Enable debug for RIP   - debug ip rip
Enable summary IGRP debug information - debug ip igrp
events Enable detailed IGRP debug information- debug ip igrp transactions
Debug IPX RIP - debug ipx routing activity
Debug IPX SAP - debug IPX SAP
Enable debug for CHAP or PAP - debug ppp authentication
Switch all debugging off - no debug all
                                                     undebug all


If you found solution then you can follow me and send me your Suggestion on Satishrana93@gmail.com. 







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