User:Nivruttisusar

Cisco Router Configuration Commands

Summary Cisco Router Configuration Commands - Lists how to enable and disable interfaces, add IP addresses to interfaces, enable RIP or IGRP and set passwords. Cisco Router Show Commands - Handy show commands to check on the status of interfaces. Cisco Router Basic Operations - Covers getting into and out of different modes. Also, some handy shortcut keys are included. Cisco Router Copy Commands - How to save and backup your router configuration and IOS file. Cisco Router Debug Commands - Some useful debug commands. Description

Cisco Router Configuration Commands Requirement	Cisco Command 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 peter Enable an interface	Router(config-if)#no shutdown To 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 To add an IP address to a interface	Router(config-if)#ip addr 10.1.1.1 255.255.255.0 To 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 To 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 he whole router	Router(config)#cdp run Disable CDP on an interface	Router(config-if)#no cdp enable

Cisco Router Show Commands Requirement	Cisco Command 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 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 Requirement	Cisco Command Enable	Enter privileged mode Return to user mode from privileged	disable Exit Router	Logout or exit or quit Recall last command	up arrow or  Recall next command	down arrow or  Suspend or abort 	 and  and 6 then x	  Refresh screen output	 Compleat Command	TAB

Cisco Router Copy Commands Requirement	Cisco Command 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 Requirement	Cisco Command 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

-- Nivrutti V. Susar Tech-Support Engineer

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