Cisco Router Configuration Commands

Cisco Router Configuration Commands More Cisco information: - Cisco Router Commands - Cisco IP Addressing Commands - Cisco IP Services Commands - Cisco Router and Switch Commands - Cisco Router Configuration Commands - LAB 1 Basic Cisco configuration commands Other information: - IP6 Next Generation Overview - Linux Commands- Tom's MCSE Notes - Tom's A+ Plus Notes - Tom's Networking+ (Net+) Plus Notes 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 <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 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