Cheat sheet for Cisco IOS commands

This list is by no means comprehensive, but it is conceived to give some of the most useful commands for admins new to the Cisco CLI

• config t: enter configuration mode
• write mem: save the config to non-volatile storage
• show ip interface brief: show a summary of the network interfaces in the system
• show ip bgp summary: show the status of configured BGP adjacencies
• show ip route: show the system routing table
• show ip route bgp: show the BGP routes in the routing table