Basic Cisco Routing Commands Cheatsheet

CONFIGURING A CISCO ROUTER INTERFACE
*********************************************************
Router(config)# interface gigabitethernet 0/1
Router(config-if)# ip address 192.168.12.2 255.255.255.0
Router(config-if)# no shutdown
Router(config-if)# exit
Router(config)#

SHOW ROUTING TABLE
*******************
show ip route
sh ip ro

How to configure Fast Ethernet interface 0/1 as an access port in VLAN 2:
***************************************************************************
vlan database -> (vlan)
vlan 2

Switch# configure terminal
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)# interface fastethernet0/1
Switch(config-if)# switchport mode access
Switch(config-if)# switchport access vlan 2
Switch(config-if)# end
Switch#
***************************************************************************

ROUTING DISPLAY COMMANDS
***********************
Router#show interfaces
Router#show ip protocols
Router#show ipv6 protocols
Router#show ip route
Router#show ipv6 route
Router#show ip arp
Router#show ipv6 neighbors