Cisco Router configuration command

show ip route   View the routing table

show protocols     Display all routed protocols and the set protocols on interfaces

show ip protocols     Display routing protocols configured on the router, and gives the information of timer used in the routing protocols

router rip      Activate RIP protocols

network + networking straight section  Release the networking straight section

interface lookback 0   Activate logic interface  

passive-interface +interface type+ interface number   Configure the interface as passive mode

debug ip +protocol    View routing updates on dynamic condition

undebug all   Close all DEBUG information

router eigrp +as number   Activate EIGRP routing protocol

network +network segment+subnet mask   Released directly connected networks

show ip eigrp neighbors   View neighbor table

show ip eigrp topology     View topology table

show ip eigrp traffic    View the number of packets sent

router ospf +process-ID   Activate OSPF protocol

network+networking straight section+area+area number    Release the networking straight section

show ip ospf     Display OSPF process number and ROUTER-ID

encapsulation+ Encapsulation Format   Change the encapsulation format

no ip admain-lookup  Turn off the router's domain name lookup

ip routing    Start routing function on the three switches

show user    View online users of SW

clear line +line number    Clear lines

More related topics
The Default Configuration for Cisco Router
Enterprise network manager: The router-on-a-stick