———SHOW commands
show ip dhcp binding
show mac-address
show ip route
show ip protocols – what routing protocols running
show ip nat translations – NAt mappings
show sessions – open telnet sessions
show users – connected to your router
show line
show cdp neighbour
show cdp neighbour detail
show cdp entry or *
show access-list
show ip eigrp neighbours
show frame-relay lmi
show frame-relay map
show frame-relay pvc
show ip ospf neighbour
show vlan
show vtp
show vtp status
show int fa0/1 switchport
show interface trunk
show ip ospf datbase
show ip ospf interface
show ip ospf neighbour
show ip ospf virtual-link
show spanning-tree
ping ip [source] [int]
——–Debug commands
Note you must enable logging to the console
terminal monitor
Logging console
debug ip rip
debug ip ospf adj
debug ip eigrp packets
——–Static routing
default gateway
ip route 0.0.0.0 0.0.0.0 [ISP]
ip route [destination network] [Subnet] [Next Hop]
——–Setup DNS
ip name-server [ip]