Show Commands

Useful show commands by topic/technology.  A work in progress as I go through my own CCIE studies.

 General | Layer 2 | Frame Relay | RIP | OSPF | EIGRP | BGP  | MPLS | IPv6 | Multicast | QoS

General Show Commands

  • show int status | exclude _(value)_
  • show int status | i _(value)
  • show tcp brief – display description of TCP connection endpoints
  • show ip protocols

Layer 2

  • show interface x/x switchport – display switchport statistics for an interface
  • show spanning-tree root – displays information about the root bridge.
  • show spanning-tree blockedport – displays blocked ports on the bridge
  • show udld interface x/x – output from Unidirectional Link Detection per interface
  • show etherchannel summary– summarized information per etherchannel

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Frame Relay

  • show frame-relay map
  • show frame-relay pvc
  • show frame-relay lmi
  • show frame-relay route
  • show connection all
  • show interface irb

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  • show ip rip database
  • show ip protocols
  • show ip route rip

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  • show ip ospf neighbor
  • show ip ospf interface x/y
  • show ip ospf interface x/y brief
  • show ip ospf database
  • show ip ospf border-routers
  • show ip ospf virtual-links
  • show ip ospf summary-address

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  • show mpls forwarding
  • show bgp vpnv4 unicast all labels
  • show bgp vpnv4 unicast vrf (name)
  • show mpls ldp neighbor
  • show mpls ldp discovery

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  • show ip pim interface
  • show ip pim neighbor
  • show ip pim rp mapping
  • show ip pim rp-address
  • show ip rpf

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