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show cdp neighbors

Abertone1
Level 1
Level 1

When I do a "show cdp neigbors" on a router it only shows routers not switches that are directly connected.

Should "show cdp neigbors" on a router or a switch show routers and switchs?

1 Accepted Solution

Accepted Solutions

Leo Laohoo
Hall of Fame
Hall of Fame

It should show any appliance which supports CDP:  Routers, switches, APs, VoIP phones, etc.

Maybe CDP is turned off either globally or at the interface.

View solution in original post

3 Replies 3

Leo Laohoo
Hall of Fame
Hall of Fame

It should show any appliance which supports CDP:  Routers, switches, APs, VoIP phones, etc.

Maybe CDP is turned off either globally or at the interface.

Adding with leolaohoo, pls check CDP is enabled on those switches which you are not able to see in with your device

Jigar    

johnlloyd_13
Level 9
Level 9

Hi,

Aside from checking whether CDP is enabled or not, this only works for Cisco devices but some vendors adapted this into their devices.

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