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Beginner

Command to determine up-link on 6509 switch

Hi All, request your help. I was wondering is there a command to determine uplink ports in enterprise network. If i  know the IP we can trace the uplink port however what if no IP address is available or if the uplink is down, incomplete network diagram and have got more than 2 tengig ports.

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Hall of Fame Community Legend

Hi All, request your help. I

Hi All, request your help. I was wondering is there a command to determine uplink ports in enterprise network. If i  know the IP we can trace the uplink port however what if no IP address is available or if the uplink is down, incomplete network diagram and have got more than 2 tengig ports.

Errrr ... "sh cdp neighbor"?

Beginner

Hi Leo, thanks for your

Hi Leo, thanks for your response. unfortunately CDP has not been enabled. Also, I believe if the uplink is down, sh cdp neighbor wont work.

Cisco Employee

Hi!

Hi!

You can look for Etherchannels, descriptions in show interface description. Uplinks have more baandwidth than downlonk ports so I would look for certain characteristics such as trunk ports, Tengigabit ports and in general the port which is forwarding/receiving lots of traffic compared with other ports.

I know this is not a command itself but I hope it helps you to find the uplinks ports.

Best regards!

JC

Hall of Fame Community Legend

If the uplink is down then

If the uplink is down then unless someone has kept meticulous documentation (including interface description) there is nothing to be done and nothing can be achieved. 

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