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New Member

Cannot run TDR on 4500 VSS peer

Running cable diagnostics tdr on a linecard attached to the active supervisor works fine but when I try on a linecard in the peer chassis I get no output... am I missing something?

Everyone's tags (3)
1 ACCEPTED SOLUTION

Accepted Solutions
New Member

A workaround inspired by the

A workaround inspired by the configuration guide: 

http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4500/15-1-2/XE_340/configuration/guide/config/vss.html#wp1054558

Basically, find out the VSS virtual slot number of the peer supervisor by issuing the show switch virtual slot-map command, attach to that module using remote login module <number> and issue the usual cable-diagnostics commands from there.

Just sharing in case someone else comes across this problem.

Doesn't work - results aren't consistent with what's attached. Might be TAC time...

5 REPLIES
Hall of Fame Super Gold

Depends on the line card.  

Depends on the line card.  

 

From what I was told 46XX line card do not support TDR because it's a bug.  It's a bug because developers "forgot" to enable this feature.  Apparently, this will be fixed in a later date (2015).

New Member

Nice job Cisco! Alas they're

Nice job Cisco! Alas they're WS-X4748-RJ45V+E linecards. WS-X45-SUP7-E supervisors.

Hall of Fame Super Gold

Sorry, I don't have any 47XX

Sorry, I don't have any 47XX line cards to test but they should be well supported.


What IOS are you running?

New Member

3.4.4 SG4 Leo.

3.4.4 SG4 Leo.

New Member

A workaround inspired by the

A workaround inspired by the configuration guide: 

http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4500/15-1-2/XE_340/configuration/guide/config/vss.html#wp1054558

Basically, find out the VSS virtual slot number of the peer supervisor by issuing the show switch virtual slot-map command, attach to that module using remote login module <number> and issue the usual cable-diagnostics commands from there.

Just sharing in case someone else comes across this problem.

Doesn't work - results aren't consistent with what's attached. Might be TAC time...

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