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Webcast-Catalyst9k
New Member

automatic errordisable on trunk ports with errors

Hi

What's the best way, in CatOS, to set a trunk port to become errordisabled if there is excessive number of errors on the port (faulty sfp/gbic/cable)?

"udld aggresive mode" seems to be able to errordisable port when it can't re-establish link with the remote side, however it doesn't work when errors come in bursts and not constant.

Thanks

3 REPLIES
Silver

Re: automatic errordisable on trunk ports with errors

You can use the command "set errordetecion link-errors action errdisable" to errdisbale the linke based on the number of rx or tx crc errors due to the link being bad. This command was introduced in 8.4 release.

You can set several parameters of the command like setting up a thresold , recovery action , timers etc.

For more details , take a look here.

http://www.cisco.com/en/US/products/hw/switches/ps708/products_command_reference_chapter09186a008022f4a3.html#wp1063837

Thanks

salman Z.

New Member

Re: automatic errordisable on trunk ports with errors

Thanks for the suggestion, Salman. However we are running 8.3.3 on all our production 6500. Is there any other solution for releases before 8.4?

Silver

Re: automatic errordisable on trunk ports with errors

Actually there was a request by lot of customers to have some mechanism to errdisable the port based on link errors besides the usual reasons like udld , link flaps etc. Since this command was added starting from 8.4 release , unfortunately , no solution is available before that release.

thanks

Salman Z.

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