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Webcast-Catalyst9k
New Member

how to reduce the timer of UDLD

hi,

I have a 3550 switch with ZX and configure UDLD.

When I pull out single line, the port will be down in 50 sec. Could I reduce the time ?

best regards.

fred.

3 REPLIES
Silver

Re: how to reduce the timer of UDLD

Hi Fred,

I am afraid we cannot reduce this becuase the Spanning Tree Calculations take place during that time.

New Member

Re: how to reduce the timer of UDLD

try UDLD aggressive mode.

New Member

Re: how to reduce the timer of UDLD

It sounds like you don't have autonegotiation active or the port would immediately go down when you pull out a single line. The first thing I would suggest is configuring autonegotiation but it you can not do that you can adjust the udld timer with, udld message time N.

http://www.cisco.com/en/US/products/hw/switches/ps708/products_configuration_guide_chapter09186a008007e722.html#1020417

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