PAgP+ and VSS

Unanswered Question
Jan 15th, 2008
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We are about to setup a VSS system for one of our customers. My question is regarding the enhancment to PAgP that VSS uses to discover Dual-Active scenarios.

The customer will connect cisco 3750's with Multi Chassis Etherchannel to the VSS, does the 3750 support PAgP+ out of the box ? If not what IOS do we need to get this to work or is this PAgP addition transparent to the 3750's somehow ?

Other option is to use Bidirectional Forwarding Detection, what is recommended ?

// BR Daniel

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houston.wertel Mon, 03/31/2008 - 17:28
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Your only option if you are planning on using a stack 3750 is to use BFD on an two directly conected interfaces on the 6500 chassis. just follow the documentation on cisco for setting up the BFD and you should be good to go.

eduardo.ramirez Sun, 08/04/2013 - 18:16
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guys hopeffuly you can help me with my VSS situtation

I have VSS running on my Choke's Data Center which are connected to my Core’s 65009-E too PAgP is working apparently good on my L3 port-channels but problem is when I have Dual-Active situation for some reason when both get active roll start to have OSPF process ID issues

Any idea or recommendation?



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