Hi,

> We're trying to implement VPLS PE Redundancy with Supervisor Engine 2T (VSS) 
> as described in 
> http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps708/white_paper_c11-663645.html#wp9000139
>  and constantly failing. It seems so simple: set up a VSS, use LACP or PAgP 
> port-channels to the distribution switches and do VPLS on the VSS. It just 
> doesn't seem to work. Using WS-X6908-10G-2TXL line cards already gives less 
> problems than with WS-X6704-10GE line cards, but still it fails to work very 
> often. I sometimes wonder if I am going mad or if this setup has never 
> actually been tested...
> 
> So: has anybody ever set up a network like this, or am I really beta testing 
> for Cisco now?

With a lot of thanks, credits etc to Arie Vayner: enabling 'mpls ldp 
graceful-restart' is a work-around for this problem. If you run into this 
situation look at:
- https://supportforums.cisco.com/thread/2131580
- CSCsw70062

Cheers,
Sander


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