[c-nsp] Xconnect on Portchannel interface [EoMPLS]

[Colin Whittaker]

On Thu, Oct 29, 2009 at 08:58:17AM +1000, David Hughes wrote:
> This is the configuration we use.  N * GigE port based xconnect on the  
> south side of the PE router and configure the port-channel on the "ce"  
> device.  Our PEs are multi 10GE attached.  This has worked very well for 
> us.  Only problem is picking up loss of link at the far end.  You really 
> have no choice but to rely on aggressive udld to pick up the circuit loss 
> and take it out of the port-channel.  But, in our case the end systems 
> are 6500s so you can't do fast udld timers.    You may have ~~ 1sec 
> reconvergence at L3 but an L2 issue over a pw takes about 20 seconds to 
> be picked up by udld.

Would fast rate LACP help here. Should be able to get lacp to notice
that the link is missing in < 5 seconds

Colin
-- 
Colin Whittaker					+353 (0)86 8211 965
http://colin.netech.ie			            colin at netech.ie