[c-nsp] QoS on Multilink T1's.

Joseph Mays mays at win.net
Fri Mar 23 18:52:04 EDT 2012


> I would also check the policy-map statistics on the multilink interface to 
> see if it is actually doing
> anything and go from there. It *could* be a bug.

I took each t1 individually out of the multilink bundle, so the bundle 
contained only the first t1, then only the second t1. In both cases, the 
problem disappeared and QoS began working normally as soon as there was only 
one t1 in the bundle. This is without changing the multilink interface 
config or policy itself. As soon as I put both t1's back in the problem 
returns immediately.

Right now I'm planning to upgrade the router to 12.4ish Monday.




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