[c-nsp] mpls and etherchannel

Aaron aaron1 at gvtc.com
Wed Apr 20 21:13:00 EDT 2016

Mike, I'm using lacp etherchannel like crazy all over my mpls network and
have been seeing very nice loadbalancing for years. Asr9k and me3600.


-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Mike
Sent: Wednesday, April 20, 2016 11:52 AM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] mpls and etherchannel


     I have 2x 200mbps microwave links connecting switch 'a' to switch 'b'.
I have a port-channel configured and I currently get an acceptable split of
traffic based on source / destination address mac hash.

     I am now looking to deploy mpls in this portion of the network and I am
concerned that I will no longer get much of any traffic split since the mac
address of the frames will largely be the mpls sender / receiver and not
much of any diversity here. I have read that the solutions would be ecmp,
but then I am worried about the possibility of packet re-ordering...? The
links themselves are direct point to point and I don't anticipate that one
would be any faster or slower than the other, I just don't know what to
expect or if there is something else I would look at for this situation?

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