[c-nsp] 7600 router and Etherchannel across multiple line card

Pete Templin petelists at templin.org
Mon Jun 8 10:44:45 EDT 2009


Ibrahim Abo Zaid wrote:

> I am trying to establish L2 Etherchannel between 2 7609 routers ,
> SUP720-MSFC3 , PFC is 3BXL and Line cards WS-X6148-GE and IOS is *
> 12.2(33)SRD*
> 
> are there any concerns to establish this etherchannel between ports in
> different line cards ?

I vaguely recall a major limitation in the 6148 cards: not only is the 
card limited by only 6 1Gbps controllers, I believe EtherChannel traffic 
is mirrored across all 6 1Gbps controllers and therefore 1Gbps of EC 
traffic will max the card.

pt



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