EtherChannel, Trunk & ip routing

Unanswered Question
Jul 27th, 2007

Hi all:

How does etherchannel affects a stacked 3750 if its port to etherchanneled is a trunk port?

When will you use L2 & L3 Etherchannel?



I have this problem too.
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Pavel Bykov Fri, 07/27/2007 - 04:54

It's called CrossStack etherchannel, an it is supported in newer versions of IOS (some 12.1.19 we had did not support it, but now we have 12.2.25 that supports it).

Trunk works fine with etherchannel. L2/L3 depends on what do you want to load balance upon, since etherchannel uses hash algorithms to assign link to a flow.


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