From: James Ventre (messageboard@ventrefamily.com)
Date: Mon Mar 13 2006 - 18:41:49 GMT-3
Desirable/Active is the best practices way for forming an etherchannel.
Without it, you can cause some serious spanning tree loops because all
the one switch needs to channel 2 interfaces is link ..... using
LACP/PAgP makes certain the the other end is capable of handing an
etherchannel and isn't just stuck in ROMMON or something.
James
CCIE KH49279 wrote:
> Quick question about setting up etherchannels both l2 and l3.
>
> If asked to setup an etherchannel and there is no specification of Cisco or
> Standards based, what do you all typically do?
>
> I am just curious as to pitfalls you all may have seen using either PAgP or
> LACP, in terms of other functions or configuration dependencies, if any.
>
> Thanks,
>
> Wayne
>
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