From: Aaron T. Woland (aaron.woland@ins.com)
Date: Tue Mar 14 2006 - 13:01:31 GMT-3
Just to clarify this:
You mean use Active / Active (LacP), or Desirable / Desirable (PagP). Ie.:
must be the same on both sides.
Otherwise you are using Desirable (PagP) on one side & Active (LacP) on the
other side & it will not work.
That is what you meant, correct?
-Aaron
Aaron T. Woland | Consultant | INS | Email: aaron.woland@ins.com |
Website: www.ins.com
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
James Ventre
Sent: Monday, March 13, 2006 4:42 PM
To: CCIE KH49279
Cc: ccielab@groupstudy.com
Subject: Re: Best Practice - Etherchannel PAgP or LACP
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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