[c-nsp] VSS to vPC - vPC to Etherchannel

[Joseph Hardeman]

Hi Gert,

I was thinking about it today and it was only last year that I got this
advice from the CCIE we were working with at the time.  I should have
questioned his recommendation and kept using the mode auto like I had been
doing.

Joe

On Sat, Mar 16, 2013 at 2:36 PM, Gert Doering <gert at greenie.muc.de> wrote:

> Hi,
>
> On Sat, Mar 16, 2013 at 11:28:42AM -0400, Joseph Hardeman wrote:
> > No actually they are configured as "mode on" no LACP.  I spoke with a
> CCIE
> > a couple of years ago and he told me that use mode on from switch to
> switch
> > and lacp from switch to server so thats what I am putting in.
>
> That was years ago, and is not good advice today.  Propably wasn't good
> advice then, but that depends on "how many years ago"...
>
> With LACP you'll *know* that both ports belong to the same channel on the
> other side, and both are ready to be used, not "uh, link up, but line card
> crashed" or "this is a multichannel LAG, and one of the chassis' is just
> booting and not really participating yet", or such.
>
> gert
> --
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> Gert Doering - Munich, Germany
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> gert at net.informatik.tu-muenchen.de
>