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

Andrew Miehs andrew at 2sheds.de
Sat Mar 16 20:34:45 EDT 2013


The cisco documentation recommends static as the recovery times are supposedly faster due to no negotiation. Not really sure if the downsides make up for that though.

Sent from a mobile device

On 17/03/2013, at 11:31, Joseph Hardeman <jwhardeman at gmail.com> wrote:

> 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
>> --
>> USENET is *not* the non-clickable part of WWW!
>>                                                            //www.muc.de/~gert/
>> Gert Doering - Munich, Germany                             gert at greenie.muc.de
>> fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
> 


More information about the cisco-nsp mailing list