From: Joseph Brunner (joe@affirmedsystems.com)
Date: Mon Oct 27 2008 - 01:41:02 ARST
Are you talking about hybrid? The term "highavailability" is used mostly
with hybrid (i.e. the command set system highavailability, etc.)
If you are using hybrid, the first thing I would do is seriously convert
from hybrid to native. If you do this, search our the "edi config
translator" (not that stupid perl script tool) this is a full program that
actually works...
I used to swear by catos, as who wants a msfc failure to take down the whole
switch right?!!?!??!
Well, that was before I grew a brain and started using the ONLY solid
solution for catalyst 6500 failover-
Two sup's in one chassis, with Single router mode, with Stateful Switchover
(SSO).
Anything else and you just playing around (kind of like not having a GPS in
your car in 2008 and getting lost, right?)
I have been in many design meetings with "Braniacs" swearing that single sup
per chassis is the way to go (I love when people who don't understand
something, in this case SSO, make excuses why you should not use it, etc.)
So take my advise, my experience, and my countless "girl free" weekends
spent wasted in financial company's datacenters cleaning Other people's
mistakes....
Why do I like SSO so much, well I have pulled a sup in the middle of the day
to prove how good it is, and I didn't lose my job... (and nobody found out).
Case closed...
;)
-Joe
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Han
Solo
Sent: Sunday, October 26, 2008 11:01 PM
To: ccielab@groupstudy.com
Subject: Cat6500 HighAvailability Question
Curious on number of netadmins out there are running there cat6500's ,
With sup2 or above in there Core or Aggregation layers with dual or
single Supervisors , we have a few with dual Sup720's and are running
into numerous partial failovers where the active sup fails such as
forwarding is impacted , but yet not failed enough such that the
standby steps in. Curious how others view this design decision.
Blogs and organic groups at http://www.ccie.net
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