[c-nsp] Nexus 7k Upgrade Path

[Hunter Fuller]

We were required to use long LACP timers for one upgrade. The show impact
command will tell all, in this regard.

As Mike mentioned, if an stp change occurs it will rollback the ISSU.

On Fri, Feb 23, 2018 at 21:39 Michael Lee <fwissue at gmail.com> wrote:

> Make sure use short lacp timeout, no spanning-tree change during the
> upgrade
>
> Also boot disk array status
>
> Mike
>
> Sent from my iPhone
>
> > On Feb 23, 2018, at 4:16 PM, Hunter Fuller <hf0002 at uah.edu> wrote:
> >
> > On Fri, Feb 23, 2018 at 8:06 AM Justin M. Streiner <
> streiner at cluebyfour.org>
> > wrote:
> >
> >> Vendors also sometimes conflate "ISSU" and "hitless", or their
> >> documentation doesn't always make it clear that an ISSU carries the
> >> potential of outages.
> >
> >
> > For what it is worth - there is a NX-OS command for checking whether an
> > ISSU will be hitless: "show install all impact ?" will show you what you
> > need to know.
> >
> > We don't run much Nexus stuff, but we did upgrade our Nexus 7010 from
> > version 4.something all the way to 7.2 with only ISSU. We had to do some
> > careful planning, and some ISSU did fail, but the failure and rollback
> was
> > just as hitless as the successes, and it told us what needed to be
> > corrected for the future.
> >
> > So far so good, with this strategy. I am very surprised to hear people
> > talking about their problems with the ISSU process. I could not be
> happier
> > with it.
> >
> > # show system uptime
> > System start time:          Sat Dec 20 17:54:34 2014
> > System uptime:              1161 days, 4 hours, 36 minutes, 22 seconds
> >
> > --
> >
> > --
> > Hunter Fuller
> > Network Engineer
> > VBH Annex B-5
> > +1 256 824 5331
> >
> > Office of Information Technology
> > The University of Alabama in Huntsville
> > Systems and Infrastructure
> > _______________________________________________
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>
-- 

--
Hunter Fuller
Network Engineer
VBH Annex B-5
+1 256 824 5331

Office of Information Technology
The University of Alabama in Huntsville
Systems and Infrastructure