[c-nsp] Nexus 7k Upgrade Path

[Michael Lee]

Sorry, memory served me wrong, should use long timeout, not short.

Sent from my iPhone

> On Feb 23, 2018, at 7:49 PM, Hunter Fuller <hf0002 at uah.edu> wrote:
> 
> 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