[j-nsp] upgrading a ex4550 VC to 15R1.8 using non-stop-upgrade

[Catalin Dominte]

Had the same issue from 12.3 to 12.6 on a EX4200 stack.

AE interfaces went down for both members during each linecard upgrade.

Cat
On 23 Sep 2015 1:49 pm, "Simone Spinelli" <simone.spinelli at gmail.com> wrote:

> Hi all,
>
> few days ago we upgraded a 6 members VC of ex4550 from 12.3R6 to 15R1.8.
> using nssu precedure.
> We have linjux boxes connected with LACP on different member.
> We checked all the requirement listed on:
>
> http://www.juniper.net/techpubs/en_US/junos14.2/topics/task/installation/ex-series-software-upgrading-nssu-fixed-virtual-chassis-cli.html
>
> After we started the upgrade , all the LACP links  went down (one by one
> depending on the upgraded member), even if linecards were up and running
> and connected to the VC.
> In the end, everything went back to normal when the master RE came up.
> Actually a member was still stuck with all the LACP ports in "detached"
> state: after a manual reboot, it went ok.
>
> Did anybody have a similar issue?
> Any suggestion for investigation?
>
> Thank you
>
> Simone
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