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.spine...@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 > _______________________________________________ > juniper-nsp mailing list juniper-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/juniper-nsp > _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp