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It appears to happened when the old 4200 was removed from the VC -----Original Message----- From: MICE Discuss [mailto:[log in to unmask]] On Behalf Of Andrew Hoyos Sent: Tuesday, October 04, 2016 3:29 PM To: [log in to unmask] Subject: Re: [MICE-DISCUSS] Maintenance Complete > On Oct 4, 2016, at 3:02 PM, Chris Wopat <[log in to unmask]> wrote: > > On 10/04/2016 02:56 PM, Jeremy Lumby wrote: >> I have completed the maintenance of moving everyone off of the old 4200, and onto the new one. Please let me know if you have any issues, I will be staying around 511 for a little while in the event that you do. I pinged each interface IP as I moved it to verify it pinged, then dropped, and then picked back up again once it was in the new switch. > > All of our peering sessions went down at about 14:45. We (AS53597) also lost *all* of our sessions, and shouldn’t have been affected by this in theory. Did something happen to the VC fabric to break it while the maintenance was happening? I mean, hold timers are 90 sec on most of these sessions. -- Andrew Hoyos [log in to unmask]