I'm running 9.1.13, on a pair of PA-3220s in active/standby directly connected to each other and have the same problem. HA1 backup is showing down, despite being able to clearly ping the peer in both directions, on all HA ports. I've swapped out cables, rebooted both, rebooted the passive unit, rebooted the active unit, everything all have tried in this thread. No luck. I've got a TAC case open since the 8th of March, Palo support has yet to figure out a solution.
... View more