We have a fairly new EX4300-MP virtual chassis, running 18.4R2.7. No one in the building most days at this point. We had a switch in that chassis disappear. Power and stack cables all seated and good. Did not lose redundant power, just took a nap. Doing a "request system reboot member 2" did nothing. We had a facilities person go into the IDF, unplug the switch, and cold boot it. Switch rejoined the community. Looking at he logs, we see this error from 4 days ago:
4300VC-IDF ppmd[6710]: PPMD_PFE_SHUTDWN: PPMD: Connection Shutdown/Closed with PFE: fpc2
Anyone familiar with this type of error? Appreciate any insight.