Juniper Config Commit causes Cisco Etherchannels to go into err-disable state
mlm at pixelgate.net
Fri Apr 6 18:59:16 UTC 2018
Sounds like the Juniper is leaking a "default" BPDU as it resets the
various internal chip configurations, which the Cisco receives thus
triggering the err-disable.
More information about the NANOG