An Arista MLAG peer-link recovers and one VLAN still blackholes
The peer-link is back, but one learned MAC never re-hashes to the restored path until its aging timer expires.
NetworkIntermediate
A DHCP relay works for data VLANs but not the guest VLAN
Discover packets arrive, yet the guest pool never responds because relay metadata changed how the DHCP server classified requests.
NetworkIntermediate
A DHCP relay path works on one leaf and fails on another
The relay is up, but one leaf adds metadata that changes which scope the server chooses.
NetworkIntermediate
Cross-vendor EtherChannel fails
The bundle comes up on one side only, leaving traffic hashed inconsistently, because the two platforms are not negotiating the channel mode the same way.