Symptom
non MPLS traffic transit trough C9500H when hit a ingress port with a policy map that has the marking command
set mpls experimental imposition
the traffic will leave the switch with L2 COS changed.
Conditions
ingress traffic non MPLS and policy map pushing the command set mpls experimental imposition
Further Problem Description
from config guides the no MPLS traffic should not be affected by the command set mpls experimental imposition
The set mpls experimental imposition command works only on packets that have new or additional MPLS labels added to them
