General
-On 772-4i ? DSCP preserve on LLS feature ( CIA IN - mpls-ext-dscp-preserve v4uc-enable) is working fine. Working CLI outputs are present below
-After moving to 772-6i image I see that the data path is down.
-On the peer node packet capture , I see that destination MAC is (00:00:00:00:00:00)
-Traffic drop reason : RxTrapTrillUnknownUc (flooding UC disable)
Symptom
DSCP-EXP-PRESERVE : IPoLLS SRTE data path down : DMAC 0 seen on peer node
Conditions
upgrade from 5i to 6i
Further Problem Description
Impacted Releases
07.03.04, 07.05.03., 07.05.04, 07.06.02., 07.07.02, 07.08.01 and 07.09.01
