Going from SRD6 to SRE6 on a 7600 caused changing the multicast replication mode from egress to ingress.
It seems that in SRD6 the supervisor - which is a SUP720 - automatically detected the replication mode based on the module types installed in the system - and set the replication mode to egress.
After going to SRE6, we noticed that a new command appeared in config:
mls ip multicast replication-mode ingress
and because of this the replication mode is now ingress even all the modules are egress capable:
#show platform software multicast ip capability
Current System HW Replication Mode : Ingress
Auto-detection of Replication Mode : OFF
Slot Replication-Capability Replication-Mode
1 Egress Ingress
2 Egress Ingress
3 Egress Ingress
4 Egress Ingress
5 Egress Ingress
9 Egress Ingress
SRD6:
!
ip multicast-routing
ip multicast multipath s-g-hash next-hop-based
SRE6:
!
ip multicast-routing
mls ip multicast replication-mode ingress
ip multicast multipath s-g-hash next-hop-based
Did someone else notice this (strange?) behavior?
