Connectivity Guide
Trac ow:
1
R4: Trac from source is switched to VLT LAG, through VLAN
11, and arrives at R2 which is the designated router (DR).
2 R2:
a The (S, G) entry is created.
b Trac is routed to VLAN 12, VLAN 13, and VLAN 14 for
receivers R12, R13, and R14.
c Trac is routed to ICL through VLAN 13, and switched
to ICL through VLAN 11.
3 R1: Trac oods on VLAN 13.
Source on VLT VLAN—trac forwarded to nonDR
In the following illustration, the source is in VLT VLAN (VLAN 11) and trac is forwarded to the non-designated router (R1).
674
Multicast