Connectivity Guide

Trac ow:
1
R4: Trac 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 Trac is routed to VLAN 12, VLAN 13, and VLAN 14 for
receivers R12, R13, and R14.
c Trac is routed to ICL through VLAN 13, and switched
to ICL through VLAN 11.
3 R1: Trac oods on VLAN 13.
Source on VLT VLAN—trac forwarded to nonDR
In the following illustration, the source is in VLT VLAN (VLAN 11) and trac is forwarded to the non-designated router (R1).
674
Multicast