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Avoiding PIM Snooping on PWs Reliable Exchange of Multicast Control Messages between PEs (Eg. Using BGP) PE 1 CE-B2 CE-B3 PE 3 PE 2 PE 4 VPLS A Site 3 CE -A1 CE-B1 CE-A2 CE-A4 CE-A3 VPLS B Site 1 VPLS B Site 2 VPLS A Site 4 VPLS B Site 3 VSI-A VSI-A VSI-A VSI-B VSI-B VRF-B VPLS A Site 2 VPLS A Site 1 VSI-A RR PEs have I-BGP Peering Only With the RR C-S -> C-G PIM Join C-S, C-G – Snooped at PE1 BGP VPLS Mcast Ctrl Information Update: |