Bootstrap router or BSR is standard-based protocol available with PIMv2. The protocol performs the same function as Cisco’s proprietary Auto-RP, i.e. disseminates RP information. Both protocols use the concept of candidate RP, i.e the router that is announcing itself as a potential RP. Unlike Auto-RP, BSR does not use any dense-mode groups to flood candidate RP and RP mapping information. Instead, the information is flooded using PIM messages, on hop-by-hop basis. The flooding procedure... Read More

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