Multicast over SPB Redistribution

Multicast over Shortest Path Bridging (SPB) redistribution manages filtering of the IP multicast streams that the system transports from one area to another. The IP multicast services pass through to the other area on the boundary node depending on the policy that you configure specific to the sender IP address, the multicast group IP address and the Virtual Router Forwarding (VRF) ID.

Multicast over SPB policy is a unidirectional solution, the system filters the IP multicast streams from the area that they originate to the other area or vice versa, independently. Each IP multicast stream that the system advertises in one area will also be advertised on the corresponding area virtual node after it passes the multicast over SPB policy.

Following are the configuration guidelines for the multicast over SPB redistribution:

• Enable multicast on the boundary nodes.
• For layer 3 VSNs, configure Multicast Virtual Private Network (MVPN) on the boundary nodes.
• For layer 2 multicast, the scope I-SID must pass the layer 2 VSN policy.
• Configure the same policies as on the designated boundary node on the peer boundary nodes.

For information about configuring Multi-area SPB multicast redistribution, see:

• Configure Multi-area SPB IPv4 Routed Multicast Redistribution
• Configure IS-IS Multi-area SPB IPv4 Routed Multicast Redistribution on a VRF Instance