Patent ID: 11870605
Assignee: ARISTA NETWORKS, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method for forwarding multicast traffic in a network, said network comprising a first provider edge (PE) device, a second PE device and a third PE device, wherein protocol independent multicast (PIM) is enabled on supplemental bridge domain (SBD) logical interfaces of the first PE device, the second PE device, and the third PE device, and wherein the first PE device, the second PE device, and the third PE device communicate with each other and with a receiver using a PIM protocol through an Ethernet virtual private network (EVPN), the method comprising:
the second PE device receiving a SMET message from the first PE device, wherein the SMET message is converted from a PIM join message by the first PE device,
wherein the second PE device and the third PE device are configured to forward multicast data packets from a source in a first customer network to the receiver in a second customer network;
the second PE device detecting duplicate traffic when the third PE device is forwarding the multicast data packets;
upon the second PE device determining the third PE device is an assert winner from among the second PE device and the third PE device based on at least one PIM assert message, the third PE device is configured to continue to forward the multicast data packets;
the second PE device ceasing to forward the multicast data packets based on the determining;
detecting the third PE device stopped forwarding the multicast data packets based on PIM hello messages;
determining the second PE device is a next assert winner; and
the second PE device resuming forwarding the multicast data packets based on the determining the second PE device is the next assert winner.