A network routing method for advertising MAC/IP routes with sequence numbers to prevent broadcast unknown unicast multicast (BUM) flooding in EVPN environments.

Patentradars sammanfattning

The invention relates to Ethernet VPN (EVPN) routing in multi-homed network environments where Provider Edge (PE) devices advertise MAC/IP address information with sequence number tracking. The system prevents broadcast, unknown unicast, and multicast (BUM) flooding by coordinating route advertisements across multiple PE nodes connected to the same Customer Edge (CE) device through different Ethernet Segment Identifiers (ESIs). Sequence numbering ensures ordering and deduplication of route advertisements across the network.

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