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Routing & Switching · Advanced

EVPN Route Types

EVPN NLRI types: 1 Ethernet A-D, 2 MAC/IP Advertisement, 3 Inclusive Multicast Ethernet Tag, 4 Ethernet Segment and 5 IP Prefix.

Definition

Type 1 supports multihoming aliasing and mass withdrawal; Type 2 advertises host MAC and optional IP; Type 3 builds BUM flooding lists; Type 4 discovers Ethernet segment peers and elects the designated forwarder; Type 5 advertises IP prefixes for inter-subnet routing. Later RFCs add types 6-11 for multicast and other features.

Example

show bgp l2vpn evpn route-type 2

Exam tip

Know which type does what; Type 2 for hosts and Type 5 for prefixes are the most tested.

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