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ingress-node-replication (EVPN)



Hierarchy Level

Release Information

Statement introduced in Junos OS Release 14.1X53-D30 for QFX Series switches.

Statement introduced in Junos OS Release 17.3R1 for EX9200 switches.


Ingress replication is supported only for EVPN-VXLAN and enabled by default; no configuration is needed. EVPN A/A with VXLAN encapsulation is based on the local bias for traffic coming from the access layer (redundant Layer 2 gateway function through a pair of top-of-rack switches). Because the traffic has no MPLS label, the split-horizon filtering rule for multi-home Ethernet segment is modified to be based on the IP address of the EVPN provider edge (PE) instead of the MPLS ES-label. This is called local bias for EVPN-VXLAN. Each EVPN PE tracks the IP address of its peer multihomed EVPN PE that share the same Ethernet segment. This is the source VTEP IP address (outer SIP) for each VXLAN packet received from other EVPN PE. The local bias filtering rule is enforced on both ingress and egress PEs for the multidestination traffic. For egress traffic, there is no forwarding of any multidestination packets to the same multihomed Ethernet segment that an egress PE shares with its ingress PE regardless of the egress PE’s DF election status for that Ethernet segment. Ingress traffic is responsible for forwarding multi-destination packets coming from any directly attached access interfaces to the rest of the multi-home Ethernet segments associated with it regardless of the ingress PE’s designated forwarder election status on the connected physical device segment.

Required Privilege Level

routing—To view this statement in the configuration.

routing-control—To add this statement to the configuration.