4A0-D03: Nokia SR Linux EVPN and Data Center InterconnectDemo

By Nokia · Question Mode

QuestionQ33

Layer 2 EVPN

When PEs connect to an Ethernet segment that has at least one active MAC-VRF, which statement about the AD per-EVI updates a PE sends is FALSE?

  • A It contains the VNI information that is to be used in the data plane.
  • B It contains the multi-homing type used for the Ethernet segment.
  • C It contains the route-target so that the update can be imported into the correct MAC-VRF instance.
  • D A PE will advertise one AD per EVI update for each MAC-VRF associated to the Ethernet segment.
Explanation

An AD per-EVI route is a service-level EVPN route that advertises a PE’s association with a given Ethernet Segment and MAC-VRF/EVI. It uses the MAC-VRF’s route target and data-plane VNI/label information, and one route is advertised for each MAC-VRF associated with the Ethernet Segment. The Ethernet Segment’s multi-homing mode is maintained as Ethernet-Segment-level configuration and state rather than being carried by the AD per-EVI update.

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