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

By Nokia · Question Mode

QuestionQ5

L2 and L3 EVPN Multi-homing

Consider the exhibit.

Question Image

Which statement about the operation of all-active multihoming is FALSE?

  • A Both Leaf1 and Leaf2 can forward BUM traffic to the host.
  • B Leaf3 can load balance traffic between Leaf1 and Leaf2 when ECMP is enabled on the MAC-VRF.
  • C The Ethernet segment on Leaf1 and Leaf2 is associated to lag 1.
  • D The host can forward BUM traffic to either Leaf1 or Leaf2.
Explanation

In an all-active EVPN Ethernet segment, exactly one designated forwarder (DF) forwards remotely received broadcast, unknown-unicast, and multicast (BUM) traffic to the multihomed device. Non-DF leafs do not forward that traffic toward the Ethernet segment, preventing duplicate BUM frames.

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