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

By Nokia · Question Mode

QuestionQ44

L2 and L3 EVPN Multi-homing

Leaf routers are configured to provide Layer 2 multi-homing in all-active mode.

Which statement below is FALSE?

  • A All of the sub-interfaces of the LAG must be configured in the Ethernet segment.
  • B The 2nd through 7th octets of the ESI must not be all zeros.
  • C The multi-homing mode of all-active must be configured for the Ethernet segment.
  • D The Ethernet segment must be administratively enabled.
Explanation

On SR Linux, an Ethernet segment’s multi-homing-mode defaults to all-active; therefore, all-active mode does not have to be explicitly configured. The Ethernet segment is disabled by default and must be enabled, and ESI values whose relevant leading six bytes are all zero are prohibited because they would produce a null ESI-import route target.

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