The format of DHCPv6 snooping option37 (Remote-ID) on Edgecore switch

Steven_zhang • Created at：Dec 11, 2019 13:18:30 • Updated at：Dec 11, 2019 13:18:34

Models: ECS4620 series, ECS4510 series, ECS4120 series, ECS4100 series, ECS4110 series, ECS3510-28T/52T, ES3528MV2, ES3510MA

 

According to the RFC4649, the format of the DHCPv6 Relay Agent Remote-ID option show as below:

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Enable DHCPv6 snooping remote-id option on switch, and capture a packet as example below.

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(1) Correspond to the format of the DHCPv6 Relay Agent Remote-ID option.

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(2)

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The detailed definition of remote-id value.

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(3) There are four different definition for DUID (DHCP Unique Identifier) as below, the first one is used on Edgecore switches.

  1. Link-layer address plus time (DUID-LLT) – RFC3315

  2. Vendor-assigned unique ID based on Enterprise Number (DUID-EN) – RFC3315

  3. Link-layer address (DUID-LL) – RFC3315

  4. UUID-Based DUID (DUID-UUID) – RFC6355

 

※1. Link-layer address plus time (DUID-LLT) – RFC3315

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