RFC 8415 / PROTOCOL MECHANISMS

Group bindings using DUID and IAID

A DHCP Unique Identifier identifies a participant; an Identity Association groups related leases under an IAID.

This guide explains the 2018 publication. Superseded by RFC 9915.

Related RFCs and changes

“Updates” changes part of an earlier RFC. “Obsoletes” replaces it. This list shows selected related documents.

RFC 8415 · § 11EXAMPLE

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Associate address or prefix bindings with that IA.

Associate address or prefix bindings with that IA.

Protocol participantThreat or exceptionProtocol controlSimplified drawings · precise section references

KEY POINT

A DUID need not equal a hardware MAC address.

A DUID need not equal a hardware MAC address.
IA_NA and IA_PD have different purposes; the IAID is interpreted with the client identity and IA type.

DETAILS

The drawing is a simplified worked example. Follow the linked RFC and its updates for implementation requirements.

Diagrams simplify the RFC. Read the linked sections for complete requirements.

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