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RFC 9928 - DHCPv4 over DHCPv6 with Relay Agent Support

  • Status: Proposed Standard
  • Published: March 2026
  • Stream: IETF
  • Errata: No Errata

Abstract​

This document describes a mechanism that allows networks with legacy IPv4-only clients to use services provided by DHCPv4 over DHCPv6 in a Relay Agent. RFC 7341 specifies DHCPv4 over DHCPv6 for client-side use only. This specification extends that model by allowing a Relay Agent to encapsulate and decapsulate DHCPv4 messages in DHCPv6 messages on behalf of a DHCPv4 client.

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