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RFC 8415, "Dynamic Host Configuration Protocol for IPv6 (DHCPv6)", November 2018

Source of RFC: dhc (int)

Errata ID: 6269
Status: Held for Document Update
Type: Technical
Publication Format(s) : TEXT

Reported By: Felix Hamme
Date Reported: 2020-08-30
Held for Document Update by: Eric Vyncke
Date Held: 2021-01-28

Throughout the document, when it says:

section 16:
"A server MUST discard any Solicit, Confirm, Rebind, or Information-request messages it receives with a Layer 3 unicast destination address."

section 18.2:
"If the client has a source address of sufficient scope that can be used by the server as a return address and the client has received a Server Unicast option (see Section 21.12) from the server, the client SHOULD unicast any Request, Renew, Release, and Decline messages to the server."


Appendix B does not permit a Server Unicast option in a Reconfigure message.

It should say:

section 16:
"A server MUST discard any Solicit, Confirm, or Rebind messages it receives with a Layer 3 unicast destination address."

section 18.2:
"If the client has a source address of sufficient scope that can be used by the server as a return address and the client has received a Server Unicast option (see Section 21.12) from the server, the client SHOULD unicast any Request, Renew, Release, Decline, and Information-request messages to the server."

Appendix B permits a Server Unicast option in a Reconfigure message.

Notes:

Section 18.4 allows transmission of Information-request messages with a unicast destination address, if the client received a message with Server Unicast option. (See also https://mailarchive.ietf.org/arch/msg/dhcwg/x80cmfTN8fpRViiN_RHNXes-zVg/)

-- Verifier note --
After discussions inside the DHC WG (https://mailarchive.ietf.org/arch/msg/dhcwg/oNqBzT7CSOtoV7kQNLkJfSY_73E/), it appears that there is indeed an issue but as a RFC 8415-bis is probably coming and as the errata does not seem to be a couple of sentences to add/modify, I am selecting 'hold for document update'

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