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Diffstat (limited to 'doc/sphinx/arm/dhcp4-srv.rst')
| -rw-r--r-- | doc/sphinx/arm/dhcp4-srv.rst | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/sphinx/arm/dhcp4-srv.rst b/doc/sphinx/arm/dhcp4-srv.rst index d47f55c866..3ceed35c02 100644 --- a/doc/sphinx/arm/dhcp4-srv.rst +++ b/doc/sphinx/arm/dhcp4-srv.rst @@ -3038,6 +3038,19 @@ the same option code) and to fuse the data chunks into one option. This is also supported for sub-options if each sub-option data chunk also contains the sub-option code and sub-option length. +.. _dhcp4-support-for-v6-only-preferred-option: + +Support for IPv6-Only Preferred Option +-------------------------------------- + +The ``v6-only-preferred`` (code 108) option is handled in a specific +way described in `RFC 8925 <https://tools.ietf.org/html/rfc8925>`_ +by :iscman:`kea-dhcp4` when it is configured in a subnet or a +shared network: when the client requests the option (i.e. puts +the 108 code in the DHCP parameter request list option) and +the subnet or shared network is selected the 0.0.0.0 address +is offered and the option returned in the response. + .. _dhcp4-stateless-configuration: Stateless Configuration of DHCPv4 Clients |