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[#1474] Changed I-D for RFC 8925

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Francis Dupont
2020-10-20 08:52:28 +02:00
parent 3a39cc03c3
commit d2e706af6b
1 changed files with 4 additions and 3 deletions
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7
doc/sphinx/arm/dhcp4-srv.rst
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@@ -3943,14 +3943,15 @@ IPv6-only Preferred Networks
---------------------------- ----------------------------
A `RFC8925 <https://tools.ietf.org/html/rfc8925>`_ recently published by IETF A `RFC8925 <https://tools.ietf.org/html/rfc8925>`_ recently published by IETF
specifies a DHCPv4 option to indicate that a host supports an IPv6-only mode and is willing to specifies a DHCPv4 option to indicate that a host supports an
forgo obtaining an IPv4 address if the network provides IPv6 connectivity. The general idea is that IPv6-only mode and is willing to forgot obtaining an IPv4 address if
the network provides IPv6 connectivity. The general idea is that
a network administrator can enable this option to signal to compatible dual-stack devices that the a network administrator can enable this option to signal to compatible dual-stack devices that the
IPv6 connectivity is available and they can shut down their IPv4 stack. The new option IPv6 connectivity is available and they can shut down their IPv4 stack. The new option
`v6-only-preferred` content is a 32 bit unsigned integer and specifies for how long the device `v6-only-preferred` content is a 32 bit unsigned integer and specifies for how long the device
should disable its stack for. The value is expressed in seconds. should disable its stack for. The value is expressed in seconds.
The draft mentions V6ONLY_WAIT timer. This is implemented in Kea by setting the value of The RFC mentions V6ONLY_WAIT timer. This is implemented in Kea by setting the value of
v6-only-preferred option. This follows the usual practice of setting options. You can specify the v6-only-preferred option. This follows the usual practice of setting options. You can specify the
option value on pool, subnet, shared network, global levels or even specify it in host reservations. option value on pool, subnet, shared network, global levels or even specify it in host reservations.