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radvd: T6118: add nat64prefix support RFC8781

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This commit is contained in:
Christian Breunig 2024-03-17 09:20:27 +01:00
parent de7fab8728
commit 7611b9be99
1 changed files with 41 additions and 22 deletions
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63
docs/configuration/service/router-advert.rst
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@ -13,6 +13,7 @@ Supported interface types:
* bonding * bonding
* bridge * bridge
* ethernet * ethernet
* geneve
* l2tpv3 * l2tpv3
* openvpn * openvpn
* pseudo-ethernet * pseudo-ethernet
@ -22,9 +23,9 @@ Supported interface types:
* wireless * wireless
* wwan * wwan
*************
Enabling Advertisments Configuration
~~~~~~~~~~~~~~~~~~~~~~~ *************
.. cfgcmd:: set service router-advert interface <interface> ... .. cfgcmd:: set service router-advert interface <interface> ...
@ -50,7 +51,7 @@ Enabling Advertisments
Advertising a Prefix Advertising a Prefix
'''''''''''''''''''' --------------------
.. cfgcmd:: set service router-advert interface <interface> prefix <prefix/mask> .. cfgcmd:: set service router-advert interface <interface> prefix <prefix/mask>
@ -73,30 +74,48 @@ Advertising a Prefix
.. start_vyoslinter .. start_vyoslinter
Advertising a NAT64 Prefix
--------------------------
.. cfgcmd:: set service router-advert interface <interface> nat64prefix <prefix/mask>
Enable PREF64 option as outlined in :rfc:`8781`.
NAT64 prefix mask must be one of: /32, /40, /48, /56, /64 or 96.
.. note:: The well known NAT64 prefix is ``64:ff9b::/96``
.. stop_vyoslinter
.. csv-table::
:header: "VyOS Field", "Description"
:widths: 10,30
"valid-lifetime","Time in seconds that the prefix will remain valid (default: 65528 seconds)"
.. start_vyoslinter
Disabling Advertisements Disabling Advertisements
~~~~~~~~~~~~~~~~~~~~~~~~ ------------------------
To disable advertisements without deleting the configuration: To disable advertisements without deleting the configuration:
.. cfgcmd:: set service router-advert interface <interface> no-send-advert .. cfgcmd:: set service router-advert interface <interface> no-send-advert
Example Configuration
~~~~~~~~~~~~~~~~~~~~~ *******
Example
*******
Your LAN connected on eth0 uses prefix ``2001:db8:beef:2::/64`` with the router
beeing ``2001:db8:beef:2::1``
.. code-block:: none .. code-block:: none
interface eth0.2 { set interfaces ethernet eth0 address 2001:db8:beef:2::1/64
default-preference high
hop-limit 64 set service router-advert interface eth0 default-preference 'high'
interval { set service router-advert interface eth0 name-server '2001:db8::1'
max 600 set service router-advert interface eth0 name-server '2001:db8::2'
} set service router-advert interface eth0 other-config-flag
name-server 2001:db8::1 set service router-advert interface eth0 prefix 2001:db8:beef:2::/64
name-server 2001:db8::2
other-config-flag
prefix 2001:db8:beef:2::/64 {
valid-lifetime 2592000
}
reachable-time 0
retrans-timer 0
}