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| author | Alex Bukharov <alex@livewire.cc> | 2024-11-30 14:48:44 +1100 |
|---|---|---|
| committer | Alex Bukharov <alex@livewire.cc> | 2025-04-26 19:00:18 +1000 |
| commit | 317a44f2748cdda76207dfec1b9cbfce25074f37 (patch) | |
| tree | 84de8098bd9f1eba1bae8a00b526d6d1fc8e4877 /docs | |
| parent | aef21ce8942f2d47c6138a9b370b1c859216d5ab (diff) | |
| download | vyos-documentation-317a44f2748cdda76207dfec1b9cbfce25074f37.tar.gz vyos-documentation-317a44f2748cdda76207dfec1b9cbfce25074f37.zip | |
T6773: dhcp-server: ddns: Reflect recent configuration language changes
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/configuration/service/dhcp-server.rst | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/docs/configuration/service/dhcp-server.rst b/docs/configuration/service/dhcp-server.rst index 801eccb5..466a99bb 100644 --- a/docs/configuration/service/dhcp-server.rst +++ b/docs/configuration/service/dhcp-server.rst @@ -186,28 +186,38 @@ server with RFC-2136 DDNS support. These settings can be configured on the global level and overridden on the scope level, i.e. for individual shared networks or subnets. See examples below. -.. cfgcmd:: set service dhcp-server dynamic-dns-update force-updates +.. cfgcmd:: set service dhcp-server dynamic-dns-update send-updates [ enable + | disable ] - If set on global level, updates for all scopes will be enabled, except if - explicitly disabled on the scope level. If unset, updates will only be sent for - scopes, where ``force-updates`` is explicity enabled. + If set to ``enable`` on global level, updates for all scopes will be enabled, + except if explicitly set to ``disable`` on the scope level. If set to ``disable``, + updates will only be sent for scopes, where ``send-updates`` is explicity + set to ``enable``. -.. cfgcmd:: set service dhcp-server dynamic-dns-update force-no-update + This model is followed for a few behavioral settings below: if the option is + not set, the setting is inherited from the parent scope. You can override the + parent scope setting by setting the option explicitly. - VyOS will ignore client request to not update DNS records and send DDNS +.. cfgcmd:: set service dhcp-server dynamic-dns-update force-update [ enable + | disable ] + + VyOS will ignore client request not to update DNS records and send DDNS update requests regardless. -.. cfgcmd:: set service dhcp-server dynamic-dns-update force-client-update +.. cfgcmd:: set service dhcp-server dynamic-dns-update force-update-both [ enable + | disable ] VyOS will override client DDNS request settings and always update both forward and reverse DNS records. -.. cfgcmd:: set service dhcp-server dynamic-dns-update update-on-renew +.. cfgcmd:: set service dhcp-server dynamic-dns-update update-on-renew [ enable + | disable ] Issue DDNS update requests on DHCP lease renew. In busy networks this may generate a lot of traffic. -.. cfgcmd:: set service dhcp-server dynamic-dns-update use-conflict-resolution +.. cfgcmd:: set service dhcp-server dynamic-dns-update conflict-resolution [ enable + | disable ] Use RFC-4703 conflict resolution. This algorithm helps in situation when multiple clients reserve same IP addresses or advertise identical hostnames. @@ -295,8 +305,8 @@ Global configuration you will most likely want: .. code-block:: none - set service dhcp-server dynamic-dns-update force-updates - set service dhcp-server dynamic-dns-update use-conflict-resolution + set service dhcp-server dynamic-dns-update send-updates enable + set service dhcp-server dynamic-dns-update conflict-resolution enable Override the above configuration for a shared network NET1: |