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Update dhcp-server.rst #1716

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e6edaba
Update dhcp-server.rst
systeembeheerder Nov 27, 2025
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Update dhcp-server.rst
systeembeheerder Nov 27, 2025
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12 changes: 11 additions & 1 deletion docs/configuration/service/dhcp-server.rst
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Expand Up @@ -678,10 +678,11 @@ Configuration
Prefix Delegation
-----------------

.. note:: VyOS =< 1.4.3 does not add the prefixes to the routing table.

To hand out individual prefixes to your clients the following configuration is
used:


.. cfgcmd:: set service dhcpv6-server shared-network-name <name> subnet
<prefix> prefix-delegation start <address> prefix-length <length>

Expand All @@ -693,6 +694,15 @@ used:

Delegate prefixes from the range indicated by the start and stop qualifier.

**Example:**

To delegate /64's from a bigger /56

.. code-block:: none

set service dhcpv6-server shared-network-name MYNET subnet 2001:0db8:0:1::/64 prefix-delegation start 2001:0db8:1:: prefix-length '64'
set service dhcpv6-server shared-network-name MYNET subnet 2001:0db8:0:1::/64 prefix-delegation start 2001:0db8:1:: stop '2001:0db8:1:ff::'

Address pools
-------------

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