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diff --git a/docs/configuration/system/ipv6.rst b/docs/configuration/system/ipv6.rst
index 076efdae..ee0fa341 100644
--- a/docs/configuration/system/ipv6.rst
+++ b/docs/configuration/system/ipv6.rst
@@ -39,6 +39,19 @@ can be used to filter which routes zebra will install in the kernel.
.. note:: If you choose any as the option that will cause all protocols that
are sending routes to zebra.
+Nexthop Tracking
+^^^^^^^^^^^^^^^^
+
+Nexthop tracking resolve nexthops via the default route by default. This is enabled
+by default for a traditional profile of FRR which we use. It and can be disabled if
+you do not wan't to e.g. allow BGP to peer across the default route.
+
+.. cfgcmd:: set system ipv6 nht no-resolve-via-default
+
+ Do not allow IPv6 nexthop tracking to resolve via the default route. This
+ parameter is configured per-VRF, so the command is also available in the VRF
+ subnode.
+
Operational commands
--------------------