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authorChristian Breunig <christian@breunig.cc>2024-02-16 08:52:05 +0100
committerChristian Breunig <christian@breunig.cc>2024-02-16 08:52:05 +0100
commitabaf9814502b931fa81b4af9b3953880825b57f4 (patch)
tree95821590d1a2ef19eae48fad4749b86fd8a02d3e /docs/configuration/vrf/index.rst
parent7a6cc0cf0ff081b4367c212821c7bf125bbb7427 (diff)
downloadvyos-documentation-abaf9814502b931fa81b4af9b3953880825b57f4.tar.gz
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T6001: add option to disable next-hop-tracking resolve-via-default in VRF context
Diffstat (limited to 'docs/configuration/vrf/index.rst')
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diff --git a/docs/configuration/vrf/index.rst b/docs/configuration/vrf/index.rst
index bd482cd9..67eba886 100644
--- a/docs/configuration/vrf/index.rst
+++ b/docs/configuration/vrf/index.rst
@@ -67,6 +67,25 @@ 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 vrf name <name> ip nht no-resolve-via-default
+
+ Do not allow IPv4 nexthop tracking to resolve via the default route. This
+ parameter is configured per-VRF, so the command is also available in the VRF
+ subnode.
+
+.. cfgcmd:: set vrf name <name> ipv6 nht no-resolve-via-default
+
+ Do not allow IPv4 nexthop tracking to resolve via the default route. This
+ parameter is configured per-VRF, so the command is also available in the VRF
+ subnode.
+
Interfaces
----------