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authorChristian Breunig <christian@breunig.cc>2024-02-16 08:51:52 +0100
committerChristian Breunig <christian@breunig.cc>2024-02-16 08:51:52 +0100
commit7a6cc0cf0ff081b4367c212821c7bf125bbb7427 (patch)
treef1165ab170a1ade6e344ac7fd47dc86cd2428887 /docs
parente50b510c0c5c980047bd77775a0c4d763aaa838b (diff)
downloadvyos-documentation-7a6cc0cf0ff081b4367c212821c7bf125bbb7427.tar.gz
vyos-documentation-7a6cc0cf0ff081b4367c212821c7bf125bbb7427.zip
T6001: add option to disable next-hop-tracking resolve-via-default
Diffstat (limited to 'docs')
-rw-r--r--docs/configuration/system/ip.rst13
-rw-r--r--docs/configuration/system/ipv6.rst13
2 files changed, 26 insertions, 0 deletions
diff --git a/docs/configuration/system/ip.rst b/docs/configuration/system/ip.rst
index 0f45b7ca..279630e2 100644
--- a/docs/configuration/system/ip.rst
+++ b/docs/configuration/system/ip.rst
@@ -43,6 +43,19 @@ 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 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.
+
Operational commands
--------------------
diff --git a/docs/configuration/system/ipv6.rst b/docs/configuration/system/ipv6.rst
index c7308f9d..d8d3c4c9 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
--------------------