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authorChristian Breunig <christian@breunig.cc>2024-02-16 08:51:52 +0100
committerMergify <37929162+mergify[bot]@users.noreply.github.com>2024-02-16 08:37:43 +0000
commite72e6c6e3d6e11b5aa98a77dd9eb629e74b7140e (patch)
tree82f85bc950b0936d42a4989f81f2aad2e8ce9bf0 /docs/configuration/system/ip.rst
parent1c0997cab9fe6eecb24ec686a0aae65a98150c5b (diff)
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T6001: add option to disable next-hop-tracking resolve-via-default
(cherry picked from commit 7a6cc0cf0ff081b4367c212821c7bf125bbb7427)
Diffstat (limited to 'docs/configuration/system/ip.rst')
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1 files changed, 13 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
--------------------