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T6001: add option to disable next-hop-tracking resolve-via-default in VRF context

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(cherry picked from commit abaf9814502b931fa81b4af9b3953880825b57f4)
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Christian Breunig 2024-02-16 08:52:05 +01:00 committed by Mergify
parent e72e6c6e3d
commit d96b22b46f
1 changed files with 19 additions and 0 deletions
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docs/configuration/vrf/index.rst
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@ -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
----------