From 7a6cc0cf0ff081b4367c212821c7bf125bbb7427 Mon Sep 17 00:00:00 2001 From: Christian Breunig Date: Fri, 16 Feb 2024 08:51:52 +0100 Subject: T6001: add option to disable next-hop-tracking resolve-via-default --- docs/configuration/system/ip.rst | 13 +++++++++++++ docs/configuration/system/ipv6.rst | 13 +++++++++++++ 2 files changed, 26 insertions(+) (limited to 'docs/configuration/system') 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 -------------------- -- cgit v1.2.3