From d864f2b43f6444b2668e42ed277f0fddd20cebf7 Mon Sep 17 00:00:00 2001 From: Donald Sharp Date: Thu, 1 Aug 2019 12:53:15 -0400 Subject: [PATCH] doc: Add warning to doc about v6 ecmp route deletion Add a warning to the user documentation about v6 ecmp route deletion and what version of the linux kernel that you should be using. Signed-off-by: Donald Sharp --- doc/user/overview.rst | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/doc/user/overview.rst b/doc/user/overview.rst index 7f8ea392dc..94a93cb5bb 100644 --- a/doc/user/overview.rst +++ b/doc/user/overview.rst @@ -239,6 +239,13 @@ The indicators have the following semantics: * :mark:`CP` - control plane only (i.e. BGP route server / route reflector) * :mark:`N` - daemon/feature not supported by operating system +.. Known Kernel Issues: + +- Linux + v6 Route Replacement - Linux kernels before 4.11 can cause issues with v6 route deletion when you + have ecmp routes installed into the kernel. This especially becomes apparent if the route is being + transformed from one ecmp path to another. + .. _supported-rfcs: Supported RFCs