doc: Append documentation for `bgp dampening` command

Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>

diff --git a/doc/user/bgp.rst b/doc/user/bgp.rst
index 616196bced18e00900aa4ee2f91437951b43cfb7..5ff73bba7f1f7abe29bac7135ff24b97904ecbe2 100644 (file)
--- a/doc/user/bgp.rst
+++ b/doc/user/bgp.rst
@@ -402,6 +402,9 @@ Route Flap Dampening
    The route-flap damping algorithm is compatible with :rfc:`2439`. The use of
    this command is not recommended nowadays.
 
+   At the moment, route-flap dampening is not working per VRF and is working only
+   for IPv4 unicast and multicast.
+
 .. seealso::
    https://www.ripe.net/publications/docs/ripe-378