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-rw-r--r--doc/bgpd.texi30
1 files changed, 30 insertions, 0 deletions
diff --git a/doc/bgpd.texi b/doc/bgpd.texi
index e7463300..63834600 100644
--- a/doc/bgpd.texi
+++ b/doc/bgpd.texi
@@ -85,6 +85,7 @@ so @code{router-id} is set to 0.0.0.0. So please set router-id by hand.
@menu
* BGP distance::
* BGP decision process::
+* BGP route flap dampening::
@end menu
@node BGP distance
@@ -123,6 +124,27 @@ sequences should should be taken into account during the BGP best path
decision process.
@end deffn
+@node BGP route flap dampening
+@subsection BGP route flap dampening
+
+@deffn {BGP} {bgp dampening @var{<1-45>} @var{<1-20000>} @var{<1-20000>} @var{<1-255>}} {}
+This command enables BGP route-flap dampening and specifies dampening parameters.
+
+@table @asis
+@item @asis{half-life}
+Half-life time for the penalty
+@item @asis{reuse-threshold}
+Value to start reusing a route
+@item @asis{suppress-threshold}
+Value to start suppressing a route
+@item @asis{max-suppress}
+Maximum duration to suppress a stable route
+@end table
+
+The route-flap damping algorithm is compatible with @cite{RFC2439}. The use of this command
+is not recommended nowadays, see @uref{http://www.ripe.net/ripe/docs/ripe-378,,RIPE-378}.
+@end deffn
+
@node BGP network
@section BGP network
@@ -930,6 +952,14 @@ Clear peers which have addresses of X.X.X.X
Clear peer using soft reconfiguration.
@end deffn
+@deffn {Command} {show ip bgp dampened-paths} {}
+Display paths suppressed due to dampening
+@end deffn
+
+@deffn {Command} {show ip bgp flap-statistics} {}
+Display flap statistics of routes
+@end deffn
+
@deffn {Command} {show debug} {}
@end deffn