Improve hairpin mode description

Mention VEPA and reflective relay.

Signed-off-by: Bastien Roucariès <rouca@debian.org>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

diff --git a/man/man8/bridge.8 b/man/man8/bridge.8
index ff6f6f3770ee8d802b45eb7e3757bc9029473a3d..584324b547439444ce794b5954033b60b445e5ca 100644 (file)
--- a/man/man8/bridge.8
+++ b/man/man8/bridge.8
@@ -332,7 +332,9 @@ cause the port to stop processing STP BPDUs.
 .TP
 .BR "hairpin on " or " hairpin off "
 Controls whether traffic may be send back out of the port on which it was
-received. By default, this flag is turned off and the bridge will not forward
+received. This option is also called reflective relay mode, and is used to support
+basic VEPA (Virtual Ethernet Port Aggregator) capabilities.
+By default, this flag is turned off and the bridge will not forward
 traffic back out of the receiving port.
 
 .TP