added origin

[rrq/rrqnet.git] / rrqnet.8.adoc

diff --git a/rrqnet.8.adoc b/rrqnet.8.adoc
index ccc35c10107b982bc6d9ab8cdc70e5a4a98e8f8a..e6ed66870223bcba67dc2e2dffebe7fc70bdf006 100644 (file)
--- a/rrqnet.8.adoc
+++ b/rrqnet.8.adoc
@@ -25,7 +25,7 @@ OPTIONS
 
 Note that any options must be given or omitted in the fixed order:
 
-  [-v] [-tpg] [-4] [-B n] [-T n] [-m mcast] [-t tap] [-S source]
+  [-v] [-tpg] [-4] [-B n] [-T n] [-H r] [-m mcast] [-t tap] [-S source]
 
 *-v*::
 
@@ -60,6 +60,13 @@ where it immediately puts received packets into the buffer queue which
 is serviced by the dispatch threads for optional decryption, dispatch
 decision, optional encryption and delivery.
 
+*-H* _r_::
+
+This sets the number of seconds *rrqnet* should wait between "heart
+beat" messages to uplinks. The default is 30. This is used to hold the
+uplink open for return traffic through NAT routers. Set to 0 to
+disable the heartbeat messages.
+
 *-m* _mcast_::
 
 This tells *rrqnet* to open an ipv4 UDP multicast channel as an