svn commit: r195075 - head/sbin/ipfw

Oleg Bulyzhin oleg at
Fri Jun 26 19:49:07 UTC 2009

Author: oleg
Date: Fri Jun 26 19:49:06 2009
New Revision: 195075

  - 'burst' description rewritten.
  Submitted by:	Ben Kaduk
  Approved by:	re (kib)


Modified: head/sbin/ipfw/ipfw.8
--- head/sbin/ipfw/ipfw.8	Fri Jun 26 19:39:33 2009	(r195074)
+++ head/sbin/ipfw/ipfw.8	Fri Jun 26 19:49:06 2009	(r195075)
@@ -1944,13 +1944,18 @@ the granularity to 1ms or less).
 The default value is 0, meaning no delay.
 .It Cm burst Ar size
-If the data rate exceeds the pipe bandwith limit
-(and pipe was idle long enough),
+If the data to be sent exceeds the pipe's bandwidth limit
+(and the pipe was previously idle), up to
 .Ar size
-bytes of data is allowed to bypass the
+bytes of data are allowed to bypass the
 .Nm dummynet
-scheduler (i.e. it will be sent without shaping), then transmission rate
-will not exceed pipe bandwidth. Effective burst size calculated as follows:
+scheduler, and will be sent as fast as the physical link allows.
+Any additional data will be transmitted at the rate specified
+by the
+.Nm pipe
+The burst size depends on how long the pipe has been idle;
+the effective burst size is calculated as follows:
 .Ar size

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