Clarify when we switch from keepidle to keepinvtl intervals if sending

TCP keepalive probes is enabled.

Reviewed by:	gnn
MFC After:	3 days
This commit is contained in:
Bjoern A. Zeeb 2011-01-08 00:44:17 +00:00
parent e916b99243
commit 7b2638182f

View File

@ -32,7 +32,7 @@
.\" From: @(#)tcp.4 8.1 (Berkeley) 6/5/93
.\" $FreeBSD$
.\"
.Dd September 16, 2010
.Dd January 8, 2011
.Dt TCP 4
.Os
.Sh NAME
@ -289,7 +289,9 @@ Amount of time, in milliseconds, that the connection must be idle
before keepalive probes (if enabled) are sent.
.It Va keepintvl
The interval, in milliseconds, between keepalive probes sent to remote
machines.
machines, when no response is received on a
.Va keepidle
probe.
After
.Dv TCPTV_KEEPCNT
(default 8) probes are sent, with no response, the connection is dropped.