Several time related improvements:

[thirdparty/dhcp.git] / client / dhclient.conf.5

diff --git a/client/dhclient.conf.5 b/client/dhclient.conf.5
index 23000883856447741b4381429bc25f0dbd20e150..65faa42cd51ff377a03ff8166601fa81c06de2ac 100644 (file)
--- a/client/dhclient.conf.5
+++ b/client/dhclient.conf.5
@@ -1,6 +1,6 @@
-.\"    $Id: dhclient.conf.5,v 1.31 2010/09/14 23:05:39 sar Exp $
+.\"    $Id: dhclient.conf.5,v 1.32 2011/04/21 13:24:24 tomasz Exp $
 .\"
-.\" Copyright (c) 2009-2010 by Internet Systems Consortium, Inc. ("ISC")
+.\" Copyright (c) 2009-2011 by Internet Systems Consortium, Inc. ("ISC")
 .\" Copyright (c) 2004,2007 by Internet Systems Consortium, Inc. ("ISC")
 .\" Copyright (c) 1996-2003 by Internet Software Consortium
 .\"
@@ -163,6 +163,21 @@ is sent, the interval between messages is incremented by twice the
 current interval multiplied by a random number between zero and one.
 If it is greater than the backoff-cutoff amount, it is set to that
 amount.  It defaults to ten seconds.
+.PP
+.I The initial-delay
+.I statement
+.PP
+ \fBinitial-delay \fItime\fR\fB;\fR
+.PP
+.I initial-delay 
+parameter sets the maximum time client can wait after start before 
+commencing first transmission.
+According to RFC2131 Section 4.4.1, client should wait a random time between
+startup and the actual first transmission. Previous versions of ISC DHCP 
+client used to wait random time up to 5 seconds, but that was unwanted
+due to impact on startup time. As such, new versions have the default
+initial delay set to 0. To restore old behavior, please set initial-delay
+to 5.
 .SH LEASE REQUIREMENTS AND REQUESTS
 The DHCP protocol allows the client to request that the server send it
 specific information, and not send it other information that it is not