Update documentation about --request.

diff --git a/dhcpcd.8.in b/dhcpcd.8.in
index 599387862a76f258458f9fbabfbde697eb47724b..f97dcb396826806dd6b66cb4198722dbb99c1045 100644 (file)
--- a/dhcpcd.8.in
+++ b/dhcpcd.8.in
@@ -1,4 +1,4 @@
-.\" Copyright (c) 2006-2010 Roy Marples
+.\" Copyright (c) 2006-2011 Roy Marples
 .\" All rights reserved
 .\"
 .\" Redistribution and use in source and binary forms, with or without
@@ -22,7 +22,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd August 31, 2010
+.Dd January 3, 2011
 .Dt DHCPCD 8 SMM
 .Os
 .Sh NAME
@@ -274,17 +274,10 @@ Sometimes, this isn't desirable if, for example, you have root mounted over
 NFS.
 You can use this option to stop this from happening.
 .It Fl r , -request Op Ar address
-.Nm
-normally sends a DHCP DISCOVER to find servers to offer an address.
-.Nm
-then requests the address used.
-You can use this option to skip the DISCOVER phase and just request the
-.Ar address .
-The downside is if you request an
+Request the
 .Ar address
-the DHCP server does not know about or the DHCP server is not
-authoritative, it will remain silent.
-In this situation, we go back to the init state and DISCOVER again.
+in the DHCP DISCOVER message.
+There is no guarantee this is the address the DHCP server will actual give.
 If no
 .Ar address
 is given then the first address currently assigned to the
@@ -293,7 +286,7 @@ is used.
 .It Fl s , -inform Op Ar address Ns Op Ar /cidr
 Behaves like
 .Fl r , -request
-as above, but sends a DHCP INFORM instead of a REQUEST.
+as above, but sends a DHCP INFORM instead of DISCOVER/REQUEST.
 This does not get a lease as such, just notifies the DHCP server of the
 .Ar address
 in use.