Add statement that the -m option requires the -a option.

diff --git a/relay/dhcrelay.8 b/relay/dhcrelay.8
index eef0ece75b6f74a3b2f0a3d4020a3b4e7bc47b78..613c8883d72467665e0c8058ce98efbe1036d5e2 100644 (file)
--- a/relay/dhcrelay.8
+++ b/relay/dhcrelay.8
@@ -28,7 +28,7 @@
 .\" Support and other services are available for ISC products - see
 .\" https://www.isc.org for more information or to learn more about ISC.
 .\"
-.\" $Id: dhcrelay.8,v 1.19 2011/04/15 21:58:12 sar Exp $
+.\" $Id: dhcrelay.8,v 1.20 2012/05/14 23:17:43 sar Exp $
 .\"
 .TH dhcrelay 8
 .SH NAME
@@ -211,6 +211,8 @@ in four ways:  It may \fIappend\fR its own set of relay options to the
 packet, leaving the supplied option field intact; it may \fIreplace\fR the
 existing agent option field; it may \fIforward\fR the packet unchanged; or,
 it may \fIdiscard\fR it.
+
+To use this option you must also enable the \fB-a\fR option.
 .PP
 \fIOptions available in DHCPv6 mode only:\fR
 .TP