From owner-freebsd-current  Mon Aug 12  1:40:30 2002
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Subject: rcNG and dhcp
From: "Vladimir B. " Grebenschikov <vova@sw.ru>
To: "current@freebsd.org" <current@freebsd.org>
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Date: 12 Aug 2002 12:40:20 +0400
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Hi 

There is patch to teach rcNG do not try dhcp on not-connected ethernet.

simply put
ifconfig_fxp0="dhcp-if-carrier"
into rc.conf

It will be interested to somebody

Theoretically there are another solution for problem - add new key to
dhclient - check interface media before broadcasting.

-- 
Vladimir B. Grebenschikov
vova@sw.ru, SWsoft, Inc.

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--- /usr/local/src/etc/rc.d/network1	Mon Jul 29 15:09:46 2002
+++ /etc/rc.d/network1	Mon Aug 12 11:43:03 2002
@@ -157,6 +157,17 @@
 		case ${ifconfig_args} in
 		'')
 			;;
+		[Dd][Hh][Cc][Pp]-[Ii][Ff]-[Cc][Aa][Rr][Rr][Ii][Ee][Rr])
+			# Load interface .ko if need
+			ifconfig $ifn > /dev/null 2>&1
+			sleep 3=20
+			# Check media option of interface
+			media=3D`ifconfig $ifn | awk '($1 =3D=3D "media:") { ok=3D1; print $4; =
} END { if (ok !=3D 1) { print "(none)"; } }' 2> /dev/null`
+			if [ "$media" !=3D "(none)" ]; then
+				dhcp_interfaces=3D"$dhcp_interfaces $ifn"
+				eval showstat_$ifn=3D1
+			fi
+			;;
 		[Dd][Hh][Cc][Pp])
 			# DHCP inits are done all in one go below
 			dhcp_interfaces=3D"$dhcp_interfaces $ifn"

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