From a7bb261d527fb5280b91b73c730450defdfd0fb7 Mon Sep 17 00:00:00 2001
From: Bill Nottingham <notting@redhat.com>
Date: Mon, 29 Jan 2001 21:47:46 +0000
Subject: allow devices without an IP address (#24127)

---
 sysconfig/network-scripts/ifup | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'sysconfig/network-scripts')

diff --git a/sysconfig/network-scripts/ifup b/sysconfig/network-scripts/ifup
index e70eea30..d9757728 100755
--- a/sysconfig/network-scripts/ifup
+++ b/sysconfig/network-scripts/ifup
@@ -119,6 +119,12 @@ if [ -n "${DYNCONFIG}" ]; then
 	exit 1
     fi
 else 
+    if [ -z "${IPADDR}" ]; then
+         # enable device without IP, useful for e.g. PPPoE
+         ifconfig ${DEVICE} up ${MTU:+mtu $MTU}
+	 exec /etc/sysconfig/network-scripts/ifup-post ${CONFIG} ${2}
+    fi
+  
     if [ -z "${NETMASK}" ]; then
 	eval `/bin/ipcalc --netmask ${IPADDR}`
     fi
-- 
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