From f4ff5c957f22d8fbbe27b6dadd8f1c6e029a956d Mon Sep 17 00:00:00 2001
From: Erik Troan <ewt@redhat.com>
Date: Tue, 10 Mar 1998 15:09:33 +0000
Subject: use ipcalc to calculate netmask and/or broadcast address

---
 sysconfig/network-scripts/ifup | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'sysconfig/network-scripts/ifup')

diff --git a/sysconfig/network-scripts/ifup b/sysconfig/network-scripts/ifup
index 3f791533..672f803c 100755
--- a/sysconfig/network-scripts/ifup
+++ b/sysconfig/network-scripts/ifup
@@ -113,6 +113,14 @@ elif [ "$BOOTPROTO" = dhcp -a "$ISALIAS" = no ]; then
 fi
 
 if [ "$IPSETUP" != yes ]; then
+    if [ -z "$BROADCAST" ]; then
+	eval `/sbin/ipcalc --broadcast ${IPADDR} ${NETMASK}`
+    fi
+
+    if [ -z "$NETMASK" ]; then
+	eval `/sbin/ipcalc --netmask ${IPADDR} ${NETMASK}`
+    fi
+
     ifconfig ${DEVICE} ${MACADDR:+hw ether $MACADDR} ${IPADDR} \
       netmask ${NETMASK} broadcast ${BROADCAST}
     if [ "$ISALIAS" = no ] ; then
-- 
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