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-rwxr-xr-xsysconfig/network-scripts/ifup-post2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysconfig/network-scripts/ifup-post b/sysconfig/network-scripts/ifup-post
index 4a3d459c..6c7d36c0 100755
--- a/sysconfig/network-scripts/ifup-post
+++ b/sysconfig/network-scripts/ifup-post
@@ -28,7 +28,7 @@ if [ -n "$NEEDHOSTNAME" -a "${DEVICE}" != lo -a "${DEVICETYPE}" != "ppp" -a "${D
eval `/bin/ipcalc --silent --hostname ${IPADDR}` && set_hostname $HOSTNAME
fi
-if [ "$PEERDNS" != no -a -n "$DNS1" ] &&
+if [ "$PEERDNS" != no -a -n "$DNS1" ] && ! grep -q "$DNS1" /etc/resolv.conf &&
tr=`mktemp /tmp/resolv.XXXXXX` ; then
# replace only the first two nameserver lines; cannot count on awk
# and do not know if sed is capable of this...