diff --git a/xCAT-server/share/xcat/netboot/rh/dracut/xcatroot b/xCAT-server/share/xcat/netboot/rh/dracut/xcatroot
index 72a1f4ba9..e18f532a5 100755
--- a/xCAT-server/share/xcat/netboot/rh/dracut/xcatroot
+++ b/xCAT-server/share/xcat/netboot/rh/dracut/xcatroot
@@ -236,7 +236,8 @@ if [ -z $STATEMNT ]; then
     MACX=`ip link show $netdev | grep ether | awk '{print $2}'`
   elif [ ! -z "$BOOTIF" ]; then
     MACX=$BOOTIF
-    ETHX=`ifconfig |grep -i $BOOTIF | awk '{print $1}'`
+    #ETHX=`ifconfig |grep -i $BOOTIF | awk '{print $1}'`
+    ETHX=` ip  -oneline link show |grep -i $BOOTIF|awk -F ':' '{print $2}'|grep -o "[^ ]\+\( \+[^ ]\+\)*"`
   fi
 
   if [ ! -z "$MACX" ] && [ ! -z "$ETHX" ]; then
diff --git a/xCAT-server/share/xcat/netboot/rh/genimage b/xCAT-server/share/xcat/netboot/rh/genimage
index ce7baeb96..8c4ced961 100755
--- a/xCAT-server/share/xcat/netboot/rh/genimage
+++ b/xCAT-server/share/xcat/netboot/rh/genimage
@@ -1154,7 +1154,8 @@ for i in `cat /proc/cmdline`; do
         NETDEV=`echo \$i |awk -F= '{print \$2}'`
     elif [ "\$KEY" == 'BOOTIF' ]; then
         VALUE=`echo \$i |awk -F= '{print \$2}'|sed -e s/^01-// -e s/-/:/g`
-        BOOTIF=`ifconfig -a|grep -i "hwaddr \$VALUE"|awk '{print \$1}'`
+        #BOOTIF=`ifconfig -a|grep -i "hwaddr \$VALUE"|awk '{print \$1}'`
+        BOOTIF=\`ip  -oneline link show |grep -i \$VALUE|awk -F ':' '{print \$2}'|grep -o \"[^ ]\+\( \+[^ ]\+\)*\"\`
     elif [ "\$KEY" == 'XCAT' ]; then
         VALUE=`echo \$i |awk -F= '{print \$2}'`
         # format: XCAT=xcatmaster:3001
diff --git a/xCAT-server/share/xcat/netboot/ubuntu/dracut/xcatroot b/xCAT-server/share/xcat/netboot/ubuntu/dracut/xcatroot
index b02abe09f..894a86a1c 100755
--- a/xCAT-server/share/xcat/netboot/ubuntu/dracut/xcatroot
+++ b/xCAT-server/share/xcat/netboot/ubuntu/dracut/xcatroot
@@ -166,7 +166,8 @@ if [ -z $STATEMNT ]; then
     MACX=`ip link show $netdev | grep ether | awk '{print $2}'`
   elif [ ! -z "$BOOTIF" ]; then
     MACX=$BOOTIF
-    ETHX=`ifconfig |grep -i $BOOTIF | awk '{print $1}'`
+    #ETHX=`ifconfig |grep -i $BOOTIF | awk '{print $1}'`
+    ETHX=` ip  -oneline link show |grep -i $BOOTIF|awk -F ':' '{print $2}'|grep -o "[^ ]\+\( \+[^ ]\+\)*"`
   fi
 
   if [ ! -z "$MACX" ] && [ ! -z "$ETHX" ]; then
diff --git a/xCAT-server/share/xcat/scripts/genduiduuid.sh b/xCAT-server/share/xcat/scripts/genduiduuid.sh
index 1cfa20dfa..e9bf49317 100644
--- a/xCAT-server/share/xcat/scripts/genduiduuid.sh
+++ b/xCAT-server/share/xcat/scripts/genduiduuid.sh
@@ -13,7 +13,8 @@ if [ -r /sys/devices/virtual/dmi/id/product_uuid ]; then
         duid=$duid$octnum
     done
     duid=$duid'";'
-    for interface in `ifconfig -a|grep HWaddr|awk '{print $1}'`; do
+    #for interface in `ifconfig -a|grep HWaddr|awk '{print $1}'`; do
+    for interface in `ip -4 -oneline link show|grep -i ether |awk -F ":" '{print $2}'| grep -o "[^ ]\+\( \+[^ ]\+\)*"`; do
         echo $duid > /var/lib/dhclient/dhclient6-$interface.leases
     done
     echo $duid  > /var/lib/dhclient/dhclient6.leases
diff --git a/xCAT-server/share/xcat/scripts/genula.sh b/xCAT-server/share/xcat/scripts/genula.sh
index 74103ab57..ac8220d77 100644
--- a/xCAT-server/share/xcat/scripts/genula.sh
+++ b/xCAT-server/share/xcat/scripts/genula.sh
@@ -20,7 +20,8 @@ TIMESTAMP=$(printf "%08X:%08X" $SECONDS $NTPTICKS)
 
 #next, get a mac address and convert to eui64
 EUIPAD="FF:FE"
-MAC=$(/sbin/ifconfig|grep HWaddr|grep -v usb|grep -v 00:00:00:00:00:00|head -n 1|awk '{print $NF}')
+#MAC=$(/sbin/ifconfig|grep HWaddr|grep -v usb|grep -v 00:00:00:00:00:00|head -n 1|awk '{print $NF}')
+MAC=$(ip -oneline link show|grep  -v usb|grep -v 00:00:00:00:00:00|head -n 1|sed -ne "s/.*link\/ether //p"|awk -F ' ' '{print $1}')
 FIRSTBYTE=${MAC%%:*}
 FIRSTBYTE=$(printf %02X $((0x$FIRSTBYTE|2)))
 OTHERMANUF=${MAC%%:??:??:??}
diff --git a/xCAT-server/share/xcat/scripts/xHRM b/xCAT-server/share/xcat/scripts/xHRM
index 470893c00..d184130b4 100755
--- a/xCAT-server/share/xcat/scripts/xHRM
+++ b/xCAT-server/share/xcat/scripts/xHRM
@@ -7,13 +7,15 @@ function get_def_interface {
     #we are, however, presuming ipv4 for the moment
     retval=$(ping -c 1 `hostname`|head -n 1|cut -d\( -f 2|cut -d\) -f 1)
     if [ -z "$retval" -o "127.0.0.1" = "$retval" ]; then #ok, that didn't pan out, now we grab the first address that looks sane
-        retval=`ifconfig|grep inet" " |grep -v addr:127.0.0.1|grep -v 'addr:169.254'|head -n 1|cut -d: -f 2|cut -d' ' -f 1`
+        #retval=`ifconfig|grep inet" " |grep -v addr:127.0.0.1|grep -v 'addr:169.254'|head -n 1|cut -d: -f 2|cut -d' ' -f 1`
+        retval=`ip -4 -oneline addr show|grep -v "127.0.0.1"|grep -v '169.254'|head -n 1|awk -F 'inet ' '{print $2}'|awk -F '/' '{print $1}'`
     fi
     if [ -z "$retval" ]; then 
         echo "ERROR: Unable to reasonably guess the 'default' interface" >&2
         exit 1
     fi
-    iface=`ifconfig|grep -v inet6|egrep '(Link|inet)'|grep -B1 'addr:'$retval |head -n 1|awk '{print $1}'`
+    #iface=`ifconfig|grep -v inet6|egrep '(Link|inet)'|grep -B1 'addr:'$retval |head -n 1|awk '{print $1}'`
+    iface=`ip -4 -oneline addr show|grep -i $retval|awk -F ':' '{print $2}'|awk -F ' ' '{print $1}'|grep -o "[^ ]\+\( \+[^ ]\+\)*"`
     if [ -z "$iface" ]; then
         echo "ERROR: Unable to reasonably guess the default interface" >&2
         exit 1
@@ -118,7 +120,8 @@ elif [ "bridgeprereq" = "$1" ]; then
     # get the port for installation
     if [ -n "$INSTALLNIC" ]; then
         if [[ "$INSTALLNIC" = mac ]] || [[ "$INSTALLNIC" = MAC ]]; then
-            INSPORT=`ifconfig -a|grep -v inet6| grep -i 'HWaddr '$MACADDRESS|head -n 1|awk '{print $1}'`
+            #INSPORT=`ifconfig -a|grep -v inet6| grep -i 'HWaddr '$MACADDRESS|head -n 1|awk '{print $1}'`
+            INSPORT=`ip -oneline link show|grep -i ether|grep -i $MACADDRESS|awk -F ':' '{print $2}'|grep -o "[^ ]\+\( \+[^ ]\+\)*"`
         else
             INSPORT=$INSTALLNIC
         fi