diff --git a/xCAT-server/share/xcat/install/scripts/post.rh b/xCAT-server/share/xcat/install/scripts/post.rh
index 269fe8fa1..3c86c4b3a 100644
--- a/xCAT-server/share/xcat/install/scripts/post.rh
+++ b/xCAT-server/share/xcat/install/scripts/post.rh
@@ -3,6 +3,10 @@
 #
 echo "post scripts" >/root/post.log
 export PRINIC=#TABLE:noderes:THISNODE:primarynic#
+if [ "$PRINIC" == "mac"]
+then
+    export PRINIC=#TABLE:mac:THISNODE:mac#
+fi
 if [ -z "$PRINIC" ]
 then
     export PRINIC=eth0
diff --git a/xCAT-server/share/xcat/install/scripts/post.sles b/xCAT-server/share/xcat/install/scripts/post.sles
index 110eca9b5..f78028822 100644
--- a/xCAT-server/share/xcat/install/scripts/post.sles
+++ b/xCAT-server/share/xcat/install/scripts/post.sles
@@ -17,6 +17,10 @@ STARTMODE=onboot
 EOF
 
 export PRINIC=#TABLE:noderes:$NODE:primarynic#
+if [ "$PRINIC" == "mac"]
+then
+    export PRINIC=#TABLE:mac:$NODE:mac#
+fi
 if [ -z "$PRINIC" ]; then
     export PRINIC=eth0
 elif [[ `echo "$PRINIC" | grep -sqE ^[A-Fa-f0-9]+:[A-Fa-f0-9]+:[A-Fa-f0-9]+:[A-Fa-f0-9]+:[A-Fa-f0-9]+:[A-Fa-f0-9]+$ ;echo $?` == "0" ]]; then
diff --git a/xCAT-server/share/xcat/install/scripts/post.sles11 b/xCAT-server/share/xcat/install/scripts/post.sles11
index 0c45e463d..b52c7f0c8 100644
--- a/xCAT-server/share/xcat/install/scripts/post.sles11
+++ b/xCAT-server/share/xcat/install/scripts/post.sles11
@@ -17,6 +17,10 @@ STARTMODE=onboot
 EOF
 
 export PRINIC=#TABLE:noderes:$NODE:primarynic#
+if [ "$PRINIC" == "mac"]
+then
+    export PRINIC=#TABLE:mac:$NODE:mac#
+fi
 if [ -z "$PRINIC" ]; then
     export PRINIC=eth0
 elif [[ `echo "$PRINIC" | grep -sqE ^[A-Fa-f0-9]+:[A-Fa-f0-9]+:[A-Fa-f0-9]+:[A-Fa-f0-9]+:[A-Fa-f0-9]+:[A-Fa-f0-9]+$ ;echo $?` == "0" ]]; then