diff --git a/xCAT/postscripts/confignetwork b/xCAT/postscripts/confignetwork
index 8c9dcca90..9dec758b0 100755
--- a/xCAT/postscripts/confignetwork
+++ b/xCAT/postscripts/confignetwork
@@ -249,11 +249,22 @@ function sort_nics_device_order {
         #find nicdevice type as base_nic_type
         base_nic_dev=`echo "$nics_list" |sed -n "${num}p"|awk '{print $2}'`
         if echo "$base_nic_dev"|grep "@" >/dev/null; then
-            temp_base_nic_dev=`echo $base_nic_dev|awk -F@ '{print $1}'`
+            for i in `echo "$base_nic_dev" |sed 's/@/ /g'`
+            do
+                temp_base_nic_type=`find_nic_type "$i"`
+                if [ x"$temp_base_nic_type_one" = x ]; then
+                    temp_base_nic_type_one=$temp_base_nic_type
+                elif [ x"$temp_base_nic_type" != x"$temp_base_nic_type_one" ]; then
+                    log_error "different nic device types in $base_nic_dev."
+                    break 2
+                fi
+            done
         else
             temp_base_nic_dev=$base_nic_dev
+            temp_base_nic_type=`find_nic_type "temp_base_nic_dev"`
         fi
-        base_nic_type=`find_nic_type "$temp_base_nic_dev"`
+
+        base_nic_type=$temp_base_nic_type
         nic_dev=`echo "$nics_list" |sed -n "${num}p"|awk '{print $1}'`
         nic_dev_type=`find_nic_type "$nic_dev"`