diff --git a/xCAT/postscripts/configeth b/xCAT/postscripts/configeth
index a71b7b293..fb34d2b1e 100755
--- a/xCAT/postscripts/configeth
+++ b/xCAT/postscripts/configeth
@@ -133,7 +133,7 @@ function configipv4(){
         fi
         str_conf_file="/etc/sysconfig/network-scripts/ifcfg-${str_if_name}"
         if [ $networkmanager_active -eq 1 ]; then
-            con_name=$(nmcli dev show ${str_if_name}|grep CONNECTION|awk -F: '{print $2}'|sed 's/^[ \t]*$//g')
+            con_name=$(nmcli -g CONNECTIONS dev show ${str_if_name}|awk -F"|" '{print $NF}'|sed 's/^[ \t]*//g')
             if [ "$con_name" == "--" ] ; then
                 nmcli con add type ethernet con-name ${str_if_name} ifname ${str_if_name} ipv4.method manual  ipv4.addresses  ${str_v4ip}/${str_prefix}
             else
@@ -624,7 +624,7 @@ elif [ "$1" = "-s" ];then
         str_inst_prefix=$(v4mask2prefix ${str_inst_mask})
         str_conf_file="/etc/sysconfig/network-scripts/ifcfg-${str_inst_nic}"
         if [ $networkmanager_active -eq 1 ]; then
-            con_name=$(nmcli dev show ${str_if_name}|grep CONNECTION|awk -F: '{print $2}'|sed 's/^[ \t]*$//g')
+            con_name=$(nmcli -g CONNECTIONS dev show ${str_if_name}|awk -F"|" '{print $NF}'|sed 's/^[ \t]*//g')
             if [ "$con_name" == "--" ] ; then
                 nmcli con add type ethernet con-name ${str_inst_nic} ifname ${str_inst_nic} ipv4.method manual ipv4.addresses  ${str_inst_ip}/${str_inst_prefix}
             else