diff --git a/xCAT/postscripts/configeth b/xCAT/postscripts/configeth
index 80e2e5d56..98807699e 100755
--- a/xCAT/postscripts/configeth
+++ b/xCAT/postscripts/configeth
@@ -31,6 +31,12 @@ networkmanager_active=0
 checkservicestatus NetworkManager > /dev/null
 if [ $? -eq 0 ]; then
     networkmanager_active=1
+else
+    #In RH8 postscripts stage, NetworkManager is active but nmcli cannot modify NIC configure file
+    ps -ef|grep -v grep|grep NetworkManager >/dev/null 2>/dev/null
+    if [ $? -eq 0 ]; then
+        networkmanager_active=2
+    fi
 fi
 str_conf_file=""
 str_conf_file_xcatbak=""
@@ -40,7 +46,7 @@ function configipv4(){
     str_v4ip=$2
     str_v4net=$3
     str_v4mask=$4
-    num_v4num=$5
+    num_v4num=$5 #If NIC has multiple IPs, the ordinal number of IP is num_v4num
     str_extra_params=$6
     str_nic_mtu=$7
 
@@ -131,18 +137,45 @@ function configipv4(){
         # Write the info to the ifcfg file for redhat
         con_name="xcat-"${str_if_name}
         str_conf_file=""
-        if [ $num_v4num -ne 0 ]; then
-            str_if_name=${str_if_name}:${num_v4num}
-        fi
-        str_conf_file="/etc/sysconfig/network-scripts/ifcfg-${str_if_name}"
         if [ $networkmanager_active -eq 1 ]; then
-            is_nmcli_connection_exist $con_name
-            if [ $? -eq 0 ]; then
-                tmp_con_name=$con_name"-tmp"
-                nmcli con modify $con_name connection.id $tmp_con_name
+            if [ $num_v4num -eq 0 ]; then
+                is_nmcli_connection_exist $con_name
+                if [ $? -eq 0 ]; then
+                    tmp_con_name=$con_name"-tmp"
+                    nmcli con modify $con_name connection.id $tmp_con_name
+                fi
+                nmcli con add type ethernet con-name $con_name ifname ${str_if_name} ipv4.method manual  ipv4.addresses  ${str_v4ip}/${str_prefix} connection.autoconnect-priority 9
+            else
+                nmcli con modify $con_name +ipv4.addresses ${str_v4ip}/${str_prefix}
             fi
-            nmcli con add type ethernet con-name $con_name ifname ${str_if_name} ipv4.method manual  ipv4.addresses  ${str_v4ip}/${str_prefix} connection.autoconnect-priority 9
+            str_conf_file="/etc/sysconfig/network-scripts/ifcfg-xcat-${str_if_name}"
+            str_conf_file_1="/etc/sysconfig/network-scripts/ifcfg-xcat-${str_if_name}-1"
+            if [ -f $str_conf_file_1 ]; then
+                grep -x "NAME=$con_name" $str_conf_file_1 >/dev/null 2>/dev/null
+                if [ $? -eq 0 ]; then
+                    str_conf_file=$str_conf_file_1
+                fi
+            fi
+        elif [ $networkmanager_active -eq 2 ]; then
+            str_conf_file="/etc/sysconfig/network-scripts/ifcfg-xcat-${str_if_name}"
+            if [ $num_v4num -eq 0 ]; then
+                echo "DEVICE=${str_if_name}" > $str_conf_file
+                echo "BOOTPROTO=none" >> $str_conf_file
+                echo "IPADDR=${str_v4ip}" >> $str_conf_file
+                echo "NETMASK=${str_v4mask}" >> $str_conf_file
+                echo "NAME=xcat-${str_if_name}" >> $str_conf_file 
+                echo "ONBOOT=yes" >> $str_conf_file
+                echo "AUTOCONNECT_PRIORITY=9" >> $str_conf_file
+            else
+                echo "IPADDR$num_v4num=${str_v4ip}" >> $str_conf_file
+                echo "NETMASK$num_v4num=${str_v4mask}" >> $str_conf_file 
+            fi  
         else
+            #If using network service, the NIC alias device format is <NIC>:<num_v4num> like eth0:1
+            if [ $num_v4num -ne 0 ]; then
+                str_if_name=${str_if_name}:${num_v4num}
+            fi
+            str_conf_file="/etc/sysconfig/network-scripts/ifcfg-${str_if_name}"
             echo "DEVICE=${str_if_name}" > $str_conf_file
             echo "BOOTPROTO=none" >> $str_conf_file
             echo "NM_CONTROLLED=no" >> $str_conf_file
@@ -152,26 +185,23 @@ function configipv4(){
         fi
         if [ "$str_nic_mtu" != "$str_default_token" ]; then
             if [ $networkmanager_active -eq 1 ]; then
-		nmcli con modify $con_name mtu $str_nic_mtu
+                nmcli con modify $con_name mtu $str_nic_mtu
             else
                 echo "MTU=${str_nic_mtu}" >> $str_conf_file
-	    fi
+            fi
         fi
-
         if [[ ${str_if_name} == [a-zA-Z0-9]*.[0-9]* ]]; then
             echo "VLAN=yes" >> $str_conf_file
         fi
-
-		#add extra params
-		i=0
-		while [ $i -lt ${#array_extra_param_names[@]} ]
-		do
-			name="${array_extra_param_names[$i]}"
-			value="${array_extra_param_values[$i]}"
-            echo "  $i: name=$name value=$value"
-			echo "${name}=${value}" >> $str_conf_file
-			i=$((i+1))
-		done		
+        #add extra params
+        i=0
+        while [ $i -lt ${#array_extra_param_names[@]} ]
+        do
+            name="${array_extra_param_names[$i]}"
+            value="${array_extra_param_values[$i]}"
+            echo "${name}=${value}" >> $str_conf_file 
+    	    i=$((i+1))
+        done
     fi
 }
 
@@ -341,7 +371,7 @@ function add_ip_temporary(){
         else
             str_label=''
             ip addr show dev $str_temp_name | grep inet | grep "global" | grep -v ':' | grep "${str_temp_name}"
-            if [ $? -eq 0 ];then
+            if [ $? -eq 0 ] && [ $networkmanager_active -eq 0 ]; then
                 for num_i in {1..1000}
                 do
                     ip addr show dev $str_temp_name | grep inet | grep "global" | grep ":${num_i}"
@@ -630,6 +660,9 @@ elif [ "$1" = "-s" ];then
         con_name="xcat-install-"${str_inst_nic}
         str_inst_prefix=$(v4mask2prefix ${str_inst_mask})
         str_conf_file="/etc/sysconfig/network-scripts/ifcfg-${str_inst_nic}"
+        if [ $networkmanager_active -eq 2 ]; then
+            str_conf_file="/etc/sysconfig/network-scripts/ifcfg-xcat-install-${str_inst_nic}"
+        fi
         if [ $networkmanager_active -eq 1 ]; then
             is_nmcli_connection_exist "$con_name"
             if [ $? -eq 0 ]; then
@@ -637,20 +670,31 @@ elif [ "$1" = "-s" ];then
                 nmcli con modify $con_name connection.id $tmp_con_name
             fi
             nmcli con add type ethernet con-name $con_name ifname ${str_inst_nic} ipv4.method manual ipv4.addresses  ${str_inst_ip}/${str_inst_prefix} connection.autoconnect-priority 9
+            str_conf_file_1="/etc/sysconfig/network-scripts/ifcfg-xcat-${str_if_name}-1"
+            if [ -f $str_conf_file_1 ]; then
+                grep $con_name $str_conf_file_1 >/dev/null 2>/dev/null
+                if [ $? -eq 0 ]; then
+                    $str_conf_file=$str_conf_file_1
+                fi
+            fi
         else
             echo "DEVICE=${str_inst_nic}" > $str_conf_file
             echo "IPADDR=${str_inst_ip}" >> $str_conf_file
             echo "NETMASK=${str_inst_mask}" >> $str_conf_file
             echo "BOOTPROTO=none" >> $str_conf_file
             echo "ONBOOT=yes" >> $str_conf_file
+            echo "NAME=xcat-install-${str_inst_nic}" >> $str_conf_file
             echo "HWADDR=${str_inst_mac}" >> $str_conf_file
         fi
+        if [ $networkmanager_active -eq 2 ]; then
+            echo "AUTOCONNECT_PRIORITY=9" >> $str_conf_file
+        fi
         if [ -n "${str_inst_mtu}" ];then
-	    if [ $networkmanager_active -eq 1 ]; then
-		nmcli con modify $con_name mtu ${str_inst_mtu}
+	        if [ $networkmanager_active -eq 1 ]; then
+		        nmcli con modify $con_name mtu ${str_inst_mtu}
             else
                 echo "MTU=${str_inst_mtu}" >> $str_conf_file
-	    fi
+	        fi
         fi
         if [ -n "$str_inst_gateway" ];then
             grep -i "GATEWAY" /etc/sysconfig/network
@@ -660,17 +704,16 @@ elif [ "$1" = "-s" ];then
                 echo "GATEWAY=${str_inst_gateway}" >> /etc/sysconfig/network
             fi
         fi
-
-		#add extra params
-		i=0
-		while [ $i -lt ${#array_extra_param_names[@]} ]
-		do
-			name="${array_extra_param_names[$i]}"
-			value="${array_extra_param_values[$i]}"
-            echo "  $i: name=$name value=$value"
-			echo "${name}=${value}" >> $str_conf_file
-			i=$((i+1))
-		done		
+	    #add extra params
+        i=0
+        while [ $i -lt ${#array_extra_param_names[@]} ]
+        do
+            name="${array_extra_param_names[$i]}"
+            value="${array_extra_param_values[$i]}"
+            echo "$i: name=$name value=$value"
+            echo "${name}=${value}" >> $str_conf_file
+            i=$((i+1))
+        done		
 
         hostname $NODE
         if [ -f "/etc/hostname" ]; then
@@ -692,9 +735,10 @@ elif [ "$1" = "-s" ];then
         else
             ip link set dev $str_inst_nic down
         fi
-	if [ $networkmanager_active -eq 1 ]; then
+        if [ $networkmanager_active -eq 1 ]; then
+            nmcli con reload
             nmcli con up $con_name
-	else
+	    else
             ifup $str_inst_nic
         fi
         if [ $? -ne 0 ]; then
@@ -1111,11 +1155,12 @@ else
             if [ $reboot_nic_bool -eq 1 ]; then
                 if_state=0
                 echo "bring up ip"
-		if [ $networkmanager_active -eq 1 ]; then
+                if [ $networkmanager_active -eq 1 ]; then
+                    nmcli con reload
                     nmcli con up $con_name
-		else
+                else
                     ifup $str_nic_name
-		fi
+                fi
                 if [ $? -ne 0 ]; then
                     if_state=$(wait_for_ifstate $str_nic_name UP 20 5)
                 fi
diff --git a/xCAT/postscripts/confignetwork b/xCAT/postscripts/confignetwork
index 40f4d4ace..232d9890d 100755
--- a/xCAT/postscripts/confignetwork
+++ b/xCAT/postscripts/confignetwork
@@ -63,7 +63,9 @@ function get_nic_cfg_file_content {
     elif [ $is_debian -eq 1 ]; then
          cfg_file="$nwdir/${cfg_dev}"
     fi
-    if [ "$networkmanager_active" = "1" ]; then
+    #TODO:this is networkmanager_active=2 
+    ps -ef|grep -v grep|grep NetworkManager >/dev/null 2>/dev/null
+    if [ $? -eq 0 ]; then
         $ip address show dev ${cfg_dev}| $sed -e 's/^/[Ethernet] >> /g' | log_lines info
     else
         if [ -f $cfg_file ]; then
@@ -568,7 +570,9 @@ function configure_nicdevice {
                 else
                     create_bridge_interface ifname=$nic_dev _brtype=$nic_dev_type _port=$base_nic_dev _pretype=$base_nic_type
                 fi
-            elif [ "$networkmanager_active" = "1" ]; then
+            elif [ "$networkmanager_active" = "2" ]; then
+                create_bridge_interface ifname=$nic_dev _brtype=$nic_dev_type _port=$base_nic_dev _pretype=$base_nic_type
+            else
                 create_bridge_interface_nmcli ifname=$nic_dev _brtype=$nic_dev_type _port=$base_nic_dev _pretype=$base_nic_type _ipaddr=$ipaddrs
             fi
             if [ $? -ne 0 ]; then
@@ -585,9 +589,9 @@ function configure_nicdevice {
                 vlanname=`echo "$nic_dev" | $sed -e 's/^\(.*\)vla\?n\?\([0-9]\+\)$/\1/'`
             fi
             ipaddrs=$(find_nic_ips $nic_dev)
-            if [ "$networkmanager_active" = "0" ]; then
+            if [ "$networkmanager_active" != "1" ]; then
                 create_vlan_interface ifname=$vlanname vlanid=$vlanid
-            elif [ "$networkmanager_active" = "1" ]; then
+            else
                 create_vlan_interface_nmcli ifname=$vlanname vlanid=$vlanid ipaddrs=$ipaddrs next_nic=$is_mid_device
             fi
             if [ $? -ne 0 ]; then
@@ -596,9 +600,9 @@ function configure_nicdevice {
             fi
         #configure bond
         elif [ x"$nic_dev_type" = "xbond" ]; then
-            if [ "$networkmanager_active" = "0" ]; then
+            if [ "$networkmanager_active" != "1" ]; then
                 create_bond_interface ifname=$nic_dev slave_ports=$base_nic_for_bond slave_type=$base_nic_type
-            elif [ "$networkmanager_active" = "1" ]; then
+            else
                 create_bond_interface_nmcli bondname=$nic_dev slave_ports=$base_nic_for_bond slave_type=$base_nic_type _ipaddr=$ipaddrs next_nic=$is_mid_device
             fi
             if [ $? -ne 0 ]; then
@@ -655,13 +659,15 @@ if [ $boot_install_nic -eq 1 ];then
 fi
 
 #check if using NetworkManager or  network service
-networkmanager_active=2
+networkmanager_active=3
 check_NetworkManager_or_network_service
 is_active=$?
 if [ $is_active -eq 0 ]; then
     networkmanager_active=0
 elif [ $is_active -eq 1 ]; then
     networkmanager_active=1
+elif [ $is_active -eq 2 ]; then
+    networkmanager_active=2
 else
     exit 1
 fi
diff --git a/xCAT/postscripts/nicutils.sh b/xCAT/postscripts/nicutils.sh
index 22f499f92..86acd954f 100755
--- a/xCAT/postscripts/nicutils.sh
+++ b/xCAT/postscripts/nicutils.sh
@@ -1691,6 +1691,7 @@ function create_vlan_interface_nmcli {
     local _netmask=""
     local _mtu=""
     local next_nic=""
+    rc=0
     # in case it's on top of bond, we need to migrate ip from its
     # member vlan ports.
     # parser input arguments
@@ -1750,9 +1751,14 @@ function create_vlan_interface_nmcli {
         tmp_con_name=$con_name"-tmp"
         $nmcli con modify $con_name connection.id $tmp_con_name
     fi
-
+    #create VLAN connetion
     $nmcli con add type vlan con-name $con_name dev $ifname id $(( 10#$vlanid )) $_ipaddrs $_mtu connection.autoconnect-priority 9
     log_info "create NetworkManager connection for $ifname.$vlanid"
+
+    #add extra params
+    add_extra_params_nmcli $ifname.$vlanid $con_name
+    [ $? -ne 0 ] && rc=1
+
     if [ -z "$next_nic" ]; then
         $nmcli con up $con_name
         is_connection_activate_intime $con_name
@@ -1770,7 +1776,48 @@ function create_vlan_interface_nmcli {
         $nmcli con delete $tmp_con_name
     fi
     $ip address show dev $ifname.$vlanid | $sed -e 's/^/[vlan] >> /g' | log_lines info
-    return 0
+    return $rc
+}
+###############################################################################
+#
+# add extra params for nmcli connection 
+#
+# input : $1 nic device
+#         $2 nmcli connection name
+# return : 1 error
+#          0 successful
+#
+###############################################################################
+function add_extra_params_nmcli {
+
+    nicdev=$1
+    con_name=$2
+    rc=0
+    str_conf_file="/etc/sysconfig/network-scripts/ifcfg-${con_name}"
+    str_conf_file_1="/etc/sysconfig/network-scripts/ifcfg-${con_name}-1"
+    if [ -f $str_conf_file_1 ]; then
+        grep -x "NAME=$con_name" $str_conf_file_1 >/dev/null 2>/dev/null
+        if [ $? -eq 0 ]; then
+            str_conf_file=$str_conf_file_1
+        fi
+    fi
+    #query extra params
+    query_extra_params $nicdev
+    i=0
+    while [ $i -lt ${#array_extra_param_names[@]} ]
+    do
+        name="${array_extra_param_names[$i]}"
+        value="${array_extra_param_values[$i]}"
+        if [ -n "$name" -a -n "$value" ]; then
+            echo "$name=$value" >> $str_conf_file
+        else
+            log_error "invalid extra params $name $value, please check nics.nicextraparams"
+            rc=1
+        fi
+        i=$((i+1))
+    done
+    $nmcli con reload $str_conf_file
+    return $rc
 }
 
 ###############################################################################
@@ -1951,10 +1998,13 @@ function create_bridge_interface_nmcli {
         $nmcli con mod $xcat_con_name ipv4.method manual ipv4.addresses $ipv4_addr/$str_prefix;
     fi
 
+    # add extra params
+    add_extra_params_nmcli $ifname $xcat_con_name
+    [ $? -ne 0 ] && rc=1
     # bring up interface formally
     log_info "$nmcli con up $xcat_con_name" 
     $nmcli con up $xcat_con_name
-    rc=$?
+    [ $? -ne 0 ] && rc=1
     log_info "$nmcli con up $xcat_slave_con"
     $nmcli con up $xcat_slave_con
     # If bridge interface is active, delete tmp old connection
@@ -1983,7 +2033,7 @@ function create_bridge_interface_nmcli {
             $nmcli con delete $tmp_slave_con_name
         fi
         wait_for_ifstate $ifname UP 20 40
-        rc=$?
+        [ $? -ne 0 ] && rc=1
         $ip address show dev $ifname| $sed -e 's/^/[bridge] >> /g' | log_lines info
     fi
 
@@ -2176,8 +2226,12 @@ function create_bond_interface_nmcli {
             break
         fi 
     done
-    # bring up interface formally
+    invalid_extra_params=0 
     if [ $rc -ne 1 ]; then 
+        # add extra params
+        add_extra_params_nmcli $bondname $xcat_con_name
+        [ $? -ne 0 ] && invalid_extra_params=1
+        # bring up interface formally
         log_info "$nmcli con up $xcat_con_name"
         $nmcli con up $xcat_con_name
         if [ -z "$next_nic" ]; then
@@ -2194,8 +2248,6 @@ function create_bond_interface_nmcli {
                     $ip address show dev $bondname| $sed -e 's/^/[bond] >> /g' | log_lines info
                 fi
             fi
-        else
-           rc=0
         fi
     fi
 
@@ -2231,6 +2283,7 @@ function create_bond_interface_nmcli {
             delete_bond_slaves_con "$tmp_slave_con_names"
         fi
     fi
+    [ $invalid_extra_params -eq 1 ] && rc=$invalid_extra_params
     return $rc
 }
 ######################################################################