diff --git a/files/initrd/opt/arc/arc-functions.sh b/files/initrd/opt/arc/arc-functions.sh
index 37f97f1e..67efa03d 100755
--- a/files/initrd/opt/arc/arc-functions.sh
+++ b/files/initrd/opt/arc/arc-functions.sh
@@ -949,8 +949,8 @@ function sysinfo() {
   CPU="$(cat /proc/cpuinfo 2>/dev/null | grep 'model name' | uniq | awk -F':' '{print $2}')"
   SECURE=$(dmesg 2>/dev/null | grep -i "Secure Boot" | awk -F'] ' '{print $2}')
   VENDOR=$(dmesg 2>/dev/null | grep -i "DMI:" | head -1 | sed 's/\[.*\] DMI: //i')
-  ETHX="$(ls /sys/class/net 2>/dev/null | grep eth)"
-  ETHN="$(echo ${ETHX} | wc -w)"
+  ETHX=$(ip -o link show | awk -F': ' '{print $2}' | grep eth)
+  ETHN=$(echo ${ETHX} | wc -w)
   ARC_BRANCH="$(readConfigKey "arc.branch" "${USER_CONFIG_FILE}")"
   CONFDONE="$(readConfigKey "arc.confdone" "${USER_CONFIG_FILE}")"
   BUILDDONE="$(readConfigKey "arc.builddone" "${USER_CONFIG_FILE}")"
@@ -1010,15 +1010,15 @@ function sysinfo() {
   TEXT+="\n  Bootdisk: \Zb${LOADER_DISK}\Zn"
   TEXT+="\n"
   TEXT+="\n\Z4> Network: ${ETHN} NIC\Zn"
-  for ETH in ${ETHX}; do
+  for N in ${ETHX}; do
     COUNT=0
-    DRIVER=$(ls -ld /sys/class/net/${ETH}/device/driver 2>/dev/null | awk -F '/' '{print $NF}')
+    DRIVER=$(ls -ld /sys/class/net/${N}/device/driver 2>/dev/null | awk -F '/' '{print $NF}')
     while true; do
-      if ! ip link show ${ETH} 2>/dev/null | grep -q 'UP'; then
+      if [ -z "$(cat /sys/class/net/${N}/carrier 2>/dev/null)" ]; then
         TEXT+="\n${DRIVER}: \ZbDOWN\Zn"
         break
       fi
-      if ethtool ${ETH} 2>/dev/null | grep 'Link detected' | grep -q 'no'; then
+      if [ "0" = "$(cat /sys/class/net/${N}/carrier 2>/dev/null)" ]; then
         TEXT+="\n${DRIVER}: \ZbNOT CONNECTED\Zn"
         break
       fi
@@ -1027,9 +1027,9 @@ function sysinfo() {
         break
       fi
       COUNT=$((${COUNT} + 1))
-      IP="$(getIP ${ETH})"
+      IP="$(getIP ${N})"
       if [ -n "${IP}" ]; then
-        SPEED=$(ethtool ${ETH} 2>/dev/null | grep "Speed:" | awk '{print $2}')
+        SPEED=$(ethtool ${N} 2>/dev/null | grep "Speed:" | awk '{print $2}')
         if [[ "${IP}" =~ ^169\.254\..* ]]; then
           TEXT+="\n$   {DRIVER} (${SPEED}): \ZbLINK LOCAL (No DHCP server found.)\Zn"
         else
@@ -1245,22 +1245,22 @@ function uploadDiag () {
 # Shows Networkdiag to user
 function networkdiag() {
   (
-  ETHX="$(ls /sys/class/net 2>/dev/null | grep eth)"
-  for ETH in ${ETHX}; do
+  ETHX=$(ip -o link show | awk -F': ' '{print $2}' | grep eth)
+  for N in ${ETHX}; do
     echo
-    DRIVER=$(ls -ld /sys/class/net/${ETH}/device/driver 2>/dev/null | awk -F '/' '{print $NF}')
-    echo -e "Interface: ${ETH} (${DRIVER})"
-    if ethtool ${ETH} 2>/dev/null | grep 'Link detected' | grep -q 'no'; then
+    DRIVER=$(ls -ld /sys/class/net/${N}/device/driver 2>/dev/null | awk -F '/' '{print $NF}')
+    echo -e "Interface: ${N} (${DRIVER})"
+    if [ "0" = "$(cat /sys/class/net/${N}/carrier 2>/dev/null)" ]; then
       echo -e "Link: NOT CONNECTED"
       continue
     fi
-    if ! ip link show ${ETH} 2>/dev/null | grep -q 'UP'; then
+    if [ -z "$(cat /sys/class/net/${N}/carrier 2>/dev/null)" ]; then
       echo -e "Link: DOWN"
       continue
     fi
     echo -e "Link: CONNECTED"
-    addr=$(getIP ${ETH})
-    netmask=$(ifconfig ${ETH} | grep inet | grep 255 | awk '{print $4}' | cut -f2 -d':')
+    addr=$(getIP ${N})
+    netmask=$(ifconfig ${N} | grep inet | grep 255 | awk '{print $4}' | cut -f2 -d':')
     echo -e "IP Address: ${addr}"
     echo -e "Netmask: ${netmask}"
     echo
@@ -1281,14 +1281,14 @@ function networkdiag() {
         fi
       done
       echo
-      GITHUBAPI=$(curl --interface ${ETH} -skL "https://api.github.com/repos/AuxXxilium/arc/releases" | jq -r ".[].tag_name" | grep -v "dev" | sort -rV | head -1 2>/dev/null)
+      GITHUBAPI=$(curl --interface ${N} -skL "https://api.github.com/repos/AuxXxilium/arc/releases" | jq -r ".[].tag_name" | grep -v "dev" | sort -rV | head -1 2>/dev/null)
       if [[ $? -ne 0 || -z "${GITHUBAPI}" ]]; then
         echo -e "Github API not reachable!"
       else
         echo -e "Github API reachable!"
       fi
       if [ "${CONFDONE}" == "true" ]; then
-        SYNOAPI=$(curl --interface ${ETH} -m 5 -skL "https://www.synology.com/api/support/findDownloadInfo?lang=en-us&product=${MODEL/+/%2B}&major=${PRODUCTVER%%.*}&minor=${PRODUCTVER##*.}" | jq -r '.info.system.detail[0].items[0].files[0].url')
+        SYNOAPI=$(curl --interface ${N} -m 5 -skL "https://www.synology.com/api/support/findDownloadInfo?lang=en-us&product=${MODEL/+/%2B}&major=${PRODUCTVER%%.*}&minor=${PRODUCTVER##*.}" | jq -r '.info.system.detail[0].items[0].files[0].url')
         if [[ $? -ne 0 || -z "${SYNOAPI}" ]]; then
           echo -e "Syno API not reachable!"
         else
@@ -1340,15 +1340,16 @@ function credits() {
 }
 
 ###############################################################################
-# allow setting Static IP for Loader
+# Setting Static IP for Loader
 function staticIPMenu() {
-  ETHX="$(ls /sys/class/net 2>/dev/null | grep eth)"
-  for ETH in ${ETHX}; do
-    MACR="$(cat /sys/class/net/${ETH}/address 2>/dev/null | sed 's/://g' | tr '[:lower:]' '[:upper:]')"
+  ETHX=$(ip -o link show | awk -F': ' '{print $2}' | grep -v lo)
+  IPCON=""
+  for N in ${ETHX}; do
+    MACR="$(cat /sys/class/net/${N}/address 2>/dev/null | sed 's/://g')"
     IPR="$(readConfigKey "network.${MACR}" "${USER_CONFIG_FILE}")"
     IFS='/' read -r -a IPRA <<<"${IPR}"
 
-    MSG="$(printf "Set to %s: (Delete if empty)" "${ETH}(${MACR})")"
+    MSG="Set ${N}(${MACR}) IP to: (Delete if empty)"
     while true; do
       dialog --backtitle "$(backtitle)" --title "StaticIP" \
         --form "${MSG}" 10 60 4 "address" 1 1 "${IPRA[0]}" 1 9 36 16 "netmask" 2 1 "${IPRA[1]}" 2 9 36 16 "gateway" 3 1 "${IPRA[2]}" 3 9 36 16 "dns" 4 1 "${IPRA[3]}" 4 9 36 16 \
@@ -1356,19 +1357,42 @@ function staticIPMenu() {
       RET=$?
       case ${RET} in
       0) # ok-button
-        dialog --backtitle "$(backtitle)" --title "StaticIP" \
-          --infobox "Setting IP ..." 3 25
         address="$(cat "${TMP_PATH}/resp" | sed -n '1p')"
         netmask="$(cat "${TMP_PATH}/resp" | sed -n '2p')"
         gateway="$(cat "${TMP_PATH}/resp" | sed -n '3p')"
         dnsname="$(cat "${TMP_PATH}/resp" | sed -n '4p')"
-        if [ -z "${address}" ]; then
-          deleteConfigKey "network.${MACR}" "${USER_CONFIG_FILE}"
-        else
-          writeConfigKey "network.${MACR}" "${address}/${netmask}/${gateway}/${dnsname}" "${USER_CONFIG_FILE}"
-        fi
-        writeConfigKey "arc.builddone" "false" "${USER_CONFIG_FILE}"
-        BUILDDONE="$(readConfigKey "arc.builddone" "${USER_CONFIG_FILE}")"
+        (
+          if [ -z "${address}" ]; then
+            if [ -n "$(readConfigKey "network.${MACR}" "${USER_CONFIG_FILE}")" ]; then
+              if [ "1" = "$(cat /sys/class/net/${N}/carrier 2>/dev/null)" ]; then
+                ip addr flush dev ${N}
+              fi
+              deleteConfigKey "network.${MACR}" "${USER_CONFIG_FILE}"
+              IP="$(getIP)"
+              [ -z "${IPCON}" ] && IPCON="${IP}"
+              sleep 1
+            fi
+          else
+            if [ "1" = "$(cat /sys/class/net/${N}/carrier 2>/dev/null)" ]; then
+              ip addr flush dev ${N}
+              ip addr add ${address}/${netmask:-"255.255.255.0"} dev ${N}
+              if [ -n "${gateway}" ]; then
+                ip route add default via ${gateway} dev ${N}
+              fi
+              if [ -n "${dnsname:-${gateway}}" ]; then
+                sed -i "/nameserver ${dnsname:-${gateway}}/d" /etc/resolv.conf
+                echo "nameserver ${dnsname:-${gateway}}" >>/etc/resolv.conf
+              fi
+            fi
+            writeConfigKey "network.${MACR}" "${address}/${netmask}/${gateway}/${dnsname}" "${USER_CONFIG_FILE}"
+            IP="$(getIP)"
+            [ -z "${IPCON}" ] && IPCON="${IP}"
+            sleep 1
+          fi
+          writeConfigKey "arc.builddone" "false" "${USER_CONFIG_FILE}"
+          BUILDDONE="$(readConfigKey "arc.builddone" "${USER_CONFIG_FILE}")"
+        ) 2>&1 | dialog --backtitle "$(backtitle)" --title "StaticIP" \
+          --progressbox "Setting IP ..." 20 100
         break
         ;;
       1) # cancel-button
@@ -1379,28 +1403,6 @@ function staticIPMenu() {
         ;;
       esac
     done
-    sleep 1
-  done
-  IPCON=""
-  dialog --backtitle "$(backtitle)" --title "StaticIP" \
-    --infobox "Restart Network ..." 3 25
-  for ETH in ${ETHX}; do
-    MACR="$(cat /sys/class/net/${ETH}/address 2>/dev/null | sed 's/://g' | tr '[:lower:]' '[:upper:]')"
-    IPR="$(readConfigKey "network.${MACR}" "${USER_CONFIG_FILE}")"
-    if [ -n "${IPR}" ]; then
-      IFS='/' read -r -a IPRA <<<"${IPR}"
-      ip addr flush dev ${ETH}
-      ip addr add ${IPRA[0]}/${IPRA[1]:-"255.255.255.0"} dev ${ETH}
-      [ -z "${IPCON}" ] && IPCON="${IPRA[0]}"
-      if [ -n "${IPRA[2]}" ]; then
-        ip route add default via ${IPRA[2]} dev ${ETH}
-      fi
-      if [ -n "${IPRA[3]:-${IPRA[2]}}" ]; then
-        sed -i "/nameserver ${IPRA[3]:-${IPRA[2]}}/d" /etc/resolv.conf
-        echo "nameserver ${IPRA[3]:-${IPRA[2]}}" >>/etc/resolv.conf
-      fi
-      sleep 1
-    fi
   done
 }
 
diff --git a/files/initrd/opt/arc/boot.sh b/files/initrd/opt/arc/boot.sh
index b5971b20..ff53d6ba 100755
--- a/files/initrd/opt/arc/boot.sh
+++ b/files/initrd/opt/arc/boot.sh
@@ -187,15 +187,14 @@ if echo "purley broadwellnkv2" | grep -wq "${PLATFORM}"; then
 fi
 
 # Cmdline NIC Settings
-ETHX="$(ls /sys/class/net 2>/dev/null | grep eth)"
-ETHM="$(readConfigKey "${MODEL}.ports" "${S_FILE}" 2>/dev/null)"
-ETHN="$(echo ${ETHX} | wc -w)"
-[ -z "${ETHM}" ] && ETHM="${ETHN}"
+ETHX=$(ip -o link show | awk -F': ' '{print $2}' | grep eth)
+ETHM=$(readConfigKey "${MODEL}.ports" "${S_FILE}" 2>/dev/null)
+ETHN=$(echo ${ETHX} | wc -w)
+[ -z "${ETHM}" ] && ETHM=${ETHN}
 NIC=0
-for ETH in ${ETHX}; do
-  MAC="$(readConfigKey "${ETH}" "${USER_CONFIG_FILE}")"
-  [ -z "${MAC}" ] && MAC="$(cat /sys/class/net/${ETH}/address 2>/dev/null | tr '[:lower:]' '[:upper:]')"
-  NIC=$((${NIC} + 1))
+for N in ${ETHX}; do
+  MAC="$(readConfigKey "${N}" "${USER_CONFIG_FILE}")"
+  [ -z "${MAC}" ] && MAC="$(cat /sys/class/net/${N}/address 2>/dev/null | tr '[:lower:]' '[:upper:]')" || NIC=$((${NIC} + 1))
   [ ${NIC} -le ${ETHM} ] && CMDLINE["mac${NIC}"]="${MAC}"
   [ ${NIC} -ge ${ETHM} ] && break
 done
@@ -268,18 +267,18 @@ elif [ "${DIRECTBOOT}" == "false" ]; then
   echo
   [ ! -f /var/run/dhcpcd/pid ] && /etc/init.d/S41dhcpcd restart >/dev/null 2>&1 || true
   sleep 3
-  for ETH in ${ETHX}; do
+  for N in ${ETHX}; do
     COUNT=0
-    DRIVER=$(ls -ld /sys/class/net/${ETH}/device/driver 2>/dev/null | awk -F '/' '{print $NF}')
+    DRIVER=$(ls -ld /sys/class/net/${N}/device/driver 2>/dev/null | awk -F '/' '{print $NF}')
     while true; do
-      if ethtool ${ETH} 2>/dev/null | grep 'Link detected' | grep -q 'no'; then
+      if [ "0" = "$(cat /sys/class/net/${N}/carrier 2>/dev/null)" ]; then
         echo -e "\r${DRIVER}: \033[1;37mNOT CONNECTED\033[0m"
         break
       fi
       COUNT=$((${COUNT} + 1))
-      IP="$(getIP ${ETH})"
+      IP="$(getIP ${N})"
       if [ -n "${IP}" ]; then
-        SPEED=$(ethtool ${ETH} 2>/dev/null | grep "Speed:" | awk '{print $2}')
+        SPEED=$(ethtool ${N} 2>/dev/null | grep "Speed:" | awk '{print $2}')
         if [[ "${IP}" =~ ^169\.254\..* ]]; then
           echo -e "\r${DRIVER} (${SPEED}): \033[1;37mLINK LOCAL (No DHCP server found.)\033[0m"
         else
@@ -288,7 +287,7 @@ elif [ "${DIRECTBOOT}" == "false" ]; then
         fi
         break
       fi
-      if ! ip link show ${ETH} 2>/dev/null | grep -q 'UP'; then
+      if [ -z "$(cat /sys/class/net/${N}/carrier 2>/dev/null)" ]; then
         echo -e "\r${DRIVER}: \033[1;37mDOWN\033[0m"
         break
       fi
diff --git a/files/initrd/opt/arc/include/functions.sh b/files/initrd/opt/arc/include/functions.sh
index 794410a8..a14a9f97 100755
--- a/files/initrd/opt/arc/include/functions.sh
+++ b/files/initrd/opt/arc/include/functions.sh
@@ -229,18 +229,16 @@ function _set_conf_kv() {
 # sort netif busid
 function _sort_netif() {
   local ETHLIST=""
-  local ETHX="$(ls /sys/class/net/ 2>/dev/null | grep eth)" # real network cards list
-  for ETH in ${ETHX}; do
-    local MAC="$(cat /sys/class/net/${ETH}/address 2>/dev/null | sed 's/://g; s/.*/\L&/')"
-    local BUS="$(ethtool -i ${ETH} 2>/dev/null | grep bus-info | cut -d' ' -f2)"
-    ETHLIST="${ETHLIST}${BUS} ${MAC} ${ETH}\n"
-  done
+  local ETHX=$(ip -o link show | awk -F': ' '{print $2}' | grep eth)
+  for N in ${ETHX}; do
+    local MAC="$(cat /sys/class/net/${N}/address 2>/dev/null | sed 's/://g; s/.*/\L&/')"
+    local BUS="$(ethtool -i ${N} 2>/dev/null | grep bus-info | cut -d' ' -f2)"
+    ETHLIST="${ETHLIST}${BUS} ${MAC} ${N}\n"
   local ETHLISTTMPB="$(echo -e "${ETHLIST}" | sort)"
   local ETHLIST="$(echo -e "${ETHLISTTMPB}" | grep -v '^$')"
   local ETHSEQ="$(echo -e "${ETHLIST}" | awk '{print $3}' | sed 's/eth//g')"
   local ETHNUM="$(echo -e "${ETHLIST}" | wc -l)"
 
-  # echo "${ETHSEQ}" >"/tmp/ethseq"
   # sort
   if [ ! "${ETHSEQ}" = "$(seq 0 $((${ETHNUM:0} - 1)))" ]; then
     /etc/init.d/S41dhcpcd stop >/dev/null 2>&1
diff --git a/files/initrd/opt/arc/include/network.sh b/files/initrd/opt/arc/include/network.sh
index 0c68e870..39b343de 100755
--- a/files/initrd/opt/arc/include/network.sh
+++ b/files/initrd/opt/arc/include/network.sh
@@ -1,18 +1,17 @@
 # Get Network Config for Loader
 function getnet() {
-  ETHX="$(ls /sys/class/net 2>/dev/null | grep eth)"
+  ETHX=$(ip -o link show | awk -F': ' '{print $2}' | grep eth)
   MODEL="$(readConfigKey "model" "${USER_CONFIG_FILE}")"
   ARCPATCH="$(readConfigKey "arc.patch" "${USER_CONFIG_FILE}")"
   NICPORTS="$(readConfigKey "${MODEL}.ports" "${S_FILE}" 2>/dev/null)"
+  ETHN=$(echo ${ETHX} | wc -w)
   if [ "${ARCPATCH}" == "true" ]; then
-    ETHN="$(echo ${ETHX} | wc -w)"
     MACS=($(generateMacAddress "${MODEL}" "${ETHN}" "true"))
     for I in $(seq 1 ${ETHN}); do
       eval MAC${I}="${MACS[$((${I} - 1))]}"
       writeConfigKey "eth$((${I} - 1))" "${MACS[$((${I} - 1))]}" "${USER_CONFIG_FILE}"
     done
   elif [ "${ARCPATCH}" == "false" ]; then
-    ETHN="$(echo ${ETHX} | wc -w)"
     MACS=($(generateMacAddress "${MODEL}" "${ETHN}" "false"))
     for I in $(seq 1 ${ETHN}); do
       eval MAC${I}="${MACS[$((${I} - 1))]}"
@@ -20,19 +19,19 @@ function getnet() {
     done
   elif [ "${ARCPATCH}" == "user" ]; then
     # User Mac
-    for ETH in ${ETHX}; do
+    for N in ${ETHX}; do
       while true; do
-        MAC="$(cat /sys/class/net/${ETH}/address | sed 's/://g' | tr '[:lower:]' '[:upper:]')"
+        MAC="$(cat /sys/class/net/${N}/address | sed 's/://g' | tr '[:lower:]' '[:upper:]')"
         dialog --backtitle "$(backtitle)" --title "Mac Setting" \
           --inputbox "Type a custom MAC for ${ETH} (Eq. 001132abc123)." 7 50 "${MAC}"\
           2>"${TMP_PATH}/resp"
         [ $? -ne 0 ] && break
         MAC=$(cat "${TMP_PATH}/resp")
-        [ -z "${MAC}" ] && MAC="$(readConfigKey "${ETH}" "${USER_CONFIG_FILE}")"
-        [ -z "${MAC}" ] && MAC="$(cat /sys/class/net/${ETH}/address 2>/dev/null | sed 's/://g' | tr '[:lower:]' '[:upper:]')"
+        [ -z "${MAC}" ] && MAC="$(readConfigKey "${N}" "${USER_CONFIG_FILE}")"
+        [ -z "${MAC}" ] && MAC="$(cat /sys/class/net/${N}/address 2>/dev/null | sed 's/://g' | tr '[:lower:]' '[:upper:]')"
         MAC="$(echo "${MAC}" | tr '[:lower:]' '[:upper:]')"
         if [ ${#MAC} -eq 12 ]; then
-          writeConfigKey "${ETH}" "${MAC}" "${USER_CONFIG_FILE}"
+          writeConfigKey "${N}" "${MAC}" "${USER_CONFIG_FILE}"
           break
         else
           dialog --backtitle "$(backtitle)" --title "Mac Setting" --msgbox "Invalid MAC - Try again!" 5 50
diff --git a/files/initrd/opt/arc/init.sh b/files/initrd/opt/arc/init.sh
index 6d75d7de..9eeb3f7b 100755
--- a/files/initrd/opt/arc/init.sh
+++ b/files/initrd/opt/arc/init.sh
@@ -95,16 +95,16 @@ if arrayExistItem "sortnetif:" $(readConfigMap "addons" "${USER_CONFIG_FILE}");
   _sort_netif "$(readConfigKey "addons.sortnetif" "${USER_CONFIG_FILE}")"
 fi
 # Read/Write IP/Mac to config
-ETHX="$(ls /sys/class/net 2>/dev/null | grep eth)"
-for ETH in ${ETHX}; do
-  MACR="$(cat /sys/class/net/${ETH}/address 2>/dev/null | sed 's/://g' | tr '[:lower:]' '[:upper:]')"
+ETHX=$(ip -o link show | awk -F': ' '{print $2}' | grep eth)
+for N in ${ETHX}; do
+  MACR="$(cat /sys/class/net/${N}/address 2>/dev/null | sed 's/://g' | tr '[:lower:]' '[:upper:]')"
   IPR="$(readConfigKey "network.${MACR}" "${USER_CONFIG_FILE}")"
-  if [ -n "${IPR}" ]; then
+  if [ -n "${IPR}" ] && [ "1" = "$(cat /sys/class/net/${N}/carrier 2>/dev/null)" ]; then
     IFS='/' read -r -a IPRA <<<"${IPR}"
-    ip addr flush dev ${ETH}
-    ip addr add ${IPRA[0]}/${IPRA[1]:-"255.255.255.0"} dev ${ETH}
+    ip addr flush dev ${N}
+    ip addr add ${IPRA[0]}/${IPRA[1]:-"255.255.255.0"} dev ${N}
     if [ -n "${IPRA[2]}" ]; then
-      ip route add default via ${IPRA[2]} dev ${ETH}
+      ip route add default via ${IPRA[2]} dev ${N}
     fi
     if [ -n "${IPRA[3]:-${IPRA[2]}}" ]; then
       sed -i "/nameserver ${IPRA[3]:-${IPRA[2]}}/d" /etc/resolv.conf
@@ -112,11 +112,11 @@ for ETH in ${ETHX}; do
     fi
     sleep 1
   fi
-  [ "${ETH::3}" == "eth" ] && ethtool -s ${ETH} wol g 2>/dev/null || true
-  # [ "${ETH::3}" == "eth" ] && ethtool -K ${ETH} rxhash off 2>/dev/null || true
-  initConfigKey "${ETH}" "${MACR}" "${USER_CONFIG_FILE}"
+  [ "${N::3}" == "eth" ] && ethtool -s ${N} wol g 2>/dev/null || true
+  # [ "${N::3}" == "eth" ] && ethtool -K ${N} rxhash off 2>/dev/null || true
+  initConfigKey "${N}" "${MACR}" "${USER_CONFIG_FILE}"
 done
-ETHN="$(echo ${ETHX} | wc -w)"
+ETHN=$(echo ${ETHX} | wc -w)
 writeConfigKey "device.nic" "${ETHN}" "${USER_CONFIG_FILE}"
 # No network devices
 echo
@@ -171,18 +171,18 @@ IPCON=""
 echo
 [ ! -f /var/run/dhcpcd/pid ] && /etc/init.d/S41dhcpcd restart >/dev/null 2>&1 || true
 sleep 3
-for ETH in ${ETHX}; do
+for N in ${ETHX}; do
   COUNT=0
-  DRIVER=$(ls -ld /sys/class/net/${ETH}/device/driver 2>/dev/null | awk -F '/' '{print $NF}')
+  DRIVER=$(ls -ld /sys/class/net/${N}/device/driver 2>/dev/null | awk -F '/' '{print $NF}')
   while true; do
-    if ethtool ${ETH} 2>/dev/null | grep 'Link detected' | grep -q 'no'; then
+    if [ "0" = "$(cat /sys/class/net/${N}/carrier 2>/dev/null)" ]; then
       echo -e "\r${DRIVER}: \033[1;37mNOT CONNECTED\033[0m"
       break
     fi
     COUNT=$((${COUNT} + 1))
-    IP="$(getIP ${ETH})"
+    IP="$(getIP ${N})"
     if [ -n "${IP}" ]; then
-      SPEED=$(ethtool ${ETH} 2>/dev/null | grep "Speed:" | awk '{print $2}')
+      SPEED=$(ethtool ${N} 2>/dev/null | grep "Speed:" | awk '{print $2}')
       if [[ "${IP}" =~ ^169\.254\..* ]]; then
         echo -e "\r${DRIVER} (${SPEED}): \033[1;37mLINK LOCAL (No DHCP server found.)\033[0m"
       else
@@ -191,7 +191,7 @@ for ETH in ${ETHX}; do
       fi
       break
     fi
-    if ! ip link show ${ETH} 2>/dev/null | grep -q 'UP'; then
+    if [ -z "$(cat /sys/class/net/${N}}/carrier 2>/dev/null)" ]; then
       echo -e "\r${DRIVER}: \033[1;37mDOWN\033[0m"
       break
     fi