diff --git a/ipv6lanrouter.sh b/ipv6lanrouter.sh
new file mode 100644
index 0000000..9d8ad2d
--- /dev/null
+++ b/ipv6lanrouter.sh
@@ -0,0 +1,403 @@
+#!/bin/bash
+set -eo pipefail
+
+function message(){
+  echo "[$(date +'%Y-%m-%d %H:%M:%S')] $@"
+}
+
+# Global Variable
+CHECK=${CHECK:-3}
+LAN_MODE=${LAN_MODE:-docker}
+PREFIXLEN="${PREFIXLEN:-60}"
+MTU=${MTU:-0}
+RDNSS=($(echo "$RDNSS" | sed -e 's/;/ /g'))
+EXCLUDE_SUB=($(echo "$EXCLUDE_SUB" | sed -e 's/;/ /g'))
+EXCLUDE_NUM1=($(echo "$EXCLUDE_NUM1" | sed -e 's/;/ /g'))
+EXCLUDE_NUM2=($(echo "$EXCLUDE_NUM2" | sed -e 's/;/ /g'))
+
+echo "======================================== IPv6 LAN Router ==========================================="
+message "INFO: [CHECK]: ${CHECK}"
+if [[ "$PREFIXLEN" == "64" ]]; then
+  message "INFO: [LAN_MODE]: ${LAN_MODE}"
+fi
+message "INFO: [PREFIXLEN]: ${PREFIXLEN}"
+message "INFO: [MTU]: ${MTU}"
+message "INFO: [RDNSS]: ${RDNSS[@]}"
+message "INFO: [EXCLUDE_SUB]: ${EXCLUDE_SUB[@]}"
+message "INFO: [EXCLUDE_NUM1]: ${EXCLUDE_NUM1[@]}"
+message "INFO: [EXCLUDE_NUM2]: ${EXCLUDE_NUM2[@]}"
+
+# Subnet Address Pool
+sub0_7=(0 1 2 3 4 5 6 7)
+sub8_f=(8 9 a b c d e f)
+sub0_f=(${sub0_7[@]} ${sub8_f[@]})
+for a1 in ${sub0_7[@]}; do
+  for b1 in ${sub0_f[@]}; do
+    sub00_7f=(${sub00_7f[@]} ${a1}${b1})
+  done
+done
+for a2 in ${sub8_f[@]}; do
+  for b2 in ${sub0_f[@]}; do
+    sub80_ff=(${sub80_ff[@]} ${a2}${b2})
+  done
+done
+for a3 in ${sub0_f[@]}; do
+  for b3 in ${sub0_f[@]}; do
+    sub00_ff=(${sub00_ff[@]} ${a3}${b3})
+  done
+done
+# Exclude Subnet Address
+for a4 in ${EXCLUDE_NUM1[@]}; do
+  for b4 in ${EXCLUDE_NUM2[@]}; do
+    EXCLUDE_SUB=(${EXCLUDE_SUB[@]} ${a4}${b4})
+  done
+done
+if [[ "${#EXCLUDE_SUB[@]}" != "0" ]]; then
+  for a5 in ${EXCLUDE_SUB[@]}; do
+    if [[ "$PREFIXLEN" == "56" ]]; then
+      for ((i=0;i<${#sub00_ff[@]};i++)); do
+        if [[ "$a5" == "${sub00_ff[$i]}" ]]; then
+          sub00_ff=(${sub00_ff[@]:0:$i} ${sub00_ff[@]:$i+1})
+        fi
+      done
+    elif [[ "$PREFIXLEN" == "58" ]]; then
+      for ((i=0;i<${#sub00_7f[@]};i++)); do
+        if [[ "$a5" == "${sub00_7f[$i]}" ]]; then
+          sub00_7f=(${sub00_7f[@]:0:$i} ${sub00_7f[@]:$i+1})
+        fi
+        if [[ "$a5" == "${sub80_ff[$i]}" ]]; then
+          sub80_ff=(${sub80_ff[@]:0:$i} ${sub80_ff[@]:$i+1})
+        fi
+      done
+    elif [[ "$PREFIXLEN" == "60" ]]; then
+      for ((i=0;i<${#sub0_f[@]};i++)); do
+        if [[ "$a5" == "${sub0_f[$i]}" ]]; then
+          sub0_f=(${sub0_f[@]:0:$i} ${sub0_f[@]:$i+1})
+        fi
+      done
+    elif [[ "$PREFIXLEN" == "62" ]]; then
+      for ((i=0;i<${#sub0_7[@]};i++)); do
+        if [[ "$a5" == "${sub0_7[$i]}" ]]; then
+          sub0_7=(${sub0_7[@]:0:$i} ${sub0_7[@]:$i+1})
+        fi
+        if [[ "$a5" == "${sub8_f[$i]}" ]]; then
+          sub8_f=(${sub8_f[@]:0:$i} ${sub8_f[@]:$i+1})
+        fi
+      done
+    fi
+  done
+  message "INFO: [EXCLUDE]: [${EXCLUDE_SUB[@]}]"
+fi
+
+# Get Interfaces
+NET=($(ip -j link show | jq -r '.[] | select(.ifname != "lo") | .ifname'))
+if [[ ${#NET[@]} -lt 2 ]]; then
+  message "ERROR: Need more interface."
+  exit 1
+fi
+
+# Get WAN Interface
+function getwan(){
+  local i ii
+  echo "---------------------------------------- Process Info ----------------------------------------------"
+  message "INFO: Get IPv6 global address..."
+  i=0
+  while true; do
+    for ((ii=0;ii<${#NET[@]};ii++)); do
+      ip=$(ip -j addr show ${NET[$ii]} | jq -r '.[] | .addr_info | .[] | select(.preferred_life_time != 0 and .family == "inet6" and .scope == "global") | .local')
+      if [[ "$ip" != "" ]]; then
+        WAN=${NET[$ii]}
+        LAN=(${NET[@]:0:$ii} ${NET[@]:$ii+1})
+        wan_ip=$ip
+        break
+      fi
+    done
+    if [[ "$WAN" != "" ]]; then
+      break
+    elif [[ $i -lt 10 ]]; then
+      i=$(($i+1))
+      message "WARN: No IPv6 global address, Retry $i(10)"
+      sleep 1
+    else
+      message "ERROR: No IPv6 global address, Container stopped."
+      exit 1
+    fi
+  done
+}
+
+function macv6map(){
+  local array1 array2 a b c
+  array1=(0 1 2 3 4 5 6 7 8 9 a b c d e f)
+  array2=(2 3 0 1 6 7 4 5 a b 8 9 e f c d)
+  a=${1:0:1}
+  b=${1:1:1}
+  for ((c=0;c<${#array1[@]};c++)); do
+    if [[ "$b" == "${array1[$c]}" ]]; then
+      mac[0]="$a${array2[$c]}"
+      break
+    fi
+  done
+}
+
+# Get Subnet Prefix
+function getprefix(){
+  net_prefix=$(echo $wan_ip | cut -d : -f 1-3)
+  wan_prefix=$(echo $wan_ip | cut -d : -f 4)
+  if [[ ${#wan_prefix} == 1 ]]; then
+    wan_prefix="0$wan_prefix"
+  else
+    wan_prefix=${wan_prefix:-00}
+  fi
+  
+  if [[ "$PREFIXLEN" == "56" ]]; then
+    lan_prefix="$net_prefix:${wan_prefix:0:${#wan_prefix}-2}"
+    sub_prefix=(${sub00_ff[@]/${wan_prefix: -2}/})
+  
+  elif [[ "$PREFIXLEN" == "58" ]]; then
+    lan_prefix="$net_prefix:${wan_prefix:0:${#wan_prefix}-2}"
+    if [[ ${sub00_7f[@]/${wan_prefix: -2}/} != ${sub00_7f[@]} ]]; then
+      sub_prefix=(${sub00_7f[@]/${wan_prefix: -2}/})
+    else
+      sub_prefix=(${sub80_ff[@]/${wan_prefix: -2}/})
+    fi
+  
+  elif [[ "$PREFIXLEN" == "60" ]]; then
+    lan_prefix="$net_prefix:${wan_prefix:0:${#wan_prefix}-1}"
+    sub_prefix=(${sub0_f[@]/${wan_prefix: -1}/})
+  
+  elif [[ "$PREFIXLEN" == "62" ]]; then
+    lan_prefix="$net_prefix:${wan_prefix:0:${#wan_prefix}-1}"
+    if [[ ${sub0_7[@]/${wan_prefix: -1}/} != ${sub0_7[@]} ]]; then
+      sub_prefix=(${sub0_7[@]/${wan_prefix: -1}/})
+    else
+      sub_prefix=(${sub8_f[@]/${wan_prefix: -1}/})
+    fi
+  
+  elif [[ "$PREFIXLEN" == "64" ]]; then
+    lan_prefix="$net_prefix:$wan_prefix"
+    if [[ "$LAN_MODE" == "docker" ]]; then
+      for ((i=0;i<${#LAN[@]};i++)); do
+        v4prefixlen=$(ip -j addr show ${LAN[$i]} | jq -r '.[] | .addr_info | .[] | select (.family == "inet") | .prefixlen')
+        if [[ "v4prefixlen" == "" ]]; then
+          message "ERROR: No IPv4 Address, Interface must have an IPv4 address to continue."
+          exit 1
+        fi
+        mac=($(ip -j addr show ${LAN[$i]} | jq -r '.[] | .address' | sed -e 's/:/ /g'))
+        macv6map ${mac[0]}
+        if [[ "$v4prefixlen" == "24" ]]; then
+          sub_prefix[$i]=":${mac[0]}${mac[1]}:${mac[2]}ff:fe${mac[3]}:${mac[4]}00"
+          v6prefixlen[$i]=120
+        elif [[ "$v4prefixlen" == "16" ]]; then
+          sub_prefix[$i]=":${mac[0]}${mac[1]}:${mac[2]}ff:fe${mac[3]}::"
+          v6prefixlen[$i]=112
+        elif [[ "$v4prefixlen" == "8" ]]; then
+          sub_prefix[$i]=":${mac[0]}${mac[1]}:${mac[2]}ff:fe00::"
+          v6prefixlen[$i]=104
+        else
+          message "ERROR: Unsupport IPv4 prefix length, It should be 8/16/24."
+          exit 1
+        fi
+      done
+    else
+      for ((i=0;i<${#LAN[@]};i++)); do
+        sub_prefix[$i]="::"
+        v6prefixlen[$i]=64
+      done
+    fi
+  else
+    message "ERROR: Unsupport IPv6 prefix length, It should be 56/58/60/62/64."
+    exit 1
+  fi
+  # Check Subnet
+  if [[ "$PREFIXLEN" != "64" ]]; then
+    if [[ ${#LAN[@]} -gt ${#sub_prefix[@]} ]]; then
+      message "ERROR: Interfaces is so much and not enough LAN address."
+      message "ERROR: [Interfaces] Num:[${#LAN[@]}] Info:[${LAN[@]}]"
+      message "ERROR: [LAN address] Num:[${#sub_prefix[@]}] Info:[${sub_prefix[@]}]"
+      exit 1
+    fi
+  elif [[ "$PREFIXLEN" == "64" && "$LAN_MODE" != "docker" ]]; then
+    if [[ ${#LAN[@]} -gt 1 ]]; then
+      message "ERROR: When PREFIXLEN=64 and LAN_MODE=net, Only support one lan."
+      message "ERROR: [Interfaces] Num:[${#LAN[@]}] Info:[${LAN[@]}]]"
+      exit 1
+    fi
+  fi
+}
+
+# radvd.conf
+function setradvd(){
+  echo "" > radvd.conf
+  local i
+  for ((i=0;i<${#LAN[@]};i++)); do
+    # Set RA
+    echo "interface ${LAN[$i]} {
+      AdvSendAdvert on;
+      AdvManagedFlag off;
+      AdvOtherConfigFlag off;
+      AdvLinkMTU $MTU;
+      AdvIntervalOpt on;" >> radvd.conf
+    # Set Prefix
+    if [[ "$PREFIXLEN" != "64" ]]; then
+      echo "prefix $1${sub_prefix[$i]}::/64 {
+        AdvOnLink on;
+        AdvAutonomous on;
+        AdvRouterAddr off;" >> radvd.conf
+    elif [[ "$PREFIXLEN" == "64" ]]; then
+      echo "prefix $1::/64 {
+        AdvOnLink off;
+        AdvAutonomous on;
+        AdvRouterAddr off;" >> radvd.conf
+    fi
+    # Switch Prefix
+    if [[ "$2" == "switch" ]]; then
+      echo "AdvValidLifetime 0;" >> radvd.conf
+      echo "AdvPreferredLifetime 0;" >> radvd.conf
+    fi
+    echo "};" >> radvd.conf
+    # Set RDNSS
+    if [[ ${#RDNSS[@]} != 0 ]]; then
+      echo "RDNSS ${RDNSS[@]} {
+        AdvRDNSSLifetime 1800;" >> radvd.conf
+      echo "};" >> radvd.conf
+    fi
+    echo "};" >> radvd.conf
+  done
+}
+
+# ndppd.conf
+function setndppd(){
+  echo "" > ndppd.conf
+  local i
+  echo "proxy $WAN {
+    router yes
+    timeout 500
+    ttl 30000" > ndppd.conf
+  for ((i=0;i<${#LAN[@]};i++)); do
+    if [[ "$PREFIXLEN" != "64" ]]; then
+      echo "
+        rule $lan_prefix${sub_prefix[$i]}::/64 {
+          auto
+        }" >> ndppd.conf
+    elif [[ "$PREFIXLEN" == "64" ]]; then
+      echo "
+        rule $lan_prefix${sub_prefix[$i]}/${v6prefixlen[$i]} {
+          auto
+        }" >> ndppd.conf
+    fi
+  done
+  echo "}" >> ndppd.conf
+}
+
+function setroute(){
+  local i ii
+  for ((i=0;i<${#LAN[@]};i++)); do
+    ii=0
+    while true; do
+      lan_ip=$(ip -j addr show ${LAN[$i]} | jq -r '.[] | .addr_info | .[] | select(.preferred_life_time != 0 and .family == "inet6" and .scope == "global") | .local')
+      if [[ "$lan_ip" != "" ]]; then
+        ip -6 neigh add proxy $lan_ip dev $WAN
+        if [[ "$PREFIXLEN" == "64" ]]; then
+          ip route add $lan_prefix${sub_prefix[$i]}/${v6prefixlen[$i]} dev ${LAN[$i]}
+        fi
+        break
+      elif [[ $ii -lt 10 ]]; then
+        ii=$(($ii+1))
+        message "WARN: LAN: [${LAN[$i]}] No IPv6 address, Retry $ii(10)"
+        sleep 1
+      else
+        message "ERROR: LAN: [${LAN[$i]}] No IPv6 address, Container stopped."
+        exit 1
+      fi
+    done
+  done
+}
+
+function netinfo(){
+  local i
+  echo "----------------------------------------------------------------------------------------------------"
+  message "INFO:  WAN: [$WAN] $wan_ip"
+  for ((i=0;i<${#LAN[@]};i++)); do
+    lan_ip=$(ip -j addr show ${LAN[$i]} | jq -r '.[] | .addr_info | .[] | select(.preferred_life_time != 0 and .family == "inet6" and .scope == "global") | .local')
+    message "INFO:  LAN: [${LAN[$i]}] $lan_ip"
+    if [[ "$PREFIXLEN" == "64" ]]; then
+      message "INFO: PRFX: [${LAN[$i]}] $lan_prefix${sub_prefix[$i]}/${v6prefixlen[$i]}"
+    else
+      message "INFO: PRFX: [${LAN[$i]}] $lan_prefix${sub_prefix[$i]}::/64"
+    fi
+  done
+}
+
+function main(){
+  getwan
+  getprefix
+  setradvd $lan_prefix
+  radvd -C radvd.conf -p radvd.pid
+  sleep 1
+  message "INFO: radvd start with PID $(cat radvd.pid)"
+  setroute
+  setndppd
+  ndppd -c ndppd.conf >/dev/null 2>&1 &
+  echo $! > ndppd.pid
+  sleep 1
+  message "INFO: ndppd start with PID $(cat ndppd.pid)"
+  netinfo
+}
+
+function cleanup(){
+  message "INFO: Container stopped."
+  kill $(cat radvd.pid)
+  kill $(cat ndppd.pid)
+  exit 0
+}
+
+trap 'cleanup' SIGTERM SIGINT
+
+# Router
+main
+while true; do
+  old_wan_ip=$wan_ip
+  old_lan_prefix=$lan_prefix
+  wan_ip=$(ip -j addr show $WAN | jq -r '.[] | .addr_info | .[] | select(.preferred_life_time != 0 and .family == "inet6" and .scope == "global") | .local')
+  getprefix
+  if [[ "$lan_prefix" != "$old_lan_prefix" ]]; then
+    echo "---------------------------------------- Process Info ----------------------------------------------"
+    message "INFO: WAN IPv6 address change, Process restart."
+    kill $(cat radvd.pid)
+    kill $(cat ndppd.pid)
+
+    # Switch LAN Prefix
+    setradvd $old_lan_prefix switch
+    radvd -C radvd.conf -p radvd.pid
+    sleep 3
+    kill $(cat radvd.pid)
+
+    # Clean Address
+    ip addr del $old_wan_ip/64 dev $WAN
+    for ((i=0;i<${#LAN[@]};i++)); do
+      lan_ip=$(ip -j addr show ${LAN[$i]} | jq -r '.[] | .addr_info | .[] | select(.preferred_life_time == 0 and .family == "inet6" and .scope == "global") | .local')
+      if [[ "$PREFIXLEN" == "64" ]]; then
+        ip route del $old_lan_prefix${sub_prefix[$i]}/${v6prefixlen[$i]} dev ${LAN[$i]}
+      fi
+      ip -6 neigh del proxy $lan_ip dev $WAN
+      ip addr del $lan_ip/64 dev ${LAN[$i]}
+    done
+    message "INFO: Old IPv6 address has been invalidated."
+
+    # Start Service
+    setradvd $lan_prefix
+    radvd -C radvd.conf -p radvd.pid
+    sleep 1
+    message "INFO: radvd start with PID $(cat radvd.pid)"
+    setroute
+    setndppd
+    ndppd -c ndppd.conf >/dev/null 2>&1 &
+    echo $! > ndppd.pid
+    sleep 1
+    message "INFO: ndppd start with PID $(cat ndppd.pid)"
+    netinfo
+  fi
+  sleep $CHECK
+done
+
+exec "$@"