การ Set Dynanic DNS บน Mikrotik ในกรณีทำ LoadBalance

 

 

การ Config Dynanic DNS บน Mikrotik ในกรณีทำ Load Balance

เพิ่ม Script ใน Menu Winbox System --> Scripts

แก้ไขในส่วน Code ที่เป็นสีแดง ตามนี้ครับ
user-name: dyndns username
password: dyndns password
device-interface: ชื่อ Interface ที่เชื่อมต่อ Internet เช่น pppoe-out1
dyndns-host-name: ชื่อ Host Name ที่สร้างไว้ใน DynDNS.org




:local ddnsuser "user-name"
:local ddnspass "password"
:local theinterface "device-interface"
:local ddnshost "dyndns-host-name"

:local ipddns [:resolve $ddnshost];
:local ipfresh [ /ip address get [/ip address find interface=$theinterface ] address ]
:if ([ :typeof $ipfresh ] = nil ) do={
  :log info ("DynDNS: No ip address on $theinterface .")
} else={
  :for i from=( [:len $ipfresh] - 1) to=0 do={
     :if ( [:pick $ipfresh $i] = "/") do={
   :set ipfresh [:pick $ipfresh 0 $i];
     }
}

:if ($ipddns != $ipfresh) do={
   :log info ("DynDNS: IP-DynDNS = $ipddns")
   :log info ("DynDNS: IP-Fresh = $ipfresh")
  :log info "DynDNS: Update IP needed, Sending UPDATE...!"
  :local str "/nic/update?hostname=$ddnshost&myip=$ipfresh&wildcard=NOCHG&mx=NOCHG&backmx=NOCHG"
  /tool fetch address=members.dyndns.org src-path=$str mode=http user=$ddnsuser \
        password=$ddnspass dst-path=("/DynDNS.".$ddnshost)
   :delay 1
   :local str [/file find name="DynDNS.$ddnshost"];
   /file remove $str
   :global ipddns $ipfresh
 :log info "DynDNS: IP updated to $ipfresh!"
   } else={
    :log info "DynDNS: dont need changes";
   }
}

จะเป็นการส่งค่า IP Address ขา Wan ของ Mikrotik ไปยัง Dynamic DNS Server

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