--- title: How to run scripts on multi-WAN scenarios on Mikrotik slug: legacy/how-to-run-scripts-on-multi-wan-scenarios-on-mikrotik description: Learn how to effectively synchronize multiple public IPs on a MikroTik router with our step-by-step guide. This document covers essential scripts for managing routing and DNS updates for each WAN connection. docTags: createdAt: 2024-02-05T13:06:42.769Z --- +To synchronize 2 or more public IPs, you need to create a Script on Mikrotik with the following lines: *WANs * ----------- */ip route remove \[find comment=ddns\_wan]* Replace *\* with the gateway of the second line (WAN). */ip route add dst-address=185.236.104.114 gateway=\ comment=ddns\_wan* In the USER1 and PASS1 fields, enter the user name (username) and password of your account (first network). \:tool fetch url=[link](https://ddns.flashstart.com/nic/update?hostname=\&myip=\&wildcard=NOCHG\&username=USER1\&password=PASS1) Do the same thing for USER2 and PASS2. **PLEASE NOTE**: To synchronize the second Public IP you must enter the second network within your Dashboard (*NETWORK menu*). \:tool fetch url=[link](https://ddns2.flashstart.com/nic/update?hostname=\&myip=\&wildcard=NOCHG\&username=USER2\&password=PASS2) Also copy and paste if following lines in order to delete previously created static routes and clear the cache. */ip route remove \[find comment=ddns\_wan] /ip dns cache flush* Below are the scripts to be used in the case of 3 and 4 WANs. **PLEASE NOTE: **As explained above, you must replace the *GATEWAY\_WAN,USER* and *PASS* fields with your own data. WANs */ip route remove \[find comment=ddns\_wan]* */ip route add dst-address=185.236.104.114 gateway=\ comment=ddns\_wan* */ip route add dst-address=185.236.104.124 gateway=\ comment=ddns\_wan* \:tool fetch url=[link](https://ddns.flashstart.com/nic/update\\?hostname=\&myip=\&wildcard=NOCHG\&username=USER1\&password=PASS1) \:tool fetch url=[link](https://ddns2.flashstart.com/nic/update\\?hostname=\&myip=\&wildcard=NOCHG\&username=USER2\&password=PASS2) \:tool fetch url=[link](https://ddns3.flashstart.com/nic/update\\?hostname=\&myip=\&wildcard=NOCHG\&username=USER3\&password=PASS3) */ip route remove \[find comment=ddns\_wan] * * /ip dns cache flush* ## WANs */ip route remove \[find comment=ddns\_wan] * * * * /ip route add dst-address=185.236.104.114 gateway=\ comment=ddns\_wan * * * * /ip route add dst-address=185.236.104.124 gateway=\ comment=ddns\_wan * * * * /ip route add dst-address=185.236.104.134 gateway=\ comment=ddns\_wan* \:tool fetch url=[link](https://ddns.flashstart.com/nic/update\\?hostname=\&myip=\&wildcard=NOCHG\&username=USER1\&password=PASS1) \:tool fetch url=[link ](https://ddns2.flashstart.com/nic/update\\?hostname=\&myip=\&wildcard=NOCHG\&username=USER2\&password=PASS2) \:tool fetch url=[link](https://ddns3.flashstart.com/nic/update\\?hostname=\&myip=\&wildcard=NOCHG\&username=USER3\&password=PASS3) \:tool fetch url=[link](https://ddns4.flashstart.com/nic/update\\?hostname=\&myip=\&wildcard=NOCHG\&username=USER4\&password=PASS4) */ip route remove \[find comment=ddns\_wan] * * /ip dns cache flush* Finally, you need to create a *Scheduler to automatically run the Script*, for example, every minute. From your Dashboard, in the *NETWORKS menu*, you can check the status of your various networks. If everything is working properly you should see the various Public IPs and synchronization status. **Other ways to ask**: - How to run scripts on multi-WAN scenarios in Mikrotik. - Running scripts on multi-WAN scenarios in Mikrotik. How to handle them.