Mikrotik wan failover script. 114. WAN failover script help by toxicfusion » Wed Aug 10, 2016 2:51 pm Hey everyone So I'm growing very angry and upset, all emotions. In this case, basic failover Apr 25, 2025 · I am setting up dual WAN failover using netwatch and scripts to manipulate two 0. I have written a failover script, it checks for ping reply via WAN 1 every 5 mins and if replay is not received, it will send an email and switch to Backup. The situation: Jul 19, 2021 · It then uses these two internal Routing Tables to run Pings for one or the other WAN Interface. Nov 12, 2012 · You can look at my failover script on the wiki http://wiki. I have configured the mikrotik server and enabled gateway checking, but it did not solve the problem, basically because I am able to ping the gateway of the of the ISP all the time being a Script Generators: The site provides numerous script generators for various network tasks, including Load Balancing PCC (Per Connection Classifier) and ECMP (Equal Cost Multi Path). Apr 27, 2025 · The failover script is scheduled to run every 30 seconds. 0/0 gateways back and forth. 8 Jan 30, 2024 · I have a failover working with netwatch rules and ive been trying to mess around with a way to break the connections tied to specific WANs so that when the failover happens I can swiftly break all the connections only tied to the WAN that failed I’ll add my forward chain rules. Both masquerade rules are using ether10. That’s why I decided to set up auto failover between my two WAN connections on my MikroTik router. Along with manual routing table entries, I have always relied on scripts of some sort that are triggered when one of the WAN links goes down. May 13, 2025 · Downtime can be incredibly frustrating and potentially costly. May 27, 2018 · MikroTik PCC provides 100% reliable Load Balancing over multiple gateways. Scripts de dual wan [Script -MikroTik] 2 PPPoE WAN Connection and Failover using Netwatch Tool and Scripts. Test failover by unplugging one PPPoE. Aug 5, 2021 · It then uses these two internal Routing Tables to run Pings for one or the other WAN Interface. Si el enlace no tiene IP y gateway fijo también son necesarios scripts. Apr 27, 2025 · I use this on multiple routers and It works fine, what is exact problem your side? EDIT: Checked your posts, yeah it works for me, no matter the route distance pings always go properly to right interfaces and failover script works like that for me for months since I made it. Yony Richa d Mon oy Burg sEquipment Failover Apr 26, 2025 · Posts: 262 Joined: Sun Jan 31, 2010 9:58 am Location: Newcastle, Australia Apr 27, 2025 · The failover script is scheduled to run every 30 seconds. Re: WAN failover script help by cdiedrich » Wed Aug 10, 2016 3:14 pm From first sight I don't see a masq rule for the verizon link. However, I'm encountering an issue that perhaps you could assist with: the load balancing is happening constantly (meaning a PC is continuously switching between the two WANs). I wanted the most stable failover. Nearly… Apr 17, 2013 · When testing this script I found that it works fine when lines outside of the building go down. mangle and netwatch rules. I executed the script in the terminal, and each time I can see the only ping response was from WAN 2, while the routing table shows WAN1 as unreachable, even though I plugged the cable back in. Mikrotik scripts for configuration with dual wan failover and load balancing - utrumo/mikrotik-scripts Jul 15, 2025 · In this article, we will look at another advanced method of failover using recursive routing and scopes from the routing section. Si tenes un router Mikrotik y andas buscando una manera de asegurarte la conectividad a internet, entonces esta artículo es para vos. There are several ways to do a failover in RouterOS. Aug 3, 2021 · My way to solve this now would be to write a Mikrotik Script which on every run does housekeeping on two internal Routing Tables. I've used Tomas Kirnak's script, version 1. The article does not describe "automatic" traffic balancing across channels due to the fact that implementing it with such initial data Oct 13, 2014 · Hi Mikrotik Masters! I would like to ask for your help for me to implement the following on my two ISPs (dedicated lines). Posts: 281 Joined: Sun Jan 31, 2010 9:58 am Location: Brisbane, Australia Posts: 281 Joined: Sun Jan 31, 2010 9:58 am Location: Brisbane, Australia The failover script is scheduled to run every 30 seconds. The current EdgeRouter Setup pings one IP on the Internet from both Interfaces. The failover script is scheduled to run every 30 seconds. /ip route add gateway=“IP Address of ISP1 Gateway” check-gateway=ping distance=1 Mar 25, 2010 · Dear All, I have 2WAN links (Fibre and VSAT). After doing this I can ping the IP on the Internet with internal Routing Table 0 and afterwards with the internal Routing Table 1. Posts: 281 Joined: Sun Jan 31, 2010 9:58 am Location: Brisbane, Australia Mar 1, 2022 · I’ve been fiddling with RouterOS’ dual WAN failover, and I’ve found it somewhat hard to implement (fiy - I’m not an expert in networking). This guide provides step-by-step instructions on setting up Dual WAN Load Balancing and failover on the MikroTik RB750Gr3 router. During testing (with Main ISP still up) I can’t ping via ether4 to 8. Qual a dificuldade de dual wan em Mar 28, 2024 · Hi, thanks for sharing your script. Aug 4, 2021 · It then uses these two internal Routing Tables to run Pings for one or the other WAN Interface. NOTE: the route distance changes are commented out in the script to avoid causing any loss of connectivity until fully tested. Aug 3, 2021 · It then uses these two internal Routing Tables to run Pings for one or the other WAN Interface. What sort of trick could one use to prevent this? ahmedramze August 10, 2013, 8:25pm 33 Basically, default config covers most cases: when current gateway dies - mikrotik marks currently used route as down and therefore next available route (based on distance) is used, which is route from LTE interface. routes. Here, I’ll walk you through how I accomplished it using the router’s built-in scripting capabilities. Jul 18, 2021 · Re: Dual WAN Failover Script Ping Command by kbch » Mon Jul 19, 2021 12:07 pm Yes, I want a Dual WAN Setup. txt), PDF File (. It does look pretty simple though. Após ter suas interfaces de rede configuradas e com saída para a internet 3 Wan Load Balancing Script Mikrotik - Free download as Text File (. com/wiki/Failover_Scripting It monitors an IP, if that goes down, it increases the distance of the route that is down. Connections are marked and routed based on their destination address to balance traffic across the 3 WAN Apr 26, 2025 · Posts: 260 Joined: Sun Jan 31, 2010 9:58 am Location: Newcastle, Australia Script criado para dual wan/failover usado em uma RB 750gr3 Hex para as operadoras VIVO (modo pppoe / PPPoe client) e VIRTUA (modo bridge / DHCP client), com uso de IPv4 e IPv6 (prefix delegation), alocados como IP dinamico. This document configures IP addresses, DNS, firewall rules, NAT, and static routes on a router with 3 WAN interfaces (ether1, ether2, ether3) and 1 LAN interface (ether5). Both WAN have dynamic IP. Posts: 281 Joined: Sun Jan 31, 2010 9:58 am Location: Brisbane, Australia Posts: 280 Joined: Sun Jan 31, 2010 9:58 am Location: Brisbane, Australia 2025-04-26 19:49:21 script,warning Failover Check: Ping seq=7 latency=116 ms EXCEEDS threshold (110 ms) - DISCARD 2025-04-26 19:49:21 script,warning Failover Check: Ping seq=8 latency=125 ms EXCEEDS threshold (110 ms) - DISCARD 2025-04-26 19:49:21 script,warning Failover Check: Ping seq=9 latency=119 ms EXCEEDS threshold (110 ms) - DISCARD 2025 The failover script is scheduled to run every 30 seconds. ). It also includes settings for basic security. Posts: 279 Joined: Sun Jan 31, 2010 9:58 am Location: Brisbane, Australia May 28, 2014 · i have dualwan failover how can i incorporate the traffic monitor script so that the scenario will be wan1 will be the default source and when wan1 reach the threshold in traffic monitor wan2 will kicks in to help the bandwidth of wan1?thanks in advance /ip firewall nat add action=masquerade chain=srcnat disabled=no out-interface=WAN1 add action=masquerade chain=srcnat disabled=no out We would like to show you a description here but the site won’t allow us. I was wondering if doing this in any way breaks fast track before im using I agree on this, recursive would false failover multiple times a day for me, specially poor LTE links when they get saturated. Apr 20, 2020 · Si se tienen dos servicios de internet, se puede configurar un Failover en Mikrotik, cuando falle el principal, pueda subir el de backup: Si las interfaces WAN están configuradas por DHCP se debe deshabilitar Add Default Route para configurarlas manualmente. In my opinion that is by pinging multiple IP addressess. Failover recursivo Importante: Éste método de implementar failover no funciona cuando se tienen múltiples links con el mismo gateway. Jul 19, 2021 · It then uses these two internal Routing Tables to run Pings for one or the other WAN Interface. Having issues with a WAN failover setup/script for a customer. While there are several ways to implement failover, my method gives more certainty by verifying true connectivity to the wider internet, not Apr 26, 2025 · The script is configurable for the destination ping check address, the number of ping requests to send, the required % of successful responses, the responses must be below a configurable latency value and the script handles debounce (if required) on the down and up state changes. Hi, I want to have dual-WAN failover (main fiber on ether1, secondary LTE modem on ether5) and found a script which does exactly what I need, however… Apr 27, 2025 · Posts: 269 Joined: Sun Jan 31, 2010 9:58 am Location: Newcastle, Australia Apr 13, 2020 · Over the years I have used many different methods of failover for primary to secondary, sometime tietary, wan links on Mikrotik devices. Apr 26, 2025 · Posts: 262 Joined: Sun Jan 31, 2010 9:58 am Location: Newcastle, Australia Anywhoo, The script seems awesome enough, but while on WAN2 (aka ISP2 in the script) - After WAN1 (aka ISP1) died, and the script failed over - when the script pings for the gateway of WAN1, the actual ping still goes out of WAN2, resulting in the script never reverting back to WAN1 once it's back up again. I've seen quite a few such projects online but most used netwatch. This implies that the default route with a lower distance takes precedence over another one. 3 on a Chateau device (D53G-5HacD2HnD) I have used this document as a reference - I think this is the new documenta… Jun 24, 2019 · Hello All, I hope everyone is doing ok. This document configures the network settings and firewall rules for a router with 3 IP addresses, 2 WAN interfaces (WAN1 and WAN2), and local interface. However, when you unplug the primary WAN cable from the router it creates a “script loop” and every 10 secs it keeps switching the 0. Both has 6 Mbps bandwidth. txt Configura Mikrotik para multi WAN + balanceo NTH + failover Para descargar use el botón verde de arriba a la derecha (Clone or download) Este script te permite configurar tu MikroTik (si tiene licencia L4) para hacer multi WAN (lo que se conoce como multi portales) además, ofrece balanceo para los usuarios (IP) que pertenezcan a la lista "wlan1" aplicando failover sobre las interfaces. I would welcome any input on how it can be improved. May 25, 2025 · It then uses these two internal Routing Tables to run Pings for one or the other WAN Interface. As people post about them and all have issues? The failover script is scheduled to run every 30 seconds. However, I've reached edge case - ISP's gateway is working fine, but still 'no internet' (ISP's upstream or is dead or upstream's upstream, who knows). Reason (s) for all these modifications are multiple, but most important one would be failure of Tomas’s script in some scenarios. . I’ve thought of a solution with simple routing distance changes, without any recursive lookups and such, and I came up with a solution: Let’s say I’ve got two WAN The failover script is scheduled to run every 30 seconds. txt [Script-MikroTik] 1 DHCP Client WAN Connection (Dynamic IP from ISP) + Auto Fail Over + Recursive Routing. Posts: 281 Joined: Sun Jan 31, 2010 9:58 am Location: Brisbane, Australia Posts: 281 Joined: Sun Jan 31, 2010 9:58 am Location: Brisbane, Australia Posts: 281 Joined: Sun Jan 31, 2010 9:58 am Location: Brisbane, Australia The failover script is scheduled to run every 30 seconds. Apr 27, 2025 · Posts: 263 Joined: Sun Jan 31, 2010 9:58 am Location: Newcastle, Australia ECMP Failover Script How to do automatic ECMP failover This script demonstrates one method of doing automatic failover using the Netwatch function and using scripting to enable or disable gateways. You can look at my failover script on the wiki http://wiki. Basically it is a scheduler Just wanted Pensando em cenários onde o cliente está realizando a configuração de uma nova redundância ou já possui redundância configurada, mas encontra dificuldades em mantê-la ativa em sua estrutura ou precisa realizar manualmente a mudança, desativando o link primário da estrutura, organizamos este guia em como realizar corretamente a função do Faliover para o seu Mikrotik, de modo que GW1 - 10. Mikrotik Failover Script The goal of this script is to provide dual wan functionality on a mikrotik. mikrotik. Complete Script ! by ZaiB - Free download as Text File (. Posts: 281 Joined: Sun Jan 31, 2010 9:58 am Location: Brisbane, Australia The failover script is scheduled to run every 30 seconds. Jan 19, 2025 · MikroTik Dual WAN Load Balancing and failover is a highly sought-after configuration for businesses and advanced home networks looking to maximize uptime and optimize internet usage. Scripts de dual wan/failover para IPv4 sao bem comuns - mas para IPv6 nem tanto. txt Verizon hotspot jetpack, wireless bridge to a MikroTik MAP device in pseudo-bridge mode. Failed over the primary WAN interface on ether2 by setting route distance to 3 allowing the Posts: 281 Joined: Sun Jan 31, 2010 9:58 am Location: Brisbane, Australia Posts: 281 Joined: Sun Jan 31, 2010 9:58 am Location: Brisbane, Australia The failover script is scheduled to run every 30 seconds. Apr 12, 2013 · I cannot use ‘check gateway’ as I want to failover based on logical failures (WAN routing) instead of physical failures, as check gateway and arp would provide. Contribute to alexanderfefelov/mikrotik-routeros-scripts development by creating an account on GitHub. 8 to check if the WAN interfaces are healthy. Whatever solution I’ve found was either too complex or didn’t work at all. These scripts help distribute network traffic across multiple WAN interfaces, enhancing both bandwidth utilization and redundancy . 8 interface=ether4 SEQ HOST SIZE TTL TIME STATUS 0 8. Dec 24, 2024 · It then uses these two internal Routing Tables to run Pings for one or the other WAN Interface. 1. It sets DNS, marks traffic by interface for routing, accepts traffic for local subnets It then uses these two internal Routing Tables to run Pings for one or the other WAN Interface. Link VIVO como principal e VIRTUA como backup/standby. It's making me look like an IDIOT and fool. Nearly none of them work. 162. Jun 12, 2014 · Following is an Mikrotik RouterOS script designed to test internet connectivity by checking connectivity (by Ping method) for two different internet hosts, (like google dns and root dns server in t… Sep 16, 2015 · Hi, Can anybody publicate Mikrotik failover script for such configuration: Connection to Internet provider 1 have static IP over Ethernet (interface name “ether1-gateway”) Connection to Internet provider 2 have DHCP IP over USB 3G (interface name “ppp-out1”) Internet connection to Provider 2 must start when Provider 1 down, and return when Provider 1 again online. I would like to replicate the current EdgeRouter based setup. However, most of these materials, created by - GitHub - luisfeliperm/mikrotik-failover-two-wan: Script para Mikrotik que monitora o link principal e em caso de queda, detecta e alterna para a conexão de backup. I have ether1 of MAP device connected to a port on the primary MikroTik Router. Como ¡Asegure alta disponibilidad y tiempo de actividad de su internet con Mikrotik Failover! Guía paso a paso para configurar el failover. Currently, the script checks if the PPPoE connection is established and uses detect-internet state, but I’ve identified a scenario where the interface shows as connected yet no traffic can pass through. Feel free to submit merge requests for improvements you feel would help. This is probably not the most efficient way, but it works. 1 (Goes to ADSL modem so this is a private IP) GW2 - 203. Ensure high availability and uptime of your internet with Mikrotik Failover! Step by step how to set up automatic failover. Recursive routing occurs when a route (either static or dynamically learned) has a next-hop that is not directly connected to the local router. : Dual WAN Load-Balancing Fail-over Bandwidth Bonding/ Aggregation (optional) Overview of my set-up: ether2-WAN1 ether3-WAN2 ether4- bridge for vlan gateways 10,20,30 and 40 going to a switch Connection is just like this: Rb951G-2HnD <—> Switch Oct 6, 2018 · Mikrotik script failover con 2 ISPs. The only way I was able to force traffic over WAN1 again, was to change the distance to lower than WAN2, as expected. 1 (Public IP address) How can I successfully do failover with GW1 being my primary GW and GW2 being the failover? Someone suggested I use check-gateway PING for GW1 and Distance 2 for GW2, problem is if the ADSL modem is still powered on but the ADSL connection is dead for whatever reason it will still think its GW1 - 10. LAN user can get uninterrupted internet connection until all WANs get disconnected. But what happens when your primary internet connection fails? This is where a dual WAN (Wide Area Network) failover system comes into play. g. BTW i just use this to get pings to multiple servers to prevents false drops, also you dont need to force IPS thru specific gateways you can just specify interface in the ping command if applicable in your setup, like ether1, pppoe-out1 etc Example from my script Apr 27, 2025 · The failover script is scheduled to run every 30 seconds. 0/0 route distances and need to check if my main ISP is back up before bringing up the main ISP default route. We would like to show you a description here but the site won’t allow us. So many confusing options and scripts. Script criado para dual wan/failover usado em uma RB 750gr3 Hex para as operadoras VIVO (modo pppoe / PPPoe client) e VIRTUA (modo bridge / DHCP client), com uso de IPv4 e IPv6 (prefix delegation), alocados como IP dinamico. [Script -MikroTik] 2 PPPoE WAN Connection and Failover using Netwatch Tool and Scripts. If let's say I want to use this script to loadbalance 3 ISP or more, how is the config for route look like? Especially the distance for failover function. 8. This Script In addition to the complete loudbalence as well with the PPPoe client and hotspot user It then uses these two internal Routing Tables to run Pings for one or the other WAN Interface. Reason (s) for all these modifications are multiple, but most important one would be failure of Tomas's script in some scenarios. So I have just tested again. En éste caso es necesario scripts o netwatch chequeando enlaces externos. Housekeeping in terms of creating these internal Routing Tables according to the Default Gateway of both WAN Interfaces. I want the link to failover to the backup link anything there is failure on the primary link. Mar 8, 2024 · Garanta alta disponibilidade e uptime da sua internet com o Mikrotik Failover! Passo a passo em como configurar failover automático. Aug 10, 2016 · Hey everyone So I’m growing very angry and upset, all emotions. My way to solve this now would be to write a Mikrotik Script which on every run does housekeeping on two internal Routing Tables. Failover to the standby ISP in MikroTik routers can be simply configured by adding an default route with a higher value of the distance parameter in the routing table. Jul 19, 2021 · Dual WAN Failover Script Ping Command RouterOS Beginner Basics anav July 19, 2021, 3:41pm May 25, 2025 · I have a setup with Dual WAN. Current Script: :local primaryState Aug 5, 2021 · It then uses these two internal Routing Tables to run Pings for one or the other WAN Interface. Is this by design? This additional info would be great to see: Failover without scripts proceeds to script the failover lol, just found it funny. Adjust: pppoe-wan1/wan2 credentials. # Username in MikroTik Forum is rickfrey # ######################################################################################################### It then uses these two internal Routing Tables to run Pings for one or the other WAN Interface. * Multiple hosts for connectivity check were added * Sometimes IP tool ( used in Tomas's script ) doesn't work over some Nov 14, 2022 · Load balance PCC 3 ISP on mikrotik is a technique for distributing traffic load on two or more connection lines in a balanced way, so that traffic can run optimally, maximize throughput, reduce response time and avoid overloading one of the connection lines. Nov 23, 2023 · Aqui vai ser demonstrado como configurar o failover e espera-se que as interfaces de rede já estejam configurados. May 25, 2025 · Today, I want to share a practical approach to configuring automatic WAN failover on MikroTik routers using Netwatch. May 22, 2025 · How to Apply: Copy the script to Winbox Terminal (or SSH). If you have ever experienced internet downtime because of a failure in your primary WAN connection, you know how disruptive it can be. Dec 4, 2024 · Hello MikroTik Community, I’ve developed a failover script for PPPoE connections that uses detect-internet, but I’m looking to enhance its reliability. It covers routing with failover for several unrelated multihomed AS internet channels operating on the IPv4 protocol. pdf) or read online for free. Mar 8, 2022 · Hello! I have been trying to implement WAN failover in RouterOS 7 - currently working with version 7. It automatically creates two internal Routing Tables with one or the other Interfaces Gateway as Default Gateway. Various scripts for MikroTik RouterOS. [xxxx@RB5009] > ping 8. I have had varying success with this approach. Jan 4, 2024 · A simple but effective way to do WAN failover leveraging the problem to the recursive routes Apr 20, 2021 · Mikrotik automatic failover is one of those topics with lots of materials on the internet. Jul 18, 2021 · My way to solve this now would be to write a Mikrotik Script which on every run does housekeeping on two internal Routing Tables. Oct 26, 2018 · Hi all, I'd like to share my script for multi WAN failover with multi-host checks. The fibre is the primary link while the vsat is the backup link. It then uses these two internal Routing Tables to run Pings for one or the other WAN Interface. Ensuring Constant Connectivity: Mikrotik Dual WAN Failover ExplainedIn today's interconnected world, a stable internet connection is crucial for businesses and individuals alike. 1 (Public IP address) How can I successfully do failover with GW1 being my primary GW and GW2 being the failover? Someone suggested I use check-gateway PING for GW1 and Distance 2 for GW2, problem is if the ADSL modem is still powered on but the ADSL connection is dead for whatever reason it will still think its Mikrotik DUAL WAN Load Balancing Using PCC Method. It’s making me look like an IDIOT and fool. While there are numerous approaches to this problem from various networking Mar 3, 2024 · This article is intended for novice administrators of Mikrotik RouterOS (hereafter ROS). txt [Script-MikroTik] 2 PPPoE WAN Connection (Dynamic IP from ISP) + Auto Fail Over + Recursive Routing (RouterOS7). Apr 22, 2017 · I've been playing with RouterOS for a few months and am trying to use a script to change the route distance on 2x DHCP clients to perform WAN failover between interfaces ether1 and lte1. After that it will check for primary internet (WAN 1) after every 4 mins. And if internet is received via WAN !, it will send an email that Primary is up now. I’ve used Tomas Kirnak’s script, version 1. Feb 11, 2022 · I tested this on a MikroTik RB4011, and it worked perfectly. Oct 26, 2018 · I’d like to share my script for multi WAN failover with multi-host checks. 7 as base. It should ping e. One of the biggest problems I have had when switching from a primary Apr 27, 2025 · The failover script is scheduled to run every 30 seconds. LAN interfaces (ether3, ether4, etc. 0. 8. znmqej wfn wmyayz kclu hjhbk ktwu xaj ujjr bexm zojgfr