Mikrotik netinstall11/7/2022 ![]() ![]() There may also be problems with already-established connections when your primary routes come back online which could be solved using the firewall mangle in RouterOS. If there is a failure after that gateway IP, it would go undetected and routes would never switch over. One disadvantage is that it relies on the gateway IP address to check connectivity. There are disadvantages to the Static Routing with Distance method. The routing flag 'AS' means the route is Active + Static Here is what our default routes look like after the configuration. ![]() After 2 timeouts, the route is considered unreachable and the route with the greater distance will kick into action.Īdd check-gateway=ping distance=1 gateway=TSS-InternetĪdd check-gateway=ping distance=2 gateway=Afrihost The 'Check Gateway' option must be set to ping which will periodically (every 10 seconds) check the gateway connection. The idea is to have multiple default routes to the internet at varying distances as the route with the smallest distance will take preference in most cases. When adding routes manually, it gives you control of additional parameters which can be applied to the route. ![]() Instead of allowing your router to add the default routes via their interfaces automatically, you can add them manually to the routing table. This article serves as an introduction on simple ways to achieve failover using RouterOS and assumes all basic configuration has already been completed on the router. Some ways are more complex and offer additional functionality. There are multiple ways to achieve ISP redundancy with MikroTik. ![]()
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