How Can Teltonika Routers Handle Automatic Failover Between 4G/5G and Wired WAN?

Networking Solutions
1

Hello

I have been testing Teltonika routers in an enterprise setup and I’m curious about the best way to configure automatic failover between different connections (for example, wired WAN as the primary and 4G/5G as the backup). :innocent:

In some cases, when the primary connection drops, the switch to mobile data takes longer than expected, which can interrupt critical IoT or M2M applications. I want to make sure the transition is seamless, especially for real-time services.:slightly_smiling_face:

I understand that load balancing and link monitoring features can help, but I’m not sure about the optimal configuration for reducing downtime to just a few seconds.:thinking: It would be great to know if there are specific settings or best practices in TeltonikaOS for industries that rely on uninterrupted connectivity.

For eg, do most people prefer to use ping-based monitoring, or is there another method that works better in practice? Checked Load Balancing Rules/Policies examples - Teltonika Networks Wiki guide for reference.

So, my question is: what is the most reliable way to configure automatic failover between wired and cellular connections on Teltonika routers? :thinking: I’ve been reading a bit about what Is Cloud Computing, and it reminded me that many enterprise services today depend on always-on connections, so even small drops can have big consequences.

Any guidance or tested setups from the community would be very helpful.

Thank you !!:slightly_smiling_face:

2

Using ping monitoring for the failover settings, I have not noticed any significant delays in the switch from WAN to mobile connectivity.

When you refer to the switch to mobile data taking longer than expected, are you referring to the physical switchover from the device or the network connectivity downstream from the Teltonika router?

4

Hello,

As @amadgwick already mentioned, in most cases the failover switch between mobile WAN and wired WAN (and vice versa) should work seamlessly using either the ping or wget methods.

For an even smoother transition, you can also make use of the “Flush connections on” option. This feature clears established connections once the selected scenario occurs, which helps to renew the priorities of the configured interfaces and could reduce downtime during the failover process.

Best regards,

5

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