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Router backup for failovers, how to connect everything? (alien.top)

submitted 2 years ago by Reddito_cal@alien.top to c/homelab@selfhosted.forum

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Hi All, looking to connect my 4g router to existing Internet setup so that if the physical cable is cut or main Internet is down the 4g will takeover. Main reason is security (because ring does not let you select a second backup network) + control of heating when away.

The main router is a Vodafone broadband hub, I also have a huawei 4g router, a tp link deco wifi network, and an Asus WiFi router (currently unused and may not be necessary).

How would I go about connecting all of this so that the if the main Vodafone fibre connection went down the 4g would take over (ideally on same network) and all connected devices would still work?

Thanks!

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[–] Malossi167@alien.top 1 points 2 years ago

Failover and the like is generally a feature only prosumers and enterprises want or need. So most consumer routers do not support this espacially the cut down crap most ISPs give you.

You can either get a high end consumer router or build a opensense box with 2 WAN ports. Here you can hook up both Internet connections and select how they should be used.

Note that this might mess with forwarded ports and the like as your WAN IP will change on switch over.