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I have a cable modem and wireless router for my home network.  This is the primary network.

Because cable internet service is sometimes unreliable, I bought the RUT955 for a backup network.

How can I wire my RUT955 so that it only works if the cable modem goes down?

Thanks in advance for the community's help.

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I am disappointed about the lack of answers.  There are so many questions in this forum without answers which indicates that Teltonika does not give a damn.

Anyway, here is an excellent resource:


Also, here is a potential setup scenario:


Setting up a Failover System




1)   Modem           



2)   Cell Router       WAN Port   ----------- >>>>      Modem

        WAN is default (not static)

                  LAN is

                  DHCP  -

                  Wireless Channel     1, 6 or 11

                  Advanced Settings – Failover ON


3)   Wireless Router   ------- >>>   Any LAN port on Cell Router

       LAN is

       DHCP       OFF

       Wireless Channel      1, 6 or 11 (different from cell wireless channel)



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