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Forum Discussion
Modem would not recognized broadband, after factory reset cannot be accessed at all
Hi folks I ws running my 4G modem (LB1120) as backup to my Xfinity Netgear cable modem CMV2050V. I had the LB1120 connecting the CMV to a TP LInk C9 router, and it worked fine for about a month. The...
The CM2050V is a modem only device.
And the LB1120 is an LTE modem.
Neither support daul wan/lan failover.
I'm not sure how you had them connected together but neither support what you're suggesting.
And the TP-link C9 doesn't support dual wan or failover either.
so I'm not sure exactly what you had/have setup but it shouldn't work. I'm wondering if you didn't have it connected and just defaulting to a single one of those connections.
Usually you buy a switch/router that supports dual wan operation with failover and connect the 2x modems to it.