Internet on and off with wireless modem connected to to link router

[thomasnkusi]

Connected a wireless modem to my tp link router to provide internet but the internet is on and off..though the router network is up and running...what could be the problem?

 

[camieabz]

You need to look at your modem logs to see if the modem is connecting and disconnecting from your ISP, or if the connection(s) to your network are the problem.