I have a cable modem (A) given by my ISP (which has only 1 RJ 45 Ethernet port along with the ISPs cable input port) a modem+router (B) and another router (C). A lan cable connects A to B, another connects B to C, and finally my desktop is also connected to B through lan cable.

All my wifi devices use C's wireless network. Whenever I perform a factory reset on B, evrything works fine and all devices are able to access Internet. But whenever I restart A and B (both share the same power outlet), no device is able to access Internet. Any clues as to what's wrong here?

  • You need to restart A and B in the correct order. A first (and wait until it is fully up) and then B second. – DavidPostill Mar 15 at 8:15
  • @DavidPostill That worked. But the purpose of restarting router was to just simply simulate brief power cuts that happen rarely in my area. Is there a way to automatically delay-start the B router so that I don't have to do this every time? – virmis_007 Mar 15 at 8:45
  • 1
    Not that I know of. If they really are brief power cuts buying a UPS might resolve it for you. – DavidPostill Mar 15 at 8:47
  • @DavidPostill Also, I cannot access B router's settings when I have internet access, but can access settings it when there is no Internet access. – virmis_007 Mar 15 at 8:47
  • IP address is different? – DavidPostill Mar 15 at 8:49

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