A few months ago, I had a new router installed. The ISP took care of it. I'm not exactly sure how these routers are connected together. Pictured is the box (I'm guessing some kind of cheap switch) the cat 6 cables are connected to. Picture is below.

  1. Yellow cable is WLAN.
  2. Black cable goes to my upstairs router (has not wireless network).
  3. Blue cable goes to my downstairs router (other blue cable goes to phone).

I'm trying to figure out how to get the two routers to play nice together. The black router has gateway of Blue router gateway is Blue router can see black router at The blue router can somehow see one of the devices on but not others. I don't know why.

I tried setting up a static route on the blue router to the black router.

  • Interface set to LAN
  • Target set to
  • Netmask set to
  • Gateway is set to

The static route is showing up on blue router but it still can't see the devices on 10.0.0.*


enter image description here

  • 1
    The pictured box looks like a mini patch panel – it just provides an independent jack for each of the blue cables. A switch would require a power supply. Could you clarify what sort of phone (and into what jack) the other blue cable goes to? – grawity Apr 11 at 7:55
  • Could you also clarify what you mean by "router ... has gateway"? Do you mean those are the routers' own addresses, rather than their configured gateway addresses? – grawity Apr 11 at 7:56
  • One blue cable goes to phone modem. Other goes to the downstairs router. When I say it has a gateway, I mean it has a gateway IP. So my upstairs router, which is hardwired into my computer, has gateway ip of The upstairs router connects to downstair router through – StevieD Apr 11 at 8:16
  • What are the routers' own IP addresses on both interfaces (each router's WAN address and LAN address)? And what kind of phone modem is that? – grawity Apr 11 at 8:17
  • Upstairs router doesn't have a WAN address. Downstairs router has IP address provided by ISP. LAN address of upstairs router is from within my upstairs. Downstairs router sees the upstairs router at IP address of downstairs router is – StevieD Apr 11 at 8:23

So I ended up moving the upstairs router from "Router mode" to "Bridge mode." Things work much more smoothly now than having the routers on two different networks. Now every device, including the bridged router, has an IP of 192.168.1.*.

IMPORTANT NOTE: You don't use the WAN port when the router is in bridge mode. All devices get plugged directly into the LAN ports. Took me a few minutes to figure that out.

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