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Issue with two wired routers on same network

U

ultimateguy

Junior Member
I have an ASUS RT-N16 with TomatoUSB (router 1) which is my primary router connected to the internet (IP: 192.168.1.1). My second router is a Linksys WRT-54GL (router 2) with Tomato (IP: 192.168.1.2). I want to be able to connect devices to both routers and have all devices on the network be able to communicate with each other.

My problem is that the devices connected on the second router can't seem to communicate beyond that router. For example, if I plug into router 1, I can access the config for router 2. But, if I connect to router 2, I can't access router 1, or connect to the internet.

On router 2, I have disabled the DHCP server and changed the default gateway and DNS fields to 192.168.1.1.

Strangely, if I plug my laptop into router 2, it does get assigned an IP of 192.168.1.147. So it seems while router 1 is successfully assigning my laptop an IP, I still can't communicate past router 2.

What am I missing?
 
-Is the cable connecting router 2 to router 1 going from a LAN port to a LAN port? (ie, don't use the WAN port on router 2)

-Router 2 is acting as a passive swich, you already have DHCP disabled(double check this), disable the firewall, disable the WAN, disable DNS (you shouldn't need this enabled on router 2)

for the lan settings on router 2, just put the static IP and a subnet mask. it shouldn't be managing any traffic.
 
I have figured out that the problem is with my power line Ethernet adaptors that serve as a connection between the two routers. The setup works when I remove those from the equation. Pretty annoying since the 2nd router is too far for WiFi - I guess my only alternative is to run a long cat6 cable to the second router. Sometimes I just hate networking.
 
You could always try some power line troubleshooting..which model are you using? have you tried a different outlet?
 
It's a Belkin model. All the other devices I plug into it work fine... I think the problem is that the adapter near the 2nd router has 3 ethernet ports so there is some branching between the two routers rather than one direct connection.
 
The adapter near router 1 has one ethernet port, that one is the Belkin F5D4077.

The one with 3 ports near router 2 is Belkin F5D4081. Both came in the same package.
 
If you plug a computer/laptop into each end of powerline run, can you ping from end to end? you will have to set a static ip on each end.
 
Pinging from router 1 end of powerline: fail

Pinging from router 2 end of powerline: success

Makes sense, given my problem. The computer on router 2 end can't send a reply through the powerline.
 
regardless of your current powerline problem, did you already following the directions from post2 and post3?

I see you have said you disabled DHCP, but did you make sure to NOT use the WAN port on router 2? (WAN router 2 should be empty). I think your setup is good, but I wanna make sure.
 
Powerline networking has some strange quirks, for one all the outlets must be on the same leg on the incoming power (3 legs in )
 
Yeah, lots of houses have 3-phase power, but the outlets in rooms only use 2 of the 3. This might cause one side to be able to transmit and not the other.

I dislike powerline networking. Never really had much luck with it, always dropped when using certain electronics in the house. Less reliable than Wifi, in many cases.

Go with the CAT6 and don't look back. Annoying, but best practice.
 
SecurityTheatre said:
I dislike powerline networking. Never really had much luck with it, always dropped when using certain electronics in the house. Less reliable than Wifi, in many cases.
Click to expand...

QFT, Powerline Netwrking is simply a "crapshoot".

Always buy easy to return powerline hardware.

If it works fine. Otherwise do not waste any extra seconds, return it and use other Networking devices/means.



😎
 
Thanks for all the help guys. Looks like I'll have to run some cat6 close enough so that I can at least get a WiFi signal. I'll have to come up with a creative way to run it through the kitchen... hope my roommate doesn't mind. :\
 
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