Solved No internet access on third router

October 20, 2012 at 22:58:23
Specs: Windows 7
I have High Speed Charter Internet going to a modem in form of coaxial cable with one Ethernet port available and one coaxial connection for TV and a phone jack. I have that Ethernet port connected to a:

Motorola Wireless Modem
[IP: DHCP: enabled]
wireless on
with four Ethernet ports available.
located next to the modem.

The first of four ports I have connected to a
D-Link (655) router
[IP: DHCP: enabled]
wireless on
with four Ethernet ports available.
two computers connected via Ethernet
located 60 feet from the modem.

The second of the four ports I have connected to a
Linksys WRT54G
[IP: DHCP: enabled]
wireless on
with four Ethernet ports available.
located 60 feet from the modem


1. Are there any obvious errors with this configuration?

2. Why is Linksys the only one not able to access internet?

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October 21, 2012 at 08:24:40
✔ Best Answer
Question: Is there a need for the separate subnets?

If not then I would suggest you connect the downstream router's LAN port to LAN port with the Motorola, and give them LAN TCP/IP settings something like the following:

Router 2 (D-Link)
SM: same as Motorola
Default Gateway:

Router 3 (Linksys)
SM: same as motorola

If you have to have separate subnets for some odd reason, then you must have something configured incorrectly because your setup looks good to me. The only thing I can't see is the WAN port configuration on the could have something incorrectly configured on that interface (gateway address or maybe subnet mask). I would compare the WAN settings on the Linksys to the D-Link. The only setting that should be different is the actual IP address. The rest should be the same.

The route from to should be created by default on the Linksys router and it should work. I would say look at the routing table and if that route looks correct, I would say reset the Linksys to factory defaults and try reconfiguring it again.

I have a "how-to" guide I wrote that may help. To see it, click on my name above in my response and look for the "adding a second router" how-to.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***

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October 23, 2012 at 03:06:19

Is internet available now on 3rd router


*****Edited by Moderator*****

Removed the advertising link you put in your post.

edited by moderator: removed advertising link

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October 30, 2012 at 19:09:28
I got it working! Turns out there was no internet running to my 3rd router. Reason being, faulty cat 5e ethernet cable. I must have done 30 trips up and down my crowded attic!! Finally I ran store bought cable and it worked great! With the configuration I posted. Thanks guys for your speedy reply, I'll do my part by answering people's question!

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October 31, 2012 at 00:05:05

This discussion is good for me too. I got useful information.


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