From your local LAN try pinging your router's gateway IP and your router's WAN IP to try and localize the breakdown.

You can also try turning everything off and waiting for about 10 minutes. Then turn on your cable modem and wait 5 minutes. Next turn on your router and wait 5 minutes. Next turn on 1 of your LAN computers plugged directly into the router, and see if you can ping all relevant IP addresses, including router's gateway, router's WAN, and Comcast DNS IP addresses. If that works try to load a web page. If that works, plug the switch into the router and ping from a local computer through it to see if you can reach all relevant IP addresses.

Regards,

LelandJ


On 5/12/15 7:37 PM, James Harvey wrote:
Hello,

I'm switching from Verizon DSL to Comcast cable, and am having problems.

The Linksys RVS4000 router has worked fine with eh Verizon dsl modem for a
few years.

The Motorola Surfboard cable modem I bought from Best Buy is connected to
the internet and works, but only when using a switch and then only one
computer can connect.

When I add the router into the mix it hands out an IP address, but will not
allow web pages to load.

I tried the MAC clone setting, cloning the MAC address of my laptop, save
the changes, shut everything down, restarted, but no success.

I used Comcast support and they said to do what I've already done, cloning
the MAC address of one computer while connected to the router, but that
doesn't seem to be working.

The Linksys router is a "Security Router", and I was wondering if there is
another setting to try?

TIA

James E Harvey
Spring Grove, PA
717-887-2565


[excessive quoting removed by server]

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