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Setting up Comcast High Speed Internet with a Linksys Router ?

Learn the procedure for setting up Comcast High Speed Internet with a Linksys Router.

Procedure to connect your cable modem to the Router

  • Try connecting directly your cable modem without router and check if you can get online.

  • Once you've verified that you can get onto the internet without the router please proceed. If you cannot, please contact your ISP for further assistance.

  • Now unplug the Ethernet cable that connects to your DSL modem from the back of your computer.

  • Take the connection that you just unplugged from the back of your computer and connect it to the WAN port of the router.

  • Take a different Ethernet cable and plug it into the port closest to the WAN port, or into the LAN port.

  • Look at the front of the router.   The following lights should be illuminated.
  1. Power
  2. WAN Link
  3. Link/Act (On the port that you connected your computer to)

NOTE: If lights other than Link/Act are illuminated on this port, that is normal.

You may have a few other lights illuminated depending on the model number router you have, but the 3 above must be illuminated for proper connection.

  • Hold the Reset button on the router for 30 seconds or more

  •  Restart your computer

Checking the MAC address of your Computer

Please follow these steps from the computer that was connected directly to the internet without the router.  If you do not, then you may not be able to connect to the Internet properly.

            A. Windows 9x/ME

1.      Click on the Start button and click on the Run option

2.      When the 'Run' window opens, please type in winipcfg. Click the OK button

3.      When the IP Configuration comes up, click on the gray box the black arrow and select your Ethernet card.

4.      Please make note of the "Adapter Address"

            B. Windows 2000/NT/XP

1.      Click on the Start button and click on the Run option

2.      When the Run window opens please type in cmd and click the OK button

3.      When Command Prompt appears type in ipconfig /all

4.      Please make note of the "Physical Address"

Configuring the Router

1.      Go to your desktop and double click on Internet Explorer (Located on the Start Menu in Windows XP).

2.      When "Internet Explorer" opens type http://192.168.1.1 into the "Address" bar and click on Go.

3.      The "Enter Network Password" window will appear.

4.      Skip user name and type admin (admin is the default password) as the password, and click OK.

5.      By default the router will be set to Obtain an IP Address Automatically.

6.      Click on the Advanced tab.

7.      Click on the Mac Addr. Clone.

8.      When the page loads, input the Adapter/Physical Address you made earlier and input it into the proper fields.

9.      Click Apply

Finishing the Setup

1.      Shut down your PC.

2.      Unplug the power from the back of the router.

3.      Unplug the power from the modem.

4.      Wait for 30 seconds.

5.      Power up the modem.

6.      Wait for the lights to stop blinking.

7.      Power up the router.

8.      Start up your computer.

9.      Surf the Internet.

copyright © 2010, IPTouch, Inc.

 

 

Comments
  • Posted by: georgebush_5967 at 10 Aug 16:32 permalink
    worked great for WRT54G linksys router connecting to a vista computer... up yours comcast
    • Posted by: shymae_ph_3192 at 07 Oct 00:35 permalink
      This really helped a lot. Nice post.
      • Posted by: shymae_ph_3192 at 07 Oct 00:36 permalink
        This really helped a lot. Thanks for this post. :)
        • Posted by: avin_cleve_6207 at 19 Jan 22:10 permalink
          I fixed this problem.....follow these steps to fix this

          for windows xp/vista

          connect your comcast modem to pc and enter these commands:

          go to run command prompt -> ip/release
          -> ip/renew

          unplug from your pc and connect to router: depending up on your router login with user id and password ( linksys default userid/password: admin/admin)

          this will login to your router console:

          go to setup -> clone mac address for your pc-> clone mac address

          these steps worked for me....
          • Posted by: xforce10x_5191 at 28 Jan 20:07 permalink
            thank you so much! googled my problem, found this article, and worked like a charm. much appreciated!
            • Posted by: apocolypticdreams69_3933 at 06 Jul 20:34 permalink
              My hubby and I have had a LOT of problems with our BEFSR41 linksys router. WE have windows and recently switched from at&t to Comcast. My hubby... who works IT, couldn't fix it. He told me to try while he was at work. Two min later I have it going!!! It's all thanks to this article... it was perfect!!! Thank you so much!! I would recommend this to everyone!!!
              • Posted by: apocolypticdreams69_3933 at 06 Jul 20:35 permalink
                My hubby and I have had a LOT of problems with our BEFSR41 linksys router. WE have windows and recently switched from at&t to Comcast. My hubby... who works IT, couldn't fix it. He told me to try while he was at work. Two min later I have it going!!! It's all thanks to this article... it was perfect!!! Thank you so much!! I would recommend this to everyone!!!
                • Posted by: rannidayz69_679 at 13 Jul 11:30 permalink
                  thank you so much helped tons
                  • Posted by: rannidayz69_679 at 13 Jul 11:30 permalink
                    thank you so much
                    • Posted by: norm.w.wallace_4365 at 05 Mar 20:36 permalink
                      These instructions are quite good with one exception - my setup using a WRT54G Linksys router with a Comcast-provided Arris Touchstone TM502G/CT telephony modem required the Host Name block to be populated on the Basic Setup page. Without this, my computer could communicate with the router and the router could communicate with the Internet but the computer would not communicate with the Internet through the router. This host name had not been required when I previously had used this router with a Comcast regular cable modem or with a Verizon DSL modem but it apparently was to make it work with the telephony modem and the host name requirement was not evident until I ran the Linksys Wireless-G Setup Wizard CD that came with the router. When I ran the router setup and followed the instructions the setup gathered information from the modem, added a host name in the basic setup, enabled the MAC clone function and populated the MAC address with the physical address of my ethernet card like this article instructs. Once the setup was complete, I immediately was able to access the Internet from any computer hard-wired to the router as well as wirelessly.
                      • Posted by: themerritts_7524 at 19 Mar 19:28 permalink
                        Thank you very much for the posting. The one step you add that the other sites did not (including Linksys) is the hard reset. That was the missing link for me. All the setting were the same, but somehow that made a difference. THANK YOU!