Router and Comcast Account

We have a Comcast business account at the church.  I would like to change the router that is connected to the Comcast cable modem.  We presently have a Netgear WPN824 v3 connected to the cable modem.  I match all the Internet settings that the Netgear has to the Amped router I would like to replace it with except that the Netgear has a area for an account name, while I have not found anywhere on the Amped router to enter an account name.  Does anyone know anything about Comcast and how their router and modems are set up and if it is possible to replace the Netgear router with an Amped router?  When I connect the Amped router to the modem it shows as connected to the Internet on its status page, but I cannot access the Internet from a computer and it says it is unable to communicate the DNS.  Thanks for any help or information you can give me.
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JohnBusiness Consultant (Owner)Commented:
You generally do not need Account name to connect a router to an ISP's modem.

Make sure the Netgear router is disconnected when you connect the Amped router.  Turn off the modem, turn off the Amped, connect the WAN port of the Amped to the modem port. Turn ON the modem, wait 30 seconds and then turn ON the Amped. This resets the modem, because some modems liked to have a knowledge of what device was attached.

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Dave BaldwinFixer of ProblemsCommented:
Also, some Comcast modems have required you to connect first from the computer that was used to setup the connection before you can connect a router to it.  Plug the computer directly into the modem and see if that works.  If it doesn't, then the Netgear may have been using a 'cloned' MAC address from the original setup.  If you can't get the computer to work directly to the modem, you may have to call Comcast and get their help to reset things.
AkinsdNetwork AdministratorCommented:
Reset the comcast modem.

Most comcast modems store the mac address of the device connected to it which disallows the modem to form a neighbor relationship with another router. This is by design as login is not required on their modems

Look for the reset button on the comcast modem and reset it.

Turn off both modem and router
Turn the modem on, wait about 3 to 5 minutes, then turn your on your router.

Some ISP require username and password if your connection is PPPOE
Comcast extend their network (Ethernet Handoff) directly to you and does not require login.

I just had to clear the confusion of ISPs
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If you turn off the modem and old router for a couple hours, hook up the new router in the interim and after the couple hours are up, turn on the Comcast modem... then 5 minutes later the new router, it should all work... that way you should not have to clone the MAC address (i.e. it should then accept the new router's MAC address as its default MAC).
Bill2802Author Commented:
Your advice worked great.  I got the system up and running.  Thanks.
JohnBusiness Consultant (Owner)Commented:
@Bill2802 - Thank you and I was happy to help.

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