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TWC and Airport Extreme Base Station

Posted on 2007-10-07
Medium Priority
Last Modified: 2013-12-27
After disastrous Customer Service experience with Verizon I signed up for Road Runner. They gave me a Toshiba Cable Modem It works flawlessly with a direct connection to Power Mac G$ Dual 1.25.

The problem is I cannot make it work with my Airport Extreme. Whilst not an expert I have some knowledge and had no trouble making this work with Verizon DSL.

Any help gratefully received.

Question by:slappa52
  • 2
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Expert Comment

ID: 20031693
Try setting up your modem in BRIDGE mode. Normally you should an IP-address from the DHCPserver of your provider.


Make sure you have disiribute IP-adresses off (meaning your DHCPserver disabled)

Author Comment

ID: 20032236
The Modem is in Bridge mode but as I have the latest AEBS the software is a little different to that which I saw on your link. I don't see where to disable the DHCP server. At this point nothing has changed i.e. No network.

Also IP address is but Airport Utility told me it was  ????????
LVL 53

Expert Comment

ID: 20033468
Unless your Toshiba modem is also a router, you do NOT want the AEBS in bridge mode. Switch it to NAT mode instead. Then make sure PPPoE is OFF in the network settings of your MAC.

Expert Comment

ID: 20039765
If there is only 1 PC connected to the cable modem, you can put it aswell in bridge. Then you get the unique IP of Verizon. If you want to share your connection with multiple computers, use the NAT indeed.

the IPaddress is your external IP. the is your internal IP.

Accepted Solution

slappa52 earned 0 total points
ID: 20046107
There are three macs on the network. I have TWC Roadrunner not verizon. The network does not work in bridged or NAT mode only with a direct connection between the Cable modem and one computer.

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