Obi100 No longer working with TWC after switching modems
Bubba:
Hi Guys,
Hopefully someone can help me with my problem. My Obi100 was working fine with Google Voice integration until I was forced by Time Warner Cable to switch modems. Rather than pay the $4 monthly charge to rent their modem, I dug out my old Motorola Surfboard SBG900 modem, and I'm using it with a D-Link router.
Because the Surfboard SBG900 modem is a "modem" and a "wireless B/G router" in one, I had to disable the wireless functionality of the modem so that I could take advantage of the faster "N" speeds my D-Link Router could handle. That and resolve the conflict of having two wireless devices fighting for control of my network. My D-Link router also provides extra ports I need to support my Airave (Sprint), and Roku.
But ever since I added this older modem and router combination, my Obi100 device doesn't work. Can anyone suggest solutions to this problem?
MikeHObi:
I think the problem is that your two device are fighting with each other. The SBG900 as far google could tell me is not capable of acting as a bridge, I can't see away to disable the wifi, and in general seems to be pretty restrictive. By itself it would probably be no problem, but with your new router, you're gonna have to configure the new one to stay out of the way of the older one.
I.e. turn off the D-Link router use of the B and G frequencies and have it be N only. Turn off DHCP and NAT on your D-Link router, leaving it on the SBG900. Turn off any firewall on the D-Link, the SBG900 has one of those as well. It is that firewall that may be causing you issues with your Obi. Make sure your d-link router gets a static IP address and the SBG900 should be issuing out the DHCP leases. You may need to use the NAT pass through of the SBG900. There you can enter the Obi's MAC address and tell it to add it as a DMZ client. That will essentially put the obi directly on the net.
giqcass:
The D-Link should be assigned a static IP address. Try putting the D-Link Routers IP address in DMZ on the Motorola Surfboard SBG900. DHCP can be turned off on the Surfboard or left on. Turning it off may prevent conflicts. The D-link will use the IP address of the surfboard as it's gateway address. Also make sure the two routers aren't causing conflicts by being on the same subnet. If one uses 192.168.1.1 then put the other on 192.168.2.1. They can use the same subnet mask of 255.255.255.0
Use your cable companies DNS servers or use Google's open DNS servers 8.8.8.8 and 8.8.4.4 on the D-link.
Allow the D-link to serve DHCP as normal or if you like set up static addresses.
Bubba:
Thanks for the replies guys.
My one chance for hope was putting the Obi's MAC address in the DMZ of the modem (NAT pass through), but that didn't work.
As for the subnet issue, I solved it earlier by making my modem 192.168.100.1 and making my router 192.168.0.101. That got my other wireless devices connected to the internet just fine (at "N" speeds, so I know I'm connected to the router and not the modem). The only holdout is the Obi device.
MikeHobi, the SBG900 is issuing the DHCP leases already, but giqcass, you're saying to have the router serve the DHCP. If I turn DHCP "on" on the router, wouldn't that cause a conflict between the two devices?
Felix:
As much as I hate those integrated modem/routers, I wasn't able to turn off router on my modem either (that is, put it in the bridge mode). I turned off wireless on the modem, but turned my router into Access Point - that is, turned off routing capabilities on the router. I am still mourning this defeat - but I think anything else would cause even more problems...
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