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[markashy]

Ok, so this is a very weird problem, I understand.

Currently I have a Comcast business modem connected to my d-link.  I then have the d-link feed a WiFi network and go into a switch to feed my other computers via ethernet.  Everything works fine.

I activated (through comcast) a new Surfboard SB 6183 modem (replacing the current comcast modem) and connected it to the d-link.  I get internet via Ethernet all over the office to those computers connected via ethernet, so I know my router is getting internet, and I see my same WiFi SSID, HOWEVER, I can connect to the wifi network, BUT I don't get internet access. I have tried 3 devices, an android phone, an android tablet, and an iPad, all do the same thing..connect to the network, and have no internet access.

What could my new modem not be providing that my old one did, that would cause only wifi from the d-link to not allow internet access???And how do I fix it?

I do see that the comcast modem has LAN DHCP enabled, but I don't think the sb6183 has that option.  That said, the d-link has it enabled as well.


I have no idea what to do!!  Please help!!

[FurryNutz]

ink>Welcome!

• What Hardware version is your router? Look at sticker under the router case.
• Link>What Firmware version is currently loaded? Found on the routers web page under status.
• What region are you located?

Router and Wired Configurations
Some things to try: - Log into the routers web page at 192.168.0.1. Use IE, Opera or FF to manage the router. Besure to log into the Admin account on the router.

• Setup DHCP reserved IP addresses for all devices ON the router. Setup/Networking. This ensures each devices gets its own IP address when turned on and connected, eliminates IP address conflicts and helps in troubleshooting and maintain consistency for applications that need to connect as well as mapped drives.
• Ensure devices are set to auto obtain an IP address.
• If IPv6 is an option on the router, select Local Connection Only under Setup/IPv6.
• Set Firewall settings to Endpoint Independent for TCP and UDP under Advanced/Firewall. Enable or Disable SPI to test.
• Enable uPnP and Multi-cast Streaming under Advanced/Networking. Disable uPnP for testing Port Forwarding rules. Enable IPv6 Multi-cast Streaming for routers that have a Media Server option. Disable IPv6 Multi-cast Streaming if IPv6 or Media Server is not being used.
• Turn off WISH, and WPS under Advanced.
• WAN Port Speed set to Auto or specific speed? Some newer ISP modems support 1000Mb so manually setting to Gb speeds can be supported by the router. Advanced/Advanced Networking/WAN Port Speed
• Set current Time Zone, Date and Time. Use an NTP Server feature. The DST setting is only needed in the NA region. Tools/Time.

 
Wireless Configurations
Links>Wireless Installation Considerations and Managing Signal Congestion and Good Neighbour Policy

• Ensure the default (dlink) SSID name is changed. Ensure that different SSID names are used between each WiFi 2.4/5Ghz radios. Can be anything and not something that's already in use by any neighbouring WiFi routers. Under Setup/Wireless/Manual.
• What wireless modes are you using?
• 2.4Ghz Routers only: Try single mode G or N or mixed G and N?
• Channel Width set for Auto 20/40Mhz or try 20Mhz only.
• Try setting a manual Channel to a open or unused channel. 1, 6 or 11. 11 for single mode N if the channel is clear. 13 for EU regions.
• What security mode are you using? Preferred security is WPA-Personal. WPA2/AES Only. Some WiFi adapters don't support AES, so you might want to try TPIK only or Auto TPIK and AES.
• Ensure any devices with WiFi adapter drivers are updated.
• Any 2.4Ghz or 5Ghz cordless house phones or WiFi APs near by that maybe causing interferences?
• Any other WiFi routers in the area that maybe causing interferences? Link> Use InSSIDer to find out. How many? Use v3, its free.
• If you have any of these options, Try turning OFF or ON Short GI, WLAN Partition, Extra Wireless Protection and HT 20/40 Co-existence if you have it. Also testing with HT20/40Mhz Co-existence enabled will impact results as well. I prefer to use this option OFF. Recommended settings are default. Under Advanced/Advanced Wireless.

[markashy]

What Hardware version is your router? Look at sticker under the router case.  I am on hardware A3
Link>What Firmware version is currently loaded? Found on the routers web page under status.  Firmware Version :1.33NA,  2010/01/19
What region are you located?  Located in North America, Florida, United States

I tried updating to the newest firmware, and it looked like it took, BUT, when it rebooted itself, it said the same firmware

I appreciate you being willing to take a look.

I will definitely be reading your post on what to do with the settings!

[FurryNutz]

Let us know how it goes..