"No Internet Access" on wireless repeater bridge
My network consists of a 2Wire DSL gateway/router with an XP wired client and a Win7 wireless client, with everything working normally. I added a wireless repeater bridge using DD-WRT installed on a Linksys router. Connecting via the bridge works perfectly using WinXP, my iPod Touch (iOS4) or a Linux client, but with my Win7 laptop I get "No Internet Access". The same result whether I connect to the bridge using wireless or wired. I have also tested using a Vista client, same result. When I am connected Win7 - Bridge, I can access shares/printers on my wired client (via bridge - gateway/router) but I can't ping the gateway/router. IPCONFIG looks normal, with good IP, gateway and DNS addresses. Connecting directly to the gateway/router works normally. So, to summarize: My bridge works fine with XP, Linux or iOS clients, but not with Windows 7 or Vista When connected to the bridge with Win7, I get "No Internet Access", and I can't ping the gateway/router, but I can access the rest of the network, via the same gateway/router. I've tried: updating drivers (even though wired and wireless have the same problem) Safe mode Disabled Bonjour Fixed IP address on client and many other things found on web boards. Looks to me like Win7 is looking for something that XP, Linux, etc. doesn't care about. Any suggestions?
July 24th, 2010 7:37pm

Have you disabled IP6 on the NIC's?? if not give that a shot
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July 24th, 2010 10:38pm

Have you disabled IP6 on the NIC's?? if not give that a shot Yes, I have .... no effect. In fact, Win7 doesn't seem to allow you to uninstall IPv6, just uncheck the box in the NIC properties dialog. So I edited the registry to set: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters] “DisabledComponents”=dword:000000ff Which is supposed to turn of everything IPv6 related. Still no joy.
July 25th, 2010 6:24pm

Ok let me clear up something first. A "bridge" in wireless networking is a device which connects to a network and allows devices to connect behind it. the bride would be the deive connecting to the SSID and the devices behind it are connecting to the bridge device (in most cases via ethernet cable) A repeater (which is most cases only work with wireless gear from the same vendor) takes a weak signal and rebroadcasts it for better coverage. So the Ipconfig /all from the win 7 connected via the repeater, what does it show as the DNS?? Can you ping a IP address (208.67.222.222) If so then you are getting a good DNS, to test at the cmd line type nslookup press enter...what comes back??? an error I am guessing, if so then type .....server 208.67.222.222 and then type abc.com it should return the abc.com IP. if that works then you just need figure out why the repeater is not passing a good DNS or just hardcode a good DNS on the clients. A better to expand your wifi network. http://www.open-mesh.com/store/ one of if not THE BEST ways http://meraki.com/
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July 25th, 2010 10:56pm

Ok let me clear up something first. A "bridge" in wireless networking is a device which connects to a network and allows devices to connect behind it. the bride would be the deive connecting to the SSID and the devices behind it are connecting to the bridge device (in most cases via ethernet cable) A repeater (which is most cases only work with wireless gear from the same vendor) takes a weak signal and rebroadcasts it for better coverage. So the Ipconfig /all from the win 7 connected via the repeater, what does it show as the DNS?? Can you ping a IP address (208.67.222.222) If so then you are getting a good DNS, to test at the cmd line type nslookup press enter...what comes back??? an error I am guessing, if so then type .....server 208.67.222.222 and then type abc.com it should return the abc.com IP. if that works then you just need figure out why the repeater is not passing a good DNS or just hardcode a good DNS on the clients. A better to expand your wifi network. http://www.open-mesh.com/store/ one of if not THE BEST ways http://meraki.com/ As I said in the OP, this bridge works perfectly for XP, Linux and iOS4, so obviously it's passing good DNS. IPCONFIG shows the correct DNS, Gateway and IP addresses. I can't ping anything outside of my local network, including the gateway/router.
July 26th, 2010 1:31pm

Post an Ipconfig /all from the win 7 and a working box so we may see them also what did you set the network as home / work / public?? Have you run " netsh winsock reset " at the cmd line?
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July 26th, 2010 3:12pm

Post an Ipconfig /all from the win 7 and a working box so we may see them also what did you set the network as home / work / public?? Have you run " netsh winsock reset " at the cmd line? OK, I hope you can see something wrong wiyh the IPCONFIG (below), 'cos I sure can't. Network is set as "Home" Yes, I have tried netsh winsock reset My IPCONFIG: Microsoft Windows [Version 6.1.7600] Copyright (c) 2009 Microsoft Corporation. All rights reserved. C:\Users\Mike>ipconfig /all Windows IP Configuration Host Name . . . . . . . . . . . . : Mikes-Laptop Primary Dns Suffix . . . . . . . : Node Type . . . . . . . . . . . . : Broadcast IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No DNS Suffix Search List. . . . . . : gateway.2wire.net Wireless LAN adapter Wireless Network Connection 2: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter Physical Address. . . . . . . . . : 00-24-2C-63-AA-5A DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes Wireless LAN adapter Wireless Network Connection: Connection-specific DNS Suffix . : gateway.2wire.net Description . . . . . . . . . . . : Dell Wireless 1397 WLAN Mini-Card Physical Address. . . . . . . . . : 00-24-2C-63-AA-5A DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes IPv4 Address. . . . . . . . . . . : 192.168.1.68(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Lease Obtained. . . . . . . . . . : Monday, July 26, 2010 12:32:14 PM Lease Expires . . . . . . . . . . : Tuesday, July 27, 2010 12:32:14 PM Default Gateway . . . . . . . . . : 192.168.1.254 DHCP Server . . . . . . . . . . . : 192.168.1.254 DNS Servers . . . . . . . . . . . : 192.168.1.254 NetBIOS over Tcpip. . . . . . . . : Enabled Tunnel adapter Local Area Connection* 11: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : gateway.2wire.net Description . . . . . . . . . . . : Microsoft ISATAP Adapter Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes Tunnel adapter Teredo Tunneling Pseudo-Interface: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes C:\Users\Mike> C:\Users\Mike>
July 26th, 2010 5:37pm

An additional piece of information ... I have discovered that if I leave it for about 30 minutes, it will start working normally. BUT if I reboot or try to switch connections the problem is back. This is really getting frustrating. Apart from IPv6, what did MS put into the networking protocols in Vista and Win7 that was not there in XP?
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July 26th, 2010 5:41pm

Hi mike - I just want to say I'm having the EXACT same problem as you are - and I've been having this for at least 6 months - i keep checking the internet for new posts but as of yet i've not seen anything. I have a wireless router connected to the internet - it broadcasts via WDS to a secondary wireless access point and I'm using WEP encryption for this bridge - (ok some call it repeater - and it is - although the actual wireless connection is technically a bridge) - and they both have different SSIDs (ONE (connected to internet) and TWO (the second repeater)) When I connect from XP, Windows 7, or any Microsoft workstation to "TWO" it hangs on getting a DHCP IP address - eventually it does get a correct IP - you have to wait roughly 2 minutes - and it takes much longer than my linux machine. Then - of course - even with the correct IP settings - its unable to ping anything - not the default gateway nothing - I've installed a wireless utility on one of my workstations and it reports CRC errors - roughly 90% on all the traffic received are CRC errors (Cyclic Redundancy Check errors) When I connect those same workstations directly to the wireless access point "ONE" they work fine without a hitch. My girlfriend has a windows 7 laptop - and for some reason she's able to connect to "TWO" without a problem I also had an XP machine which also connected to "TWO" until it had updated itself via automatic updates - and since then I've been unable to connect to "TWO" - even after removing all the updates, although there were 2 (seemingly unrelated updates) which couldn't be uninstalled. So - i've reinstalled now with windows 7 and it doesn't work - my sister's laptop also won't connect to "TWO" - she has windows 7 and when she first got it it connected fine - but just stopped working for no apparent reason. I have another HP laptop and it also doesn't want to connect (but it used to). Only my linux machine works 100% - i'm sending this post connected to "TWO" This problem has had me crazy and I blame Microsoft. I've come accross posts which say if KB81something something is installed then WEP encryption goes into a ballistic state which causes this problems - yet i've not found any KB's starting with 8 on any of my machines. So - my M$ machines have no internet - and they all have to go through my linux machine to gain access - Really frustrating and pathetic - if you come across a solution somewhere i'd be delighted!
October 14th, 2010 9:52am

I have the same problem with a vista ultimate 32bit machine. Using a buffalo gaming adapter with 4 ports programmed with DD-WRT as a bridge from my 2wire wireless DSL modem for the vista machine, wired. When I power on, the machine will not connect to the network properly. I have noticed that it will connect on its own if I give it enough time. What i have found it that it will get an IP address immediately, but cannot get to the internet. If I load the buffalo device status page (got to its IP address 192.168.10.102) and then the 2wire gateway (192.168.10.1) it will load the buffalo, but not the 2wire. After attempting to load each back and forth the 2wire will finally respond and I will have full web. I have noticed that sometimes it drops out with gmail, google voice and sometimes google home page. Otherwise it will generally remain stable. One thing I have noticed that is common in all of the complaints of this kind that I have found on the web (with no solutions) is the offending gateway device is a 2wire and the computer is running vista or win7. I am wondering if there is some network discovery process in the newer OSes that the 2wire does not handle properly. Same results as other for linux and XP machines -- no networking problems.
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November 19th, 2010 3:34pm

I did the a similar thing. I bought a Buffalo wireless extender and tried to connect to an AT&T u-verse router. This device has 4 wired ports and connects to a wireless router. Everything else except my windows 7 PC can connect. I plug XP into the router and it works right away. Windows 7 is flaky and only works sometimes. When I boot it it will not connect but after 3 minutes it will finally work... then an hour later it may stop working again. When it does not work I can I can ping every system in my house except the gateway. If this were a link problem then why can I ping everything else? I also get errors complaining about a duplicate IP but I have static assignments to every device and I have verified that there is no conflict. Interestingly I recently updated the Realtek gigabit wireless driver and it has not worked since. It was so flaky before I can't be sure this made it worse. One thing I noticed is that before I updated the driver the device list on the router looked like this. OfficeBridge 00:24:a5:44:b2:ba 192.168.1.68 Device Details Wendy-PC 00:24:8c:6e:fe:bf unknown Device Details After updating the driver it looks like this OfficeBridge 00:24:a5:44:b2:ba 192.168.1.64 Device Details Wendy-PC 00:24:8c:6e:fe:bf 192.168.1.68 Device Details The second configuration has the correct IP's but the first one is the one that works sometimes. Chad.
December 6th, 2010 6:53pm

Ok. I think I have made a little progress. When I disable DHCP and manually configure the Windows 7 PC it seems to work. Try this workaround if you get a chance. Interestingly the router device list shows the name of the bridge as associated with the IP of the PC. There is also an "unknown" IP address without a name. It's not perfect but it is working for now. Chad.
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December 6th, 2010 7:27pm

i have same problem with edimax 7206apg repeater (latest firmware installed). this repeater connected to a adsl modem via wireless wihich has wpa-psk- wpa2-psk (mixed mode) protection (both of them dont have mac adress protection). when i connect my pc to adsl modem it connecting to internet via wireless. but when i connect my pc to repeater (via ethernet and also via wireless) it can not connecting. it takes ip but says no internet. (in xp sp3 i can connect to internet via repeater (ethernet and wireless both of them works)). i also try with windows 7 sp1 rtm and closing windows firewall changing network type (home etc) but nothing changed. what can be the problem. sorry for my english thanks
February 1st, 2011 1:11am

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