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I run windows 8 on a laptop and use Wifi to connect to a BT HH3. Several times I have lost my WiFi connection when the DHCP lease is renewed, it happened again just a few minutes ago. It usually reconnects after about 0.5-1 minute. Skype IM sessions stop working and attempts to open a web page result in a pause and an error message indicating I am not connected to the internet. The WiFi connection shows zero signal strength. Is this normal? I though DHCP lease renewals were supposed to be transparent to the user? Once WiFi has reconnected I look at the HH DHCP page and that shows a remaining lease of 23:59 for the laptop (as expected).
P.S. The HH is set to always use same IP address for the laptop.
Edited by andysm (Sun 11-Aug-13 12:10:00)
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I have similar issues. You can change it to only renew once every 21 days in the hh3 settings at 192.168.1.254
I've not seen this issue in a while now (probably because when it renews I'm not online) whereas when it was daily I saw it once or twice a week
My wireless didn't drop but I had to disconnect and reconnect to the wifi to make it work again.
Edited by ukhardy07 (Sun 11-Aug-13 14:36:06)
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Is this normal? I though DHCP lease renewals were supposed to be transparent to the user?
They normally are. Could you be running firewall software that is blocking DHCP renewal ?
James BT Infinity 2 19/09/2012 - Sold 42/6 - Getting 46/10 - Sync 54 / 11 Mbps @ 470m approx
14 years of broadband (ntl: cable to BT FTTC) - Router: Asus RT-N66U - Modem: Huawei HG612 speedtest
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Register (or login) on our website and you will not see this ad.
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I'm using the firewall that is part of Norton Internet Security 2013.
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They normally are but the homehub does have its issues especially with this. At least mine does!
Never had an issue previously on any other router.
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I'm using the firewall that is part of Norton Internet Security 2013.
Don't know it but it sounds like its blocking DHCP renewal. Happens a lot with over zealous security programs 
James BT Infinity 2 19/09/2012 - Sold 42/6 - Getting 46/10 - Sync 54 / 11 Mbps @ 470m approx
14 years of broadband (ntl: cable to BT FTTC) - Router: Asus RT-N66U - Modem: Huawei HG612 speedtest
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if you loose the connection, then of course on re-connection dhcp will get the address again.
need to find why the connection is dropping
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I'm going to change it back to 1 day and try to figure it out. I'm using macs so no security software conflicting here. Perhaps my HH is faulty.
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Happened again a couple of hours ago. Lost WiFi and clicked on the Windows 8 troubleshooting link that appears on the WiFi connection. W8 said it had fixed some problems with the WiFi connection but did not say what the problems were. After it had reconnected I noticed that I had a new 24 hour lease, even though the previous lease should not have expired since it was less than 24 hours since the last lease was granted, the laptop was turned off overnight. Wondering now if it is a problem with my laptop.
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Does it do it on any other device? For me it's every device. I do not lose the wireless signal though, it stays full signal but doesn't work for a while at renewal time. Either I disconnect from WiFi and reconnect or wait it out for a few minutes. It's only on the HH I have this but perhaps my HH is faulty.
What wireless card does your laptop have?
Edited by ukhardy07 (Mon 12-Aug-13 14:30:14)
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Hi, I just did some digging through the event logs and it looks like it may be an issue with Intel Centrino WiFi adapter in my laptop. A google search for the event ID reveals lots of people with the same problem but I was unable to find a solution. I may switch to ethernet.
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Tried the latest drivers?
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Not yet, I'm always a bit wary of updating device drivers.
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Get the latest ones from here https://downloadcenter.intel.com/default.aspx
You can always revert back later if need be 
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Intel® Centrino® Wireless-N 2230
Installed 15.5.6.0
Latest 15.8.0
Updated, will have to wait and see if it is fixed. Thanks for the link.
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Yes, looks like the automatic utility has not been updated with the latest versions. Will try 16.1.1. Thanks again
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Also to play it safe. Change the HomeHub wireless channel
192.168.1.254 - settings - advanced settings - continue to advanced settings - wireless
If this is set to automatic you will see current channel:
Change the channel manually to something different. Only use 1 6 or 11. Do not use a channel in between as this can cause issues.
Choose the highest channel possible first (seems to get less interference generally). So if it's currently on channel 1, choose 11.
Currently on 6 choose 11
Currently on 11 choose 6.
Wireless drop outs are very often down to the wireless channel. Worth doing the drivers & channel together.
Also go to 192.168.1.254 - settings - advanced - continue to advanced - home network - IP address - lease time. Change this from 1 days 0 hours to 21 days 0 hours.
Also 92.168.1.254 - settings - advanced - continue to advanced - home network - under wireless connections select your device - Always use this IP address: - change this to yes - apply.
Now turn the Hub off and on just to ensure all of the settings go through nicely. See how you get along.
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it is nothing to do with dhcp lease times, - you get a new lease every time you connect. - you are confusing cause and effect
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Possibly although I never disconnect as the machines on 24/7. I notice that right at the end of the lease my connection stops working. Sometimes for just 30 seconds, sometimes it needs a full disconnect and reconnect to get it going. Changing the setting to 21 days seems to have solved it for me anyway.
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