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Internet disconnects at exactly 11:40pm each night - Page 2

post #11 of 28
My bet is option 3. It's more like once a month, but I notice Comcast resets my connection at midnight occasionally. Usually I'm playing TF2, the connection drops and I see the router lights change status briefly and then it reconnects.
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post #12 of 28
Quote:
Originally Posted by bratas View Post

Final thought is it could be the DHCP lease time if it is set to 24hrs

Leases don't generally expire and drop from the client though. As long as its connected, it should renew the lease well before it expires.
post #13 of 28
Quote:
Originally Posted by yanks8981 View Post

Leases don't generally expire and drop from the client though. As long as its connected, it should renew the lease well before it expires.

I've seen this exact thing happen though. My grandparents router had a tendency to drop the connection, at the exact moment the DHCP connection expired. When you connected directly through the modem, there were no issues.
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post #14 of 28
Thread Starter 
If my ping test passes and doesn't lose connection at that time, or I don't have an IP switching issue on DCHP, then I will probably need to wait until tomorrow night (thursday) to test directly through the modem. Good advice!
post #15 of 28
I had a similar issue when i was 16. I found out my moms BF would disconnect the cable to the house when he left for work at 3 am so i would go to bed frown.gif
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post #16 of 28
Quote:
Originally Posted by SOCOM_HERO View Post

If my ping test passes and doesn't lose connection at that time, or I don't have an IP switching issue on DCHP, then I will probably need to wait until tomorrow night (thursday) to test directly through the modem. Good advice!

Assign a static IP, that should identify if it is a DHCP issue on your router. If it turns out it is the router then you could try flashing it. Personally I would just go get a new router if it is the case.
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post #17 of 28
Quote:
Originally Posted by gonX View Post

I've seen this exact thing happen though. My grandparents router had a tendency to drop the connection, at the exact moment the DHCP connection expired. When you connected directly through the modem, there were no issues.

That sounds weird. DHCP will try to renew at halves up until the lease expires.

I would imagine some crappy devices likely have crappy implementations, such as a DHCP service that would respond to DHCPREQUEST messages that are broadcast for the initial allocation of an IP, but potentially ignore the direct unicast requests that a renewal would encompass..
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post #18 of 28
working for a major mso I can tell you all major cable operators and a lot of cell phone companies have their maintenance windows set to 12am to 6am usually. If it is happening at 1140pm exactly and is a result of a cable operator then they may have their window set to something like 11pm. Sad thing is if you call in you'll get misinformation because call center people have absolutely 0 idea of what goes on inside a headend facility or a hub location which is where your engineering and technicians are going to be housed doing the work. If it's not that but still related to cable provider it could be system technicians in bucket trucks rolling through the neighborhood doing routine maintenance around that time. If it persists for more than a week or 2 though it is highly unlikely it's your provider
post #19 of 28
DHCP lease time won't matter if the PC is up and running when the address expires. The lease time only reserves a dished-out address for that amount of time, it won't force an address change when the lease is up.

This is almost certainly an ISP piece of equipment being restarted or reset at a specific time each night. Verizon DSL used to do it here at my house at 12:30am every night like clockwork and be out for about 60 seconds. I call and complained, and eventually got transferred to network maintenance that confirmed that a router was being restarted as part of daily PM schedule at that time each night. I ended up cancelling Verizon DSL and switching to Comcast because of it, because it would interrupt my WOW raiding. LOL.

Greg
post #20 of 28
As i mentioned earlier yes it could be an ISP issue however there is a small chance this could be a DHCP issue. Don't just discount it as I have seen stranger crap. He needs to troubleshoot it out further and assigning a static is the fastest way to troubleshoot it out to confirm the problem is not on his end.
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