Dsl drops at specific time

I am working at a building with DSL.   It has a linksys g wireless router then a dlink 32port switch.   It has 20 computers/printers running on network.  In the morning, the network runs fine.   After noon time, the DSL starts dropping until about 5-6 in the evening.   It happens sporatically, not every single day, but most.   I called at&t to makw sure filters on every line except thw line going to the modem.   I checked, 3 filtsrs were needed and added.  Would that be the issue, or it seems that something that runs in the sfternoon would cause this.   Any ideas?


syssolutAsked:
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MaximumIQCommented:
It could possibly be due to the missing filters. If you already added the filters and your DSL is still dropping, try logging into the router and checking the log. Make sure you set logging to the highest setting if it lets you.
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syssolutAuthor Commented:
I believe this is tied into the router.   I removed the switch connecting to all comnputers.   With my laptop I wired myself directly into the modem and could get out.   So I rebooted moem and router and conncted my laptop to the router.    Thinking of resetting the router to factory fresh.   Could there be any settings in the router that would make it shut down after 12?   ALso where would I get the logs?
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syssolutAuthor Commented:
What is happening is that I need to call At&t to refresh the circuit everyday, then it works for the rest of the day.    BUt then around noon the next day, it happens again until the circuit is refreshed.  Why would I still be able to get out directly through the modem and not when I am plugged directly into the router when this is happening and what would cause this to happen around noon each day and stop around 6p.m. each day?
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inbox788Commented:
Your router is probably overheating from higher levels of activity. Can you turn up the AC in the room that houses the router? For a diagnostic test, use an ice pack during the warmer part of the day and see if that prevents the issue. Most likely the simplest solution is to just get a new router.
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syssolutAuthor Commented:
The router does not seem to get more than warm.   The modem is 'bridged', not sure why that is, but it almost now seems that the issue may be on at&t end.   Over the weekend, it did not drop internet connection once.  Any ideas on how to proceed?   Why would the modem be bridge?  Wouldn't it be better to just run modem regularly and same with the router it is connected to?   Am I missing something?
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inbox788Commented:
Oh, if it's AT&T's router or other equipment that's flaky, it's going to be very annoying to have to prove it to them before they're likely to take any action. It could be months before they receive enough complaints to start looking and even then, it will take a while for them to come around to testing and changing some mostly functioning equipment. In this case, is there any alternative ISP, like cable that's available to you?
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MaximumIQCommented:
As far as the modem being bridged, that's nothing to worry about. Back in the day, modems used to be just modems but now they have built in routers, so if you already a router in your network the modem is best be put in bridge mode (modem only) to avoid have two devices doing NAT (Network Address Translation).

As far as your connection dropping, like inbox788 said, it could be the internet provider/modem but it could also be your linksys router. To isolate the issue, you need to do some digging when the internet goes down.

try opening the linksys' GUI interface a doing a ping to the outside from the GUI while the internet is down. also find your WAN Gateway IP (Will also be in the Router's GUI) and ping it while the internet down as well.

Doing so will tell you for sure if it's time to start harrsing your ISP or if it's something out of their control.
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amprantiCommented:
Are you using a static IP? if not, provider may restart the WAN interface of the router to force router to change the public IP....

However, this should happen at night and doesnt last more than 1-2 minutes
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syssolutAuthor Commented:
At & T tech came in and replaced the router.   He said it was a good a guess as anything at this point.   Since the router has been changed, the issue is gone.   Thanks
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