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DNS Issues?

657 Views 3 Replies 2 Participants Last post by  johnwill, 
C
Hi,
I have a DSL-G604T router with V2.00 firmware connected to three computers (2 wirelessly and one wired, wireless run XP and Vista while the wired runs Windows 7). Everynow and again (about once a week with no general pattern) the ability to access web pages is lost. However programs such as Ventrillo or Steam will work just fine. This seems to me to be a DNS issue (as programs like ventrillo work with IP addresses directly) however I am not sure how to solve this problem. I have seen some solutions online that refer to individual settings on one computer however this problem is across all computers on the network and is only solved by repeated restarts of the router (seems to temperamental).
So my questions are:
Is this likely a DNS issue?
If so what can be done about it?
(also my guess is that certain programs may trigger this, if so how can I check avoid this?)
Thanks, if I have missed any important details let me know :smile:.
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johnwill
Some things you can try here, listed in the order you should try them.

  1. For wireless connections, remove all the stored wireless profiles and search for networks. You'll have to enter the encryption key again, which is sometimes the issue for connection problems.
  2. For wireless connections, change the channel on the router, I like channels 1, 6, and 11 in the US.
  3. For wireless connections, try moving either the wireless router/AP or the wireless computer. Even a couple of feet will sometimes make a big difference.
  4. Update the network drivers (wired and wireless) on your computer to the latest available.
  5. Update the firmware to the latest version available on the manufacturer's site.
  6. Reset the router to factory defaults and reconfigure.

Many times these measures will resolve a lot of intermittent issues.
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C
Thanks for the reply johnwill.
This issue is not just for wireless computers, it applies to my PC as well, which has a direct physical connection to the router. All PC's will lose connectivity simultaneously when the problem occurs (however not entire internet access only certain types of programs will experience this).
So I understand where you are coming from with these suggestions but this problem is identical on all PC's regardless of whether they are wirelessly connected or physically connected. So all but the last two are applicable (or so it seems to me, correct me otherwise). I believe I have the latest firmware for the router which leaves the last suggestion remaining... reset to factory defaults. This will likely be my last resort, so if there are any other suggestions they would be greatly appreciated.
Thanks in advance.
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johnwill
Well, since all the machines experience the issue, I'd do the firmware upgrade and then reset to factory defaults and reconfigure. Your analysis is correct for your situation. :smile:
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