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Old 01-01-2010, 10:57 AM   #1
Ace Blackwell
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Internet Dropping for short burst.


I'm running Slackware 64 on an HP AMD Turion X2 Dual Boot with Vista. I'm using WICD from KDE 4.?.

I am having trouble with my internet connection dropping. Any software that it internet based seems to hang. After 45 to 90 sec the net seems to come back up. If the software doesn't hang I've been able to check WICD and the connection appears to be fine, but it isn't very descriptive, just that I am still connected. It can be an inconvenience for Firefox but is horrible for any online game. The game drops you in the middle of a fight or lock the game up.

I don't know that I've always had this issue but I can't recall these inconveniences at the beginning of my Slack install. I also can't make a connection to a given install or system tweak,

Lastly I haven't seen anything in my searches on the net. But hopefully this isn't the only incidence. AND much as I hate to say this, I am not seeing this from Vista and my family has been on line all week from Windows and aren't having the issue.

Thanks in advance.
Ace

Last edited by Ace Blackwell; 01-01-2010 at 11:01 AM.
 
Old 01-01-2010, 12:26 PM   #2
Woodsman
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Delays such as you describe often are caused by an improper DNS resolution configuration.
 
Old 01-01-2010, 06:17 PM   #3
Ace Blackwell
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Well since WICD did most of my set up for me, I'm not sure how to check this configuration. Any suggestions?
 
Old 01-01-2010, 07:27 PM   #4
Woodsman
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The DHCP client is supposed to update /etc/resolv.conf dynamically. You might want to check that the file contains the correct DNS servers. Those servers will be the ones provided by the ISP unless manually configured otherwise. As nobody is experiencing problems in Vista, the next time you or a family member is in Vista, peek in the configuration settings to note the DNS server IP addresses. Then the next time you are in Slackware check resolv.conf for those same addresses.

You might want to check whether you are using an /etc/hosts file. If you are and there are stale IP addresses listed, then that will cause the same effect you describe.

If you want to test your connection at the command line, you can use the ping, traceroute, and mtr commands to test your connection.
 
Old 01-05-2010, 04:08 AM   #5
salasi
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Quote:
Originally Posted by Ace Blackwell View Post
I am having trouble with my internet connection dropping. Any software that it internet based seems to hang. After 45 to 90 sec the net seems to come back up. If the software doesn't hang I've been able to check WICD and the connection appears to be fine, but it isn't very descriptive, just that I am still connected. It can be an inconvenience for Firefox but is horrible for any online game. The game drops you in the middle of a fight or lock the game up.
I don't know, but you often get similar symptoms with either ipv6 enabled or DNS using a 'bad' server. What is hapening is not really that 'the internet drops' but there is a wait while a name look up is tried and waits quite a few seconds before timing out and then going on to use the 'good' nameserver.

Could also be your ISP's nameserver being overloaded, of course (have seen 60 seconds plus ping times from a particularly bad example....have doubts if you see ping times over 200 milliseconds.)

Quote:
you can use the ping, traceroute, and mtr commands to test your connection.
and dig...

Last edited by salasi; 01-05-2010 at 04:09 AM. Reason: spellering
 
Old 01-09-2010, 10:05 PM   #6
Ace Blackwell
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Well I was mistaken. After working in Vista, I noticed the same issue. (Don't use it much anymore) After digging deeper and looking at my router, I realized the reset button have been used. I don't think that caused the issue but it did caused me to reset both the router and modem. Problem solved.

Lesson, never overlook the obvious and the simplest.

Thanks though for all the input.

Ace
 
  


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