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-   -   wireless, extremly slow, tons of DNS query (http://www.linuxquestions.org/questions/linux-wireless-networking-41/wireless-extremly-slow-tons-of-dns-query-450422/)

true_atlantis 05-31-2006 11:30 PM

wireless, extremly slow, tons of DNS query
 
so i just moved to a new house and am using wireless internet. im using the madwifi driver for my card, and the router is a d-link something or other. my problem is that if im trying to access a few pages at the same time, the whole connection seems really slow. i did an ethereal scan, and when i access more than one web page/ ip address, i get tons of DNS querys. what is the deal with this and can i stop it? i can post a packet capture if anyone is interested. thanks in advance

osor 06-01-2006 08:30 AM

Quote:

Originally Posted by true_atlantis
so i just moved to a new house and am using wireless internet. im using the madwifi driver for my card, and the router is a d-link something or other. my problem is that if im trying to access a few pages at the same time, the whole connection seems really slow. i did an ethereal scan, and when i access more than one web page/ ip address, i get tons of DNS querys. what is the deal with this and can i stop it? i can post a packet capture if anyone is interested. thanks in advance

Need more info.

Is this a problem only with wireless (did you try a wired connection)? Is this a new router? Is this a new ISP (I assume it is)? Does this happen with other OS's? What's different from when it used to work fine to now?

true_atlantis 06-01-2006 10:26 PM

the first time i took up a wired connection, i got no connectivity, the packet capture gave me something weird, but i could not make it happen again. the second time i took it down and put it back up, again i got no connectivity, but for some reason everything went through this ip address 66.77.76.79 (Quest) and nothing could refresh. that was strang because im using comcast as an ISP. the third time i took it down and put it back up, it works, but again, goes extremly slow, with a lot of dns queries, yet not as much as with wireless. could it be that the router is not giving me the DNS servers correctly and my computer is using the ones from my previous location (using comcast) and the first one is not working? i have no clue what is going on...


this problem does not happen in windows with wireless or wired.


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