Re: intermittent dns problems on -CURRENT with xl0

From: Dr. Richard E. Hawkins (hawk_at_slytherin.ds.psu.edu)
Date: 06/28/04


Date: Mon, 28 Jun 2004 15:26:37 +0000 (UTC)

In article <2k9ecjF18jr23U1@uni-berlin.de>, Ed Hurst <me@privacy.net> wrote:
>Dr. Richard E. Hawkins wrote:
>> I'm seeing an intermittent problem on -CURRENT on one of my boxes.

>> When this happens, it's not just mozilla that can't resolve anything;
>> other methods, such as ping, also fail to resolve.

>> I can ping all three nameservers by their IP when this happens, as well
>> as their routers. Yesterday, it was unable to resolve another box that
>> was connected by ssh.

>> Until that, and discovering that while this happened, the machine still
>> happily served web pages, I had assumed that this was a network problem,
>> or possibly mozilla's single thread for name lookup. I eliminated both
>> of those possibilities yesterday.

>I probably know less than you about this, but I can confirm it's
>plaguing me out here in SE Texas. It's worse than usual the past few
>days. My dialup is bad enough that I stretched the default 5-second
>window on DNS returns to 10 seconds, and still have problems. I'm now in
>the process of learning how to set up djbdns so I rely less on what
>seems a fragile supply of DNS resolution from outside. I note that
>whenever I use the IP address directly, I never have a problem (barring
>multiple domains on the same IP).

It's not the DNS itself if it's the same problem. I had two machines in
the same office, each on 10MB switched connections to the same machine
room on campus, with at least one of the DNS servers being on campus,
and one was fine while the other wasn't.

hawk

-- 
Richard E. Hawkins, Asst. Prof. of Economics    /"\   ASCII ribbon campaign
dochawk@psu.edu  111 Hiller (814) 375-4846      \ /   against HTML mail
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