Re: Verizon DSL - DNS lookup cache/timeout problem?
- From: Jeroen Besse <nospam@xxxxxxxx>
- Date: Fri, 03 Feb 2006 02:29:58 +0100
James D. Veale wrote:
I have a Verizon DSL linkup (Boston area), INJOY firewall,
supplied Westell 6100 dsl model, running OS2 4.52 ,
usually Mozilla 1.41 or Netscape 4.61 .
Everything works, except for a nuisance problem.
When I click on a URL for the first time, in a day, it often
says it can't find it. The second time always works.
Also going to a main site "www..." and clicking on a link that
goes to "www4..." will also fail, the first time, works the second.
It appears to me that this is some sort of a timeout problem.
The second time works because the DNS entry gets cached after the first request.
Any Suggestions? I can get a detailed transaction log from the INJOY firewall. Is this a problem with the DSL connection
or my setup, I don't have this problem with my dial-up provider.
With a detailed transaction log, what should I look for.
How is TCP/IP set up? Does the Internet IP address live on the OS/2 box, or does the modem do NAT?
If the modem does NAT and acts like a DHCP server, in \MPTN\ETC\RESOLV2 there is probably one 'nameserver' entry: the IP address of the modem. Try replacing it with the IP address of the name server of your provider. (Probably your provider has more name servers; you can add 'nameserver x.x.x.x' lines for each of them.)
If this helps, change the TCP/IP setting from your OS/2 box from DHCP to a fixed address (the same as it holds now); as with DHCP, the RESOLV2 file will get overwritten regularly (most likely at least at each reboot).
--
Best regards,
Jeroen Besse
http://rblcheck.besse.nl/
(to contact me: the nospam address actually exists)
.
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