This is just a suggestion:
Do you have any Windows 2000 machines on the LAN? In my limited experience
of W2K, by default it will try to register itself with a dynamic DNS server.
If you can trace which packets are leaving the W2K machines (if any) you may
see strange DNS traffic leaving W2K heading for the ISP's DNS server.
You can change this behaviour in the W2K network properties, under local LAN
connections/"register this computer's address with DNS" (or something
similar).
Chris Slater-Walker
----- Original Message -----
From: "Wood Brent" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, March 26, 2001 1:20 AM
Subject: [expert] network performance problem
> A question for you lan experts:
>
> I have a M7.2 box with a cable modem. This is
> connected to a local lan with various M$ boxes, via a
> 10/100 switch. Local lan is 192.168.0.n, assigned with
> DHCP from the linux box.
>
> Everything works OK, but ftp & X on the lan are very
> slow, with heaps of activity on the hub LED's.
>
> I'm not familiar with this area much, but have the
> impression it may be dns related, as I'm not running
> the linux box as a dns. I'm wondering if the 192*
> addresses are having packets going via the DNS which
> is an IP address at my ISP, causing the speed problem.
>
>
> If anyone can shed any light on the cause (& hopefully
> a solution) of the poor local lan performance I'd
> appreciate it :-)
>
>
> adTHANKSvance
>
> Brent Wood
>
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