David,
I suspect that is part of a security measure.
Because TFTP is udp based, and that is "connectionless", my guess
is that tftpd is doing a DNS lookup for every single block that
the client requests.
If you ran Ethereal on that network segment, you'd be able to see
what is happening.
Jim.
On Fri, 1 Mar 2002, David Johnston wrote:
> [EMAIL PROTECTED] wrote:
> > David,
> > Thanks really interesting news. I haven't tried the update yet,
> > and based on your experience, I'll wait till I hear what you
> > find out.
> >
> > Thanks,
> >
> > Jim McQuillan
> > [EMAIL PROTECTED]
> >
> > On Fri, 1 Mar 2002, David Johnston wrote:
> > > with the latest kernel on the server, it took three minutes
> > > (to download the workstation's kernel)
> Well, I've fixed the problem, but I'm still in the dark about what's
> going on.
>
> With the new kernel, you have to list tftp clients in /etc/hosts. If
> you do, everything works fine; if you don't, everything slows to a
> near-standstill. So much for my administrationless network... ;-)
>
> I haven't had time to see if adding the clients to the DNS is enough,
> although I expect it will be. Does anyone know how to get dhcpd to
> update the DNS whenever it hands out a new address?
>
> -David
>
--
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