FTP difficulties 4.8R

[matthew]

On Mon, 16 Feb 2004, Rob wrote:

> At 13:32 15/02/2004 -0800, Graham North wrote:
> >[snip]
> >My FreeBSD box on the other hand is a different story.   It is a PII 166
> >[snip]
> >It does go outside and connect, sometimes I can ftp download some small
> >files, most times the process stalls.   I generally need to open a new
> >terminal to kill the process.
>
> It may be nothing to do with this, but I get similar problems on my DSL
> link with the default MTU setting, 1500, and I can get decidedly better
> performance by reducing it.  Windows has some sort of dynamic adjustment,
> but I've found it's more reliable to set FreeBSD specifically.   Try:
>
> #ifconfig <network_interface> mtu 1438
>
> and see if that makes a difference.
>
> There are optimum values for the mtu, depending on your link parameters,
> and various formulae, but try that first before fiddling more.
>
>

While i have never heard of someone doing that on plain
ethernet LAN, I have seen a bad cable do exactly what he
is complaining about.

The download starts off fast, the quickly trickles to nothing.
One of the wires simply does not have solid contact.

m


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