[CLUG-tech] strange FTP problems (WAS qemu: openbsd apps hang)
isburger at gmail.com
Wed Dec 12 15:58:00 SAST 2007
On Dec 12, 2007 3:39 PM, Brendon Gleeson <brendon at gleesonprop.co.za> wrote:
> problem for ages but actually forgot about it, It doesn't happen when I try
> download small (<1mb) files though?
Look at your MTU (Maximum Transmission Unit) configuration for the network.
Basically, if your MTU is too high, the packets need to be fragmented
to pass over networks with smaller MTU's, and unfortunately a lot of
networks and protocols (like IPSEC for example) just don't handle
fragmentation well. Bringing the MTU down to 1400 or 1350 usually
helps to avoid fragmentation. No idea how you'd do this in OpenBSD
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