You wrote:
> On Jan 14, Nate Bohlmann wrote
> > Hi folks,
> >   I'm not sure if I'm just being stupid here or there's something
> > seriously wrong.  I have PPP connecting to my service provider and
> > I can ping anyone I want, I just can't do anything other than ICMP 
> > packets apparently.  FTP'ing to the netbsd.org site gives me one line
> > of the welcome message and hangs.  I have to background FTP and kill
> > it to get a prompt back.  Telnet does the same sort of thing.  I can
> > log in but never get a prompt.  I checked the network statistics and
> > all packets are good through all protocol levels so I'm stumped.
> > Can anyone shed some light on this problem?  I am running the GENERIC
> > kernel on a Cyrix 80 MHz 486 if that helps any..
> 
> Hum, I use ppp with 1.3 at both end, without problems. But I use
> mru/mtu of 296, as I always read email while transfering big files :)
> 
I had similar problems on 1.2.1. Using a large mtu caused outgoing trains of 
large packets to eventually stop. Ftp uploads and outgoing mail stopped after 
5-10 KBytes. I haven't tried it on 1.3

/Anders