On Wed, Jan 24, 2007 at 05:36:00PM -0800, Auke Kok wrote:
> >The path goes like:  
> >FC5 -> router -> firewall -> INET -> router -> firewall > FC5
> >
> >Additional info:
> >- UDP & ICMP bandwidth is fine, only TCP is slow.
> >- Other non-FC5 clients are fine as well (i.e. TCP xfers are not slow)
> >- We are not tunneled over VPN
> 
> maybe the extra information helps us recognize an already known problem?

Could be the router or firewall is broken with TCP window scaling, which
I believe FC5 kernels would have enabled by default.  See if this:

echo 0 > /proc/sys/net/ipv4/tcp_window_scaling

helps improve transfer speed.

Phil
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