Re: fedora-list Digest, Vol 6, Issue 157

[John Krische <john@xxxxxxxxx>]

Attn: Andy Green

Well, that helped some, but did not solve the problem.  DL speed holds 
to normal for about 2 MB of file now instead of 1MB, but then dies again.

any other things I should be looking at?

John K.

> > original 2.6.5 kernel or the updated 2.6.7 kernel (yum update), download
> > > speed does something odd.  It jumps up to about 180K/Sec, which causes
> > > alarms to go off at our ISP since that's above a T1's theo. limit, and
> > > then, shortly after 1.1 MB of file has downloaded, the connection speed
> > > plummets to less than old 28K dialup, ie, 2 K/Sec or less.  It's still
> > > downloading mind you, but barely.
>
>
> Could this be the TCP scaling problem?  Recent 2.6 kernels include the 
> capability to use >1 TCP scaling.  Some routers choke on it.
>
> echo 0 > /proc/sys/net/ipv4/tcp_window_scaling