FC2 - Strange Ethernet Behavior

[Andy Green]

On Friday 13 August 2004 20:59, John Krische wrote:

> 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

and retry.

-Andy

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