> It is easy. "ping -f" does not create any real load on the network,
> it is pure latency test, when there is always only one packet in flight.
I use 'ping -l 100000'
If preload is specified, ping sends that many packets as
possible before falling into its normal mode of behavior.
the super-user may use this option.
> Do not use it. Just write simple program, sending small udp packets
> without gaps, or use tools sort of netperf. To create extremal load,
> it is possible to use pgen tool by Robert Olsson
> (ftp://robur.slu.se:/pub/Linux/tmp/), it is a bit out of date,
> but easy to update.
Thanks - I'll look into it.
> > - Tx stuck, invoke tx_timeout
> I think any man working with network has in his table some broken hub,
> which generates only collisions. 8) Mmm... what will occur if to plug
> crossed pair to two hub slots? Will it simulate broken hub then?
> (I did not advise you to do this! 8))
> Seriously, you can just to skip some TX ring refilling deliberately
> to trigger this condition.