ping -l20 -s8 -i5 -c22 works like a charm.
Maybe your problem is caused by not having enough tx/rx buffers defined in
/etc/z8530drv.conf
>
>
> Arjan Filius
> Email: tak@virtelco.com
> --------------------------------------------------------------
> Argh! All right, so how am I supposed to work with Linux when
> everything's already been done?! Can't these people leave some
> broken MSDOS like parts so there's problems left to solve!?....
>
-- Regards Richard. whjh@win-4-u.net