Net.ether82557

I seem to be having some difficulty using the supplied ethernet driver
“Net.ether82557”. I have four QNX4 nodes all running with the TCP/IP stack
using 100bT. When doing ping tests from machine to machine I see a
significant (5000ms+) drop in performance when QNX messaging is done at the
same time. Just doing ping tests alone (no QNX messaging) everything seems
to be fine. In addition, when using the “C” function “filelength()” across
the network I periodically get “No route to host.”.

I have a generic ethernet card built onto a passive backplane CPU card and
am wondering if there is some incompatibility issue with the driver/card.

I have included a snippet from “netinfo” that shows many mysterious errors
perhaps related to my problem.

Any feedback would be greatly appreciated.

Thanks.

David F. Marker




begin 666 netinfo.txt
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`
end

What version of Net.ether82557 are you using? There were significant
problems with earlier drivers (pre-February 2000 ?).

“David F. Marker” <interprotech@ameritech.net> wrote in message
news:8u70es$790$1@inn.qnx.com

I seem to be having some difficulty using the supplied ethernet driver
“Net.ether82557”. I have four QNX4 nodes all running with the TCP/IP
stack
using 100bT. When doing ping tests from machine to machine I see a
significant (5000ms+) drop in performance when QNX messaging is done at
the
same time. Just doing ping tests alone (no QNX messaging) everything
seems
to be fine. In addition, when using the “C” function “filelength()” across
the network I periodically get “No route to host.”.

I have a generic ethernet card built onto a passive backplane CPU card and
am wondering if there is some incompatibility issue with the driver/card.

I have included a snippet from “netinfo” that shows many mysterious errors
perhaps related to my problem.

Any feedback would be greatly appreciated.

Thanks.

David F. Marker

\