Polling For 100 mbps Connections? (Was Re: Freebsd Theme Song)

Ted Mittelstaedt tedm at toybox.placo.com
Fri Dec 16 03:36:32 PST 2005



>-----Original Message-----
>From: Sasa Stupar [mailto:sasa at stupar.homelinux.net]
>Sent: Thursday, December 15, 2005 12:34 AM
>To: Ted Mittelstaedt; danial_thom at yahoo.com; Drew Tomlinson
>Cc: freebsd-questions at freebsd.org
>Subject: RE: Polling For 100 mbps Connections? (Was Re: Freebsd
>Theme Song)
>
>>
>> Ted
>
>Hmmm, here is test with iperf what I have done with and without polling:
>**************
>------------------------------------------------------------
>Client connecting to 192.168.1.200, TCP port 5001
>TCP window size: 8.00 KByte (default)
>------------------------------------------------------------
>[1816] local 192.168.10.249 port 1088 connected with
>192.168.1.200 port 5001
>[ ID] Interval       Transfer     Bandwidth
>[1816]  0.0-10.0 sec   108 MBytes  90.1 Mbits/sec
>
>This is when I use Device polling option on m0n0.
>
>If I disable this option then my transfer is worse:
>------------------------------------------------------------
>Client connecting to 192.168.1.200, TCP port 5001
>TCP window size: 8.00 KByte (default)
>------------------------------------------------------------
>[1816] local 192.168.10.249 port 1086 connected with
>192.168.1.200 port 5001
>[ ID] Interval       Transfer     Bandwidth
>[1816]  0.0-10.0 sec  69.7 MBytes  58.4 Mbits/sec
>***************
>
>BTW: my router is m0n0wall (FBSD 4.11).
>

what are the cpu speeds and operating systems of all devices
in the packet path, what is the make and model of switchs in
use, provide dmesg output of the bsd box, a network diagram
of the setup, etc. etc. etc.

The above test results are not replicatable and thus, worthless.
Useful test results would allow a reader to build an exact
duplicate of your setup, config it identically, and get identical
results.

Ted



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