network not performing - where to start?

Boldra paul at
Mon Feb 18 12:22:34 UTC 2008

Thanks for your suggestions Erik, I had only been speed testing with 
smb.  I just did a quick test with wget under cygwin and I'm still 
getting around 1.5MB/second, which is about the same as I get with smb.

scp peaked at around 900KB/second, which also seems to suggest the 
hardware is only working at 10% capacity.

Can you point me to a man page or something for your suggestion "use 
packet filtering statistics" ?  Where do I start?

Paul Boldra

Erik Norgaard wrote:
> Boldra wrote:
>> I think ifconfig -a is saying that the os thinks the card is 100Mbit:
>>        inet netmask 0xffffff00 broadcast
>>        ether 00:a0:0c:40:32:a3
>>        media: Ethernet autoselect (100baseTX <full-duplex>)
>>        status: active
>> So my questions are:
>> How do I check the network performance from within freebsd?
>> What other tools can I use to check for network problems?
>> How can I check the network card is configured and working correctly?
> It is not irrelevant which protocol you use to copy large files. Some 
> protocols has less overhead. Also, you may experience better 
> performance between bsd stations, if you can try set up two bsd 
> stations to test performance on different protocols, ftp, http, tftp, 
> whatever.
> I think the best I have had on a 10Mbit/s was 1Mbyte/s - that is about 
> 80% is actually effective payload. Another thing you can do to get 
> more correct numbers is to use the packet filtering statistics.
> Cheers, Erik
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