Re: iperf -M in FreeBSD
What MSS size are you using? You may need to jack up the kernel level
default to support a larger size then it is currently using. At the bottom
of that man page is shows that this is accomplshed with the sysctl
utility.
Kevin
On Thu, 12 Jun 2003, Venkatesh S Obanaik wrote:
> Hi,
>
> I am using iperf 1.7.0 on FreeBSD 5.0
> <Also tried the same on older versions of FreeBSD>
>
> There appears to be some problem in using iperf -M <MSS> option
> in FreeBSD.
>
> Throws a warning saying :
> Attempt to set TCP maximum segment size failed.
> Setting the MSS maynot be implemented on this OS.
>
> However, FreeBSD seems to have support for
> setting the MSS.
> http://www.gsp.com/cgi-bin/man.cgi?section=4&topic=tcp
>
> Could you let me know how to resolve this problem.
>
> <However, there is no such problem in Linux >
>
>
> Regards,
> Venkatesh
>