From owner-freebsd-hackers  Thu Jan 30  4:50: 6 2003
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Date: Thu, 30 Jan 2003 04:48:18 -0800
From: Terry Lambert <tlambert2@mindspring.com>
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To: Nicolas Mallet <nmlabs@rootshell.be>
Cc: freebsd-hackers@FreeBSD.ORG
Subject: Re: Changing the Maximum Segment Size (MSS) of Kame MIP6 Free BSD4.4
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Nicolas Mallet wrote:
> Audsin wrote:
> >I wish to change the Maximum segment size
> >of the TCP. Can you please help me , where i should change the MSS of the
> >TCP. Can you tell me where the default size of the MSS mentioned?
> 
> $ sysctl -a | grep mss
> net.inet.tcp.mssdflt: 512
> net.inet.tcp.v6mssdflt: 1024
> 
> Ex:
> $ sysctl -w net.inet.tcp.v6mssdflt=new_value


These don't work the way you'd think they work from their names.
They are just initial (default) values, not bounds or limits.

-- Terry

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