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Date:      Sun, 30 Jul 1995 03:18:21 -0500 (CDT)
From:      Mike Pritchard <mpp@mpp.minn.net>
To:        cml@aureus.mother.com (Chris)
Cc:        root@io.cts.com, current@freebsd.org
Subject:   Re: Clunky telnet/rlogin performance
Message-ID:  <199507300818.DAA02235@mpp.minn.net>
In-Reply-To: <199507300814.BAA07069@aureus.mother.com> from "Chris" at Jul 30, 95 01:14:07 am

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Chris wrote:
> 
> $! 	FreeBSD -> [ISP] -> BSD/OS
> $! 
> $! It's like some kind of protocol compatibility problem, and it never gets
> $! better.
> $! 
> $! If an intermediate system is used, e.g.:
> $! 
> $! 	FreeBSD -> [ISP] -> SCO Unix -> BSD/OS
> $! 
> $! performance is excellent.  Take the intermediate site out and it's
> $! back to sluggish response.
> 
> Easy fix.
> 
> cd /usr/src/sys/netinet
> vi tcp_subr.c
> 	line 71,72, toggle the values of
> 	
> 		int     tcp_do_rfc1323 = 1; /* change to 0 */
> 		int     tcp_do_rfc1644 = 1; /* change to 0 */
> wq!
> 
> recompile kernel.
> reboot.
> end of problem.

If that is the problem, the easier solution is to edit /etc/sysconfig 
and set "tcp_extensions=NO".  That will run a couple of "sysctl"
commands in /etc/netstart to set the above two variables
to zero. 
-- 
Mike Pritchard
mpp@mpp.minn.net
"Go that way.  Really fast.  If something gets in your way, turn"



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