Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!think.com!hsdndev!cmcl2!prism.poly.edu!drubin
From: drubin@prism.poly.edu (Dave Rubin)
Newsgroups: comp.protocols.tcp-ip
Subject: Re: TTL problems
Message-ID: <1991Jun12.180315.13879@prism.poly.edu>
Date: 12 Jun 91 18:03:15 GMT
References: <1991Jun12.160156.22669@src.honeywell.com>
Reply-To: drubin@prism.UUCP (Dave Rubin)
Organization: Polytechnic University, New York
Lines: 16

In article <1991Jun12.160156.22669@src.honeywell.com> bergum@SRC.Honeywell.COM (David Bergum) writes:
>ATT WIN/TCP 3.2 running on 3B2 SYSV 3.2.3 has a wired in TTL of 15 for IP
>packets.  This doesn't get you anywhere worth going to these days.  Anyone
>kknow of a fix for this limitation?

This parameter can be changed in the kernel.

In the file /etc/master.d/ip: change the IP_TTL parameter.  
I changed it from 0x0f to 0x2f which seems to work fine.
Then rebuild the IP and KERNEL drivers and reboot /etc/system for the change
to take effect (let me know if you need more details).

--
Dave Rubin
Polytechnic University
drubin@prism.poly.edu