Most of my customers choose to start TCP manually in the start up program
where they force IPV6 to not start.
So, your option 3.
--
Jim Oberholtzer
Chief Technical Architect
Agile Technology Architects
-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
Steinmetz, Paul
Sent: Friday, March 27, 2015 9:43 AM
To: 'Midrange Systems Technical Discussion'
Subject: IPv6 disable - yes or no , and which method
I recently discovered that some apps are attempt to use IPv6.
We are strictly IPv4, no plans to switch to IPv6.
It takes an IPL to disable IPv6.
Options
1) CHGCMDDFT CMD(QSYS/STRTCP) NEWDFT('STRIP6(*NO)')
Normally, I don't change the QSYS command defaults, but I make a copy of the
command, library SYSCHG.
This library is first in the QSYSLIBL.
However, when I tested this, IPv6 still started following an IPL.
Turns out IBM has QSYS hardcoded for the STRTCP command, not changeable.
One issue here is this can get lost on an OS upgrade, which I believe did
happen.
I think I had IPv6 disabled back when I was on V6R1, got re-enabled on the
V7R1OS upgrade.
2) Other option is to CHGIPLA, set Start TCP/IP to *NO, and add STRTCP to
QSTRUP pointing SYSCHG/STRTCP.
3) Or CHGIPLA, set Start TCP/IP to *NO, prompting and coding the QYSS/
STRTCP STRSVR(*YES) STRIFC(*YES) STRPTPPRF(*YES) STRIP6(*NO)
What are others doing with IPv6, if disabling, which option?
Thank You
_____
Paul Steinmetz
IBM i Systems Administrator
Pencor Services, Inc.
462 Delaware Ave
Palmerton Pa 18071
610-826-9117 work
610-826-9188 fax
610-349-0913 cell
610-377-6012 home
psteinmetz@xxxxxxxxxx
http://www.pencor.com/
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