On Thursday, 09/20/2007 at 12:35 EDT, David Kreuter 
<[EMAIL PROTECTED]> wrote:
> OK. What release of z/vm are you running? I think we should simplify - 
get rid 
> of the VSWCTRL exec first of all. Remove the :exit.VSWCTRL statement 
from 
> SYSTEM DTCPARMS.
> As long as you the files VSWCTRL1 TCPIP and VSWCTRL2 on TCPMAINT 198 
when those 
> machines are IPLed they will find the right files. The doc you reference 
goes 
> back to zvm42 and indeed the search order for locating the correct 
profile to 
> use was different. In zvm520 onwards (maybe zvm510??) you can use the 
name of 
> the machine as a profile name.

As of z/VM 5.2, you can get rid of your own VSWITCH controllers entirely, 
using the DTCVSW1 and DTCVSW2 that we provide.  The IBM DTCPARMS file 
already has the needed definitions and the profiles are already there. 
Just remember to update AUTOLOG1.  (The IBM-supplied AUTOLOG1 PROFILE EXEC 
autologs these controllers.)

It is a Bad Idea to have any TCPIP stack acting as a controller.  Only a 
dedicated controller should have VSWITCH CONTROLLER ON in PROFILE TCPIP.

Alan Altmark
z/VM Development
IBM Endicott

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