On Sunday, 10/29/2006 at 10:18 CST, Dennis Schaffer 
<[EMAIL PROTECTED]> wrote:

> In my production environment, this z/VM system shares its OSA adapters 
with
> three other z/OS systems.  One of these z/OS systems was recently
> reconfigured as the PRIROUTER TCPIP stack because of (1 the need to
> establish a hipersockets connection between this and another z/OS system

Sorry.  What does establishing a HiperSocket connection between the two 
z/OS systems have to do with PRIROUTER on the OSA?  Rather than using the 
"other" z/OS to route data, it should share the "other" OSA instead, using 
the HiperSocket only for z/OS-to-z/OS communications.

> and (2 the importance of its workload to our organization causing it to 
be
> the first mainframe system normally IPLd in our shop.

I really wouldn't depend on IPL sequence to protect you.  Only one LPAR 
should have the PRIROUTER designation, and only because it is acting as a 
router.
 
At this point I feel I should stop giving advice as I haven't seen a 
drawing of your intended network.  Sometimes I think we're talking about 
non-routing guests attached to a VSWITCH, and other times I think we're 
talking about a Guest LAN connected to a virtual router.

Alan Altmark
z/VM Development
IBM Endicott

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