Gee, I sure am glad no one told us it could not be done. I have two
OSA's servicing five LPARs with 15 'static' IP addresses each and
another dozen VIPA's that wander around. 

I want very much to use the third OSA and dynamic routing to eliminate a
single point of failure, but the network folks aren't on board yet. 

Is Cisco the root source of this misinformation? There seems to be a
number of very curious misperceptions that seem to be common to Cisco
trained folks. 

OBTW: one reason for lots of VIPA's is where you have lots of IP
applications and you want to be able to move them around to different
LPARs. So, you assign as many VIPA addresses as you need to each
application. You then include the VIPA adds to the application startup
process and VIPA deletes to the shutdown process. Works well for us.  

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
Behalf Of Kittendorf, Craig
Sent: Wednesday, February 22, 2006 11:41 AM
To: [email protected]
Subject: Re: TCP/IP over Cisco router CIP

Our network people and their hired consultant insist that we can not
have multiple IP address on one OSA.  The also refer to VIPA as "viper",
maybe because the consultant claimed we were creating "poisoned" routes.
Anyway we do have a VIPA and three OSA-E cards working perfectly.

I don't understand why 'you "should" be using lots of VIPA' with our one
stack?

Thanks,
   Craig

 

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