On Tuesday, 11/29/2005 at 05:08 ZE2, Shimon Lebowitz <[EMAIL PROTECTED]> 
wrote:
> The IP addresses are not negotiable, sorry.
> Where does that leave me?

Two choices:
1. Replace the 2216 with a virtual switch.  The virtual switch would 
handle the 10.1.4.0/24 (for example) subnet.  Routing would take place 
inside your physical switch.  IP address 10.0.0.9 would go away and 
10.1.4.1 would remain as your guests' default gateway (it just wouldn't 
reside on VM any more).
2. Replace the 2216 with a virtual router.  One side is connected to the 
OSA as 10.0.0.9 and the other side is connected to a Guest LAN with 
address 10.1.4.1.

I prefer #1 as it moves routing into the networking hardware where (a) 
it's managed by your networking team, (b) it consumes resources intended 
for that purpose, (c) there are excellent facilities for high availability 
configurations, and (d) it isn't your fault when it quits working.

Alan Altmark
z/VM Development
IBM Endicott

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