I can, but we have about 8 OSAs (and associated z/VSEs). Combining them
into one VSWITCH with a single adapter to the outside world might be a
problem (bandwidth to the outside). Can you have more than one OSA
associated with the VSwitch?
Frank M. Ramaekers Jr.
Systems Programmer MCP, MCP+I, MCSE & RHCE
American Income Life Insurance Co. Phone: (254)761-6649
1200 Wooded Acres Dr. Fax: (254)741-5777
Waco, Texas 76710
-----Original Message-----
From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On
Behalf Of Alan Altmark
Sent: Wednesday, November 11, 2009 2:37 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: TCP/IP and VSWITCH
On Wednesday, 11/11/2009 at 03:25 EST, "Frank M. Ramaekers"
<framaek...@ailife.com> wrote:
> Oh, there is no OSA associated with the VSwitch (it's internal only).
Ah. New Network = New Subnet = New IP Addresses. There is special
support in Linux and z/OS, and maybe the z/VSE stacks?, provide a
"HiperSocket Accelerator" which may be enabled when you put the same IP
addy on different interfaces. Dunno. z/VM TCP/IP doesn't have that
capability.
But you're making this way too hard, Frank. :-) Just take the OSA(s)
away from z/VSE and VM TCP/IP and give it/them to the VSWITCH. No
worries
about new subnets, no host routes, no duplicate IP addresses. And you
inherit OSA failover capability without requiring any kind of dynamic
routing daemons.
Alan Altmark
z/VM Development
IBM Endicott
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