mclellan, dave wrote:
> Hi everyone: I know you're mostly not z/OS (AKA MVS) technicians.  I
> apologize for the corner case posting. 
> 
> We are researching testing options for testing IPv6 on z/OS which has been
> implemented in Communications Server subsystem for a couple of releases.  Is
> there anyone out there who knows anything about this specific environment,
> or who knows someone who knows someone?  

I've forwarded your message to a couple of people who should be able to
tell you more about this subject.

> We can't easily upgrade the physical networking infrastructure in our
> mainframe labs, so I'm especially looking for testing options where we can
> exercise the protocol enough to validate our current IPv6 support (high
> level address lookups and reverse lookup, and TCP over IPv6).

You can always use tunneling, which is something which is supported.

> Any pointers or references would be much appreciated. 

IBM's z/OS is IPv6 Ready Phase 1 compliant:
http://www.ipv6ready.org/logo_db/logo_search2.php?logoid_number=01-000156&btm=Search

Fredrik Tolf wrote:
> I'm sorry, but I really don't understand why you would want to upgrade
> the physical network. IPv6 should run on most physical networks that
> IPv4 can run on, AFAIK.

One has to upgrade routers, which are part of the physical network.
The cabling/wiring/wireless itself should indeed not care much, though
some silly switches don't really like IPv6, not really many fortunately.

Greets,
 Jeroen


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