On Friday, 05/09/2008 at 02:10 EDT, Mark Pace <[EMAIL PROTECTED]> wrote:
> I need a LAN connected to real Hipersockets to test this problem.  
> 
> Well maybe not, just to test connectivity I could try just VM's TCPIP 
and the 
> z/OS guest.  If it works, then know I know I have some odd hardware 
problem.

Since you didn't draw a picture (whack!), let me do so based on my 
observations from your posts.  You've got 5 hosts in a single CEC trying 
to use HiperSockets:
                    CHPID FF
                  10.6.0.0/24
 ----+---------+------------+----------+----------+
     |         |            |          |          | 
  VM TCP#1   MVS LPAR    MVS Guest  VM TCP#2   VSE Guest
  10.6.0.4   10.6.0.3    10.6.0.5   10.6.0.2  ??.??.??.??
MTU 1496          1496         1496       1496        ????

OK so far?

Problem statement:  "MVS Guest" cannot communicate with at least one of 
the VM TCP/IPs.  (I'm not sure which.)  You CAN communicate among all 
other users of the HiperSocket.

There was a reference to OSAs, but I considered it to be a red herring 
since they (the OSAs, not the herring) are not involved in getting data 
across a HiperSocket.

Can you clarify what is communicating successfully via HiperSockets and 
what isn't?

Just to exlude a rare ailment, for each VM guest (incl. TCPIP), 
1. Issue #CP Q V xxxx (where xxxx is the device address of one of the 
HIPERS devices)
2. Using the Subchannel = yy value on the output from #1, issue #CP D 
SCHIB yy
3. Verify that the virtual chpid number is FF000000 00000000

For VM TCP/IP, you can just NETSTAT CP <command>.  No logon required.

Alan Altmark
z/VM Development
IBM Endicott

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