I do not have the answer, but I do have a suggestion. When you make
drawings like below, use a fixed font such as Courier or Courier New. It
makes them look so much better - and clearer.
 
+-LPAR A--+-LPAR B---+
| +---+   | +---+    |
| | X |   | + Y +    |
| +---+   | +---+    |
|    |    |    |     |
|    +----|----+     |
|    | VM | VM |     |
+---------+----------+
       | OSA |
       +-----+
 
Regards, 
Richard Schuh 

 

 


________________________________

        From: The IBM z/VM Operating System
[mailto:[EMAIL PROTECTED] On Behalf Of Shimon Lebowitz
        Sent: Thursday, June 26, 2008 3:19 AM
        To: [email protected]
        Subject: PRIROUTER question
        
        
        Hi,
        I am not sure about something and would like confirmation.

        Assuming this setup:
        +-LPAR A--+-LPAR B---+
        | +---+   | +---+    |
        | | X |   | + Y +    |
        | +---+   | +---+    |
        |    |    |    |     |
        |    +----|----+     |
        |    | VM | VM |     |
        +---------+----------+
               | OSA |
               +-----+

        VM TCPIP in LPAR A: 10.0.0.7
        VM TCPIP in LPAR B: 10.0.0.12
        Virtual machine X in LPAR A: 10.1.4.2 
        Virtual machine Y in LPAR B: 10.1.3.2 

        Our network routes requests for 10.1.4.2 to 10.0.0.7,
        which is connected to X via a virtual CTC.
        Machine X has 10.0.0.7 as its default gateway, so all 
        of its traffic, in and out, is via 10.0.0.7.

        Now I was asked to do the same thing with a 
        virtual machine in LPAR B: 
        1) to set the default gateway in machine Y to 10.0.0.12
        2) to connect VM TCPIP to machine Y with a VCTC
        3) to have the network route traffic for 10.1.3.2 to 10.0.0.12
           so that VM's TCPIP at 10.0.0.12 will send it on to 10.1.3.2.

        My problem is that I *think* I understand that the OSA
        will not agree to do this, since the VM host on LPAR A
        has the OSA defined as PRIROUTER and on LPAR B 
        it is defined as NONROUTER.

        So, my questions here are:
        1) Can the task requested be done, or will NONROUTER prevent 
            VM in LPAR B from getting the packets for 10.1.3.2?
        2) If #1 is in fact a problem, how can it be solved WITHOUT
going 
            to VSWITCH?  Is there such a solution?

        Thanks,
        Shimon


        -- 
        
************************************************************************
        Shimon Lebowitz                mailto:[EMAIL PROTECTED]
        VM System Programmer           .
        Israel Police National HQ.     
        Jerusalem, Israel              phone: +972 2 542-9877  fax:
542-9308
        
************************************************************************


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