>>> On 7/16/2012 at 04:37 PM, Alan Altmark <[email protected]> wrote: 
> TCPIP is connected to two HiperSocket networks: one real (to MVS) and one
> virtual (to Linux).  So TCPIP will need two HiperSocket interfaces, each
> with it's own IP address in each of the two networks.  You have the real
> one (5.1.1.1), but you are missing 5.1.2.x, which is what Linux would use
> as its default gateway, not 5.1.1.1.   You can't ping 5.1.1.1 from Linux
> since it isn't directly attached to the Linux guest and you don't have a
> reachable gateway.

Alternatively, he could just attach a real HiperSocket device to the Linux 
system and cut out the middle man (z/VM TCPIP) entirely.  Unless there's some 
value to be had by having z/VM manage the traffic, it's just unnecessary 
overhead.


Mark Post

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