On Wednesday, 01/20/2010 at 01:11 EST, Philip Tully 
<[email protected]> wrote:
> What would cause the output of a Q VSWITCH DETAIL not have the IP 
address
> filled in for an active linux guest?

When the guest is using layer 2 support ("Option: Ethernet"), it does not 
register IP addresses with the OSA, but instead registers a "virtual" MAC 
address.

Unless you override it on the device driver configuration, the registered 
MAC address will be the preset value generated by you or CP.  If no MAC 
address has been preset (i.e. no z/VM), then you must supply one in the 
device driver configuration.

Alan Altmark
z/VM Development
IBM Endicott

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