On Thursday, 07/17/2008 at 06:08 EDT, Marcy Cortes 
<[EMAIL PROTECTED]> wrote:
 
> Note that LACP will not let one do this - an OSA chpid will then get to
> go to one and only 1 vswitch. (regardless if LPAR or VM)  (correct me if
> I'm wrong Alan :)

You are correct, Marcy!  :-)  The Link Aggregation Control Protocol (LACP) 
can't tolerate multiple cooks in the kitchen (and it wouldn't make sense). 
 On a z10, z/VM will set latches in the OSA to prevent sharing.  For other 
machines, beware.

> But Brian, I'm confused about your reason.  Wouldn't you just want to
> use a VLAN aware vswitch, put the guests on access port types, and issue
> the set vswitch grant the the right vlan for the guest?

The one thing we're missing is the ability to assign a VLAN id to a 
virtual NIC so that a VLAN-UNaware guest can use a single VLAN-aware 
VSWITCH.  For now, if you want a single VSWITCH, you must make the guest 
VLAN aware and give the guest a virtual TRUNK port (SET VSWITCH GRANT) 
that is authorized for the <however many> VLAN IDs the guest needs.

Alan Altmark
z/VM Development
IBM Endicott

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