Re: VIOS and Shared Ethernet Adapter

Kirk,

There is little reason to have more than one SEA running, you can connect
all the vETH you want to the PowerVM Switch and they'll all go out the same
SEA. if you need a second switch you can change that from the ASMI IIRC,
and then you put a new vETH and the second SEA. If you want to use both
ports for performance i think you would be better served by making an
etherchannel (otherwise known as LACP) between those ports and the two
ports on the switch...

Either way what you're asking about will work. just remember that the VIOS
address will actually have to be assigned to the SEA interface and not to
the port0 one.

Best Regards,

Roberto

On Fri, May 1, 2015 at 1:17 PM, Kirk Goins <kirkgoins@xxxxxxxxx> wrote:

Forget IBMi on IBMi I meant to use it as ref and I know NOT to put an IP
on the SEA just the guests.

Just to be clear on the setup plan
Dual Port GB NIC that VIOS owns
Port0 would have VIOS Address assigned
Port0 would also have a SEA that supports 1 or more IBM i guests
Port1 Would have another SEA that supports say another IBM i guest.

So based on your experience this will work fine.

Thanks



On Fri, May 1, 2015 at 7:21 AM, Mitchell, Dana <dmitche@xxxxxxxxxx> wrote:

Kirk,

Yes we are doing exactly that with our VIOS lpars. We can access vios

via

ip address on the same shared Ethernet as all the other guests on the
machine.

As far as doing it with i hosting i, it can be done, but don't put the
ip interface on the physical Ethernet, you need to put it on an

additional

shared Ethernet line description. See a previous discussion about it:

http://archive.midrange.com/midrange-l/201308/msg00691.html

Dana


-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
Kirk Goins
Sent: Thursday, April 30, 2015 7:30 PM
To: midrange-l@xxxxxxxxxxxx
Subject: VIOS and Shared Ethernet Adapter

With IBM i Hosting IBMi they say not to put an IP in the on the line that
is being used for the shared adapter on the host because of performance
reasons.

So Question Number 1 is. Is that true or VIOS. I am short ports and if
possible use the same port that my VIOS uses for it IP as Shared Ethernet
Adapter. I see in a doc that it warning if an IP on on that device it

won't

be when done.

Question number 2 - Throwing Performance under the bus so to speak can I
get it to work long enough to test a theory?


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Kirk
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