Hi Lee - Your guests can be on different VLANs on Layer 3. Perhaps there
is another reason driving the Layer 2 decision?
David Kreuter


-------- Original Message --------
Subject: OSI Layer 2/3 mismatch?
From: Lee Stewart <[email protected]>
Date: Tue, February 28, 2012 7:13 pm
To: [email protected]

Hi all....
I must be missing something...

Customer has a VM 6.1 system (RSU 1101 + z114 PTFs) and SLES11 SP1
guests. Initially the guest was on a Layer3 Vswitch - no problem. They
needed to change to go to Layer2 so they could have guests on different
VLANs - but still have the Linuxes be Layer3. We:
 - Updated the IP info on the Llnuxes and shut them down and logged off.
 - Deleted (DETach) the old Layer3 Vswitch.
 - Networking changed the real switch port to trunk mode
 - We changed the TCPIP stack to Layer2 and it's VLAN - all ok..
 - We redefined the Vswitch as:
 DEFINE VSWITCH VSWITCH2 RDEV E203 ETH VLAN 999 NAT 999
 (Default PORTTYPE ACCESS)
 - Regranted the user as:
 SET VSWITCH VSWITCH2 GRANT LXTECH VLAN 301
All looks good in the queries....

But when we boot the Linux, we can see qeth try to register layer3, but
we get:
 The qeth device is not configured for the OSI layer required by z/VM

We've double checked our definitions and even bounced the system.

Have I missed something? Am I having a brain cloud?

Thanks,
Lee





--

Lee Stewart, Senior SE
Sirius Computer Solutions
Phone: (303) 996-7122
Email: [email protected]
Web: www.siriuscom.com

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