Alan,
Will there be a new version of CP Planning and Administration to
document this change?
Dennis
"If I'd only followed CNBC's advice, I'd have $1 million today, provided
I'd started with $100 million." -- Jon Stewart
-----Original Message-----
From: The IBM z/VM Operating System [mailto:[email protected]] On
Behalf Of Alan Altmark
Sent: Friday, April 17, 2009 07:07
To: [email protected]
Subject: [IBMVM] heads up! VM64604 to change to VSWITCH defaults
You all know that I've posted copiously about VLAN configuration for the
VSWITCH and the relationship of the default VLAN id (a guest <-> CP
thing)
to the native VLAN id (a CP<->switch thing).
Today, when you define a trunking VSWITCH (specify the VLAN <defvid>
option), the native vlan ID (NATIVE <natvid>) defaults to <defvid>. In
almost every case this is wrong, since almost all switch configurations
keep VLAN 1 as the native VLAN id.
z/VM 5.4 APAR VM64604 (likely to close next week) will change that.
With
the APAR, the native VLAN id for a virtual switch will default to 1.
You
can override it if you want, but it will no longer default to the value
specified on the VLAN keyword.
It's a Good Thing and will help a larger percentage of trunking
VSWITCHes
work correctly right out of the box.
There is no change to prior releases.
Regards,
Alan
Alan Altmark
Sr. Software Engineer
IBM z/VM Development
