On Friday, 02/13/2009 at 02:10 EST, Steffen Maier <[email protected]> wrote:
> As far as I was told, certain versions of qeth device drivers required > the setting of a MAC address with real OSAs, because all virtual > machines would otherwise take the one MAC address of the OSA and would > end up talking with the same address to the outside no more being > distinguishable. Recent driver versions have code which generates a > unique MAC address when using real OSAs and there is no more need to > specify a MAC address. Oh, right. I keep forgetting that there are people still not using VM and VSWITCHes to handle OSA sharing. ;-) > One problem remains, though. In environments with GuestLAN or VSWITCH, > there is no need to specify a MAC address. How would a user specify the > fact that he doesn't want to set the MAC address in the parmfile? There is an attribute of the card that Linux knows about called "guestlan". I don't know if this is surfaced in the device's subdirectory or not. Alan Altmark z/VM Development IBM Endicott ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
