>Managing MACIDs is actually way *less* complicated than IPs since you
>don't have to worry about global uniqueness or subnet boundaries.
The network people worry about global uniqueness and subnet boundaries, and
they give us an IP address range to use. We have to make sure that the guest
gets the right address. I don't see how doing that with MACID's is any less
complicated than what we're doing now. Perhaps it comes down to what you're
comfortable with. I'm most comfortable in CMS, so using a Linux guest as a
DHCP server, with all the patch management and everything else that comes with
Linux, seems a lot more complicated than a few CMS files.
Dennis
"I'm not a football expert." -- San Francisco 49ers CEO Jed York
-----Original Message-----
From: Linux on 390 Port [mailto:LINUX-390@vm.marist.edu] On Behalf Of Alan
Altmark
Sent: Friday, January 22, 2016 18:29
To: LINUX-390@vm.marist.edu
Subject: Re: SSI guest best practice
On Saturday, 01/23/2016 at 01:13 GMT, "O'Brien, Dennis L"
<dennis.l.o'br...@bankofamerica.com> wrote:
> Like Marcy said, I don't see anything to gain by involving the DHCP
people.
> Managing MACID's is no less complicated than managing IP addresses.
Managing MACIDs is actually way *less* complicated than IPs since you
don't have to worry about global uniqueness or subnet boundaries. For
those with a liberal attitude about DHCP, you don't have to use the MACID.
You can pass the VM user ID to the DHCP server instead.
And you don't have to turn over operations to The Network People if you
don't want to. I was just being a troll. :-) Use a Linux guest and
control IP address assignment based on DHCP config, all in a single
location. That eliminates CMS from the Linux guests, avoiding any
CMS/LGR "entanglements", and dead relocation is good enough for the DHCP
server.
Alan Altmark
Senior Managing z/VM and Linux Consultant
Lab Services System z Delivery Practice
IBM Systems & Technology Group
ibm.com/systems/services/labservices
office: 607.429.3323
mobile; 607.321.7556
alan_altm...@us.ibm.com
IBM Endicott
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