Re: config IBM I and printers with DHCP? -- MIDRANGE-L

DHCP should not be used for system level object such as printer
definitions.
Workstations, fine but all else should be DNS.
Jim Oberholtzer
Agile Technology Architects

On Oct 18, 2025, at 6:28 PM, Don Brown <dbrown@xxxxxxxxxxxxxxxx> wrote:

Not sure I follow.

If you assign an address statically then yes, add that address to dns
with a name.

If you assign an address with dhcp with a reservation for that mac
address again yes, add that address to dns.

But if you have a dhcp assigned address without a reservation then the
address can change and if you had created a dns entry that would now be
wrong if/when the address changed. Given that if the device gets the
address and there is never an outage and the device is never turned off
the address may not change.

Or am I missing something completely ?

Thanks
Don

Don Brown

Senior Consultant

[1]OneTeam IT Pty Ltd
P: 1300 088 400

-----Original Message-----
From: Jim Oberholtzer <midrangel@xxxxxxxxxxxxxxxxx>
Sent: Friday, 17 October 2025 10:16 AM
To: midrange-l@xxxxxxxxxxxxxxxxxx
Cc: midrange-l@xxxxxxxxxxxxxxxxxx; Don Brown <dbrown@xxxxxxxxxxxxxxxx>
Subject: Re: config IBM I and printers with DHCP?

True, but why not assign the printer a name and set it up in DNS? Easier
and better for changes when the printer inevitably dies.

Jim Oberholtzer
Agile Technology Architects

> On Oct 16, 2025, at 6:19 PM, Don Brown via MIDRANGE-L
<midrange-l@xxxxxxxxxxxxxxxxxx> wrote:
>
> On the dhcp server you can reserve addresses by MAC address.
>
> When for example the IBMi sends a DHCP request the DHCP server will
use
> the MAC address to search for a reservation and return the reserved
> address.
>
> While I have not done this for a server I do it regularly for my
laptop so
> I always have the same IP address for a number of reasons.
>
> Cheers
> Don
>
>
>
> Don Brown
>
> Senior Consultant
>
> [1]OneTeam IT Pty Ltd
> P: 1300 088 400
>
> -----Original Message-----
> From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Bob
> Cagle
> Sent: Friday, 17 October 2025 4:34 AM
> To: Midrange Systems Technical Discussion
<midrange-l@xxxxxxxxxxxxxxxxxx>
> Subject: Re: config IBM I and printers with DHCP?
>
> I don't see how you could set an IP outq without having a static IP
> address.
>
> Thanks
>
> Bob Cagle
>
> IT Manager
>
> Lynk, Inc.
>
> ________________________________
> From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> on behalf of
> Jerry Draper <midrangel@xxxxxxxxxxxxx>
> Sent: Thursday, October 16, 2025 1:28 PM
> To: Midrange Systems Technical Discussion
<midrange-l@xxxxxxxxxxxxxxxxxx>
> Subject: config IBM I and printers with DHCP?
>
> Company acquired company with an IBM I system.
>
> Their IT folks want to configure all IBM I printers to be DHCP.
>
> Also, they want to set the IBM I system IP to DHCP.
>
> Surely this is NOT possible.
>
> Jerry
>
> --
> Jerry Draper, Trilobyte Software Systems, since 1976 IBM I, Network,
and
> Connectivity Specialists, LAN/WAN/VPN Representing WinTronix, Synapse,
> HiT, and others .....
> (415) 457-3431 .[2][2]www.trilosoft.com
> --
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