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Re: send-hostname/DHCP Option 12 for lab environment?


From: Felix Lechner
Subject: Re: send-hostname/DHCP Option 12 for lab environment?
Date: Wed, 09 Oct 2024 16:38:22 -0700

Hi Thom,

On Wed, Oct 09 2024, Thom R Harmon wrote:

> I cannot configure how to tell Guix System DHCP client nodes to use
> send-hostname/DHCP Option 12.

Did you already try the 'host-name' option from the example in the
manual page for dhclient? [1]

I never tried it but you can probably pass a file-like object [2] as a
'config-file' field [3] to the dhcp-client-service-type.

The '-H' option to dhclient looks like DHCP option twelve. [4]

Kind regards
Felix

[1] https://linux.die.net/man/5/dhclient.conf
[2] like this, 
https://codeberg.org/lechner/system-config/src/commit/a61e3731399bcd0f26a85688cd7ee37107b3266c/host/wallace-server/operating-system.scm#L473
[3] 
https://guix.gnu.org/manual/devel/en/html_node/Networking-Setup.html#index-dhcp_002dclient_002dconfiguration
[4] 
https://github.com/isc-projects/dhcp/blob/572032cb0e514606559de3784e3f7ca8e1539d17/includes/dhcp.h#L101



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