Thanks Steffen for a thorough reply - we will dig on this...
-Mike
On Thu, Nov 17, 2016 at 9:21 AM, Steffen Maier <[email protected]>
wrote:
> Hi Mike,
>
> On 11/17/2016 01:15 PM, Michael MacIsaac wrote:
>
>> Is there any documentation on how to install RHEL 7 using DHCP?
>>
>> The current "Cookbook" only shows how to static IP (who wrote that thing?
>> :)) The Red Hat documentation on line alludes to DHCP, but does not have a
>> specific example - perhaps I'm missing it.
>>
>
> The RHEL installation guide describes (a subset of) the "ip=" (pseudo)
> kernel parameter syntax:
> https://access.redhat.com/documentation/en-US/Red_Hat_Enterp
> rise_Linux/7/html/Installation_Guide/chap-installer-booting-
> ipl-s390.html#sect-customizing-generic-prm-s390
> refers to:
> https://access.redhat.com/documentation/en-US/Red_Hat_Enterp
> rise_Linux/7/html/Installation_Guide/chap-anaconda-boot-
> options.html#list-boot-options-network
> (It also occurs in the x- and p-specific network install chapter of which
> some parts are common code and also apply to z:
> https://access.redhat.com/documentation/en-US/Red_Hat_Enterp
> rise_Linux/7/html/Installation_Guide/chap-installation-server-setup.html)
>
> I think omitting the "ip=..." entirely also defaults to dhcp.
>
> A kickstart file itself also has some dhcp syntax (network
> --bootproto=dhcp):
> https://access.redhat.com/documentation/en-US/Red_Hat_Enterp
> rise_Linux/7/html/Installation_Guide/sect-kickstart-syntax.
> html#sect-kickstart-commands
>
>
> On z Systems you likely still need "rd.znet=..." if you use a native
> network device.
>
>
> The full syntax of the ip= parameter (not sure if RHEL supports all of
> this) is described for the dracut upstream project in
> https://www.kernel.org/pub/linux/utils/boot/dracut/dracut.html#_network.
>
> The anaconda upstream documentation has its own (subset?) copy under
> https://github.com/rhinstaller/anaconda/blob/master/docs/
> boot-options.rst#network-options or https://rhinstaller.github.io/
> anaconda/boot-options.html#network-options, but since RHEL7 uses dracut
> even for the installer initrd it's the same mechanism as in my previous
> paragraph.
>
>
> --
> Mit freundlichen Grüßen / Kind regards
> Steffen Maier
>
> Linux on z Systems Development
>
> IBM Deutschland Research & Development GmbH
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