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Re: [Qemu-devel] [PATCH] s390: set DHCP client architecure id for netboo
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From: |
Viktor Mihajlovski |
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Subject: |
Re: [Qemu-devel] [PATCH] s390: set DHCP client architecure id for netboot |
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Date: |
Mon, 11 Sep 2017 16:44:29 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 |
On 11.09.2017 15:58, Thomas Huth wrote:
> On 11.09.2017 12:33, Viktor Mihajlovski wrote:
>> Setting the client architecture DHCP option to 0x001f (s390 Basic) [1]
>> allows the DHCP server to return a s390-specific bootfile if wanted.
>> DHCP servers not configured for the option (or not yet recognizing the
>> option value) will continue to work as they have done before.
>>
>> [1] https://www.iana.org/assignments/dhcpv6-parameters
>
> Ah, nice, you already registered a value for s390x :-)
> May I ask what's the difference between "Basic" and "Extended" there?
>
sure, "Basic" stands for the "classic netboot", i.e. a single binary
file is designated by the bootfile in the DHCP reply.
"Extended" is the mode implemented by Dynamic Partition Manager, where
the bootfile is some sort of configuration file.
[...]
--
Mit freundlichen Grüßen/Kind Regards
Viktor Mihajlovski
IBM Deutschland Research & Development GmbH
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