IPMI BMC IP address not detected when there are multiple BMC NICs

[Christopher Berner]

Added a patch to that bug report. Let me know if you have any feedback!

On Tue, Jan 9, 2018 at 2:57 PM Christopher Berner <cberner at openai.com>
wrote:

> Thanks, for the feedback! I filed a bug report here (
> https://bugs.launchpad.net/maas/+bug/1742299), and will see if I can
> figure out a patch (never contributed to MAAS before)
>
> On Fri, Jan 5, 2018 at 9:41 AM J <dreadpiratejeff at gmail.com> wrote:
>
>> On Fri, Jan 5, 2018 at 11:36 AM, Ante Karamatić
>> <ante.karamatic at canonical.com> wrote:
>> > On Fri, Jan 5, 2018 at 4:37 PM Christian Robottom Reis <
>> kiko at canonical.com>
>> > wrote:
>> >>
>> >> On Wed, Jan 03, 2018 at 01:22:58AM +0000, Christopher Berner wrote:
>> >> > I have a ASUS RS400-E8-PS2, which has 2 LAN ports for management. One
>> >> > dedicated to the BMC, and one that's shared with the OS's LAN1. The
>> >> > dedicated one is mapped to LAN channel 1, and the shared one is
>> mapped
>> >> > to
>> >> > LAN channel 8. If I use the dedicated port, MaaS automatic enlistment
>> >> > works
>> >> > fine. However, when trying to use the shared port it fails, because
>> >> > bmc-config returns 0.0.0.0 for the IP address, unless
>> --lan-channel=8 is
>> >> > used.
>> >> > I hacked maas_ipmi_autodetect.py to use --lan-channel=8. However, is
>> >> > there
>> >> > a better solution? And if not, would you take a patch that attempts
>> to
>> >> > auto-detect the correct LAN channel to use?
>> >>
>> >> Ante, what do you think?
>> >
>> >
>> > Looking at the specifications[1] of the machine, it should have 2 LAN
>> ports
>> > and 1 BMC port.
>> >
>> > I assume this BMC port is then set in sharing mode, where it can be
>> used by
>> > both OS and the BMC itself. If that's the case, then bmc-config needs to
>> > identify which channel is used for BMC or it needs to be instructed to
>> look
>> > to all channels and ignore those that do not have an IP or are not
>> usable at
>> > all.
>>
>> I thought so too, but the config guide for that series, interestingly
>> enough, looks to be the opposite.
>>
>> See page 5-41 for a screen shot of the BMC network config in the BIOS
>> settings.
>>
>> and then the rear panel and motherboard diagrams (pages 1-6 and 4-2
>> respectively).
>>
>> It does indeed appear that you can either configure the dedicated
>> management port (DM1) OR a shared, separate port (LAN1) (not sure if
>> it would allow you to configure them simultaneously though).
>>
>> I don't believe I have ever seen this sort of network setup before.
>>
>> Jeff
>>
>> [1] https://fast.ulmart.ru/manuals/3393739.pdf
>>
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>
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