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

[Christopher Berner]

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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