Does anybody have insight on the workings of the Intrusion detect
flags with IPMI?
On SuperMicro machines, with SIMSO+ cards as wel as SIMSO-HTC card,
there is support for an 'intrusion detect' event: if one opens
the chassis, a switch will trigger which will set a flag.
Every time you reboot, the flag leaves an event in the event log.
This flag isn't self-resetting and I wonder how, with imitool,
I can reset it. I've successfully reset it using the SuperMicro
propietary tools (the GUI tool as well as ipmicli), but I can't
figure out how they do this.
I've looked at the IPMI 2.0 spec and found a 'Re-arm Sensor Events'
command (sensor device commands, Sensor/Event NetFn, command 0x2a),
which ipmitool 1.8.10 doesn't know about.
In fact, looking at ipmi_sdr.h, this command is skipped in the
enumaration of the sensor commands.
As an experiment, I sent raw commands ('raw 0x04 0x2a 0xaa 0x00')
which is understood and accepted by the IPMI module, but
still keeps the intrusion event flag active and doesn't reset it,
so I guess implementing this command in ipmitool would not solve
my problem.
Reading the archives and searching yields little info except
'use the linux tool' which I don't want to do.
I've tried reading the protocol but it's using RMCP+ and hence
the network traffic is encrypted.
There is little info about this and I'm probably overlooking something.
Please enlighten me.
Thanks,
Geert Jan
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