How can I tell which interface my Supemicro IPMI is piggybacking on?

Posted by lorin on Server Fault See other posts from Server Fault or by lorin
Published on 2010-05-23T22:16:01Z Indexed on 2010/05/23 22:21 UTC
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ubuntu

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ipmi

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supermicro

I've used IPMI before, but only on servers where the IPMI interface had a dedicated ethernet port. I've got an Ubuntu 10.04 server with two ethernet cards, which is supposed to have an IPMI interface on it (the motherboard is a Supermicro H8DMR-I2). From what I understand, the IPMI interface is piggybacking on one of the two NICs.

Is there any way I can tell which NIC the IPMI interface is piggybacking on? Using ipmitool I've tried to set the IP address on the IPMI interface for the subnet for eth0, and then the subnet for eth1, and it's never reachable.

(Can you even reach an IPMI interface from the same NIC it's piggybacking off of, or do you need to try connecting from a different machine on the network?)

Also, is there anything special I need to do to enable it? I can access the IPMI interface locally using "ipmitool".

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