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Date:      Mon, 22 Aug 2005 14:53:44 -0700 (PDT)
From:      Danial Thom <danial_thom@yahoo.com>
To:        dpk <dpk@dpk.net>, freebsd-questions@freebsd.org
Subject:   Re: OT: Supermicro IPMI 2.0 boards
Message-ID:  <20050822215344.84711.qmail@web33303.mail.mud.yahoo.com>
In-Reply-To: <20050822133149.Y71377@shared10.hosting.flyingcroc.net>

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--- dpk <dpk@dpk.net> wrote:

> I wasn't able to find anything about this on
> Google unfortunately. Hoping
> that if this thread can determine the problem,
> others will be able to find
> it.
> 
> We ordered a whole batch of servers which have
> the IPMI 2.0 board (I am
> pretty sure). When they first come online they
> seem to have the MAC
> 00:30:48:12:34:56 . Then at some point they
> take on the real NICs MAC
> address.
> 
> The problem is that some of them aren't, and
> the IPMI 2.0 boards do not
> seem to be supported/working under FreeBSD yet.
> The older versions of the
> board did work previously, using the 'freeipmi'
> port. On these servers the
> tools just hang indefinitely.
> 
> The situation is getting more serious as it may
> be causing spanning tree
> problems. We're getting warnings from our
> switches every 15 seconds about
> 00:30:48:12:34:56 being swapped from port to
> port and switch to switch.
> While on the servers themselves, I'm seeing a
> steady stream of:
> 
> 13:37:37.023915 arp who-has 192.168.1.113 tell
> 192.168.1.113
> 13:37:37.119740 arp who-has 192.168.1.113 tell
> 192.168.1.113
> 13:37:37.213317 arp who-has 192.168.1.113 tell
> 192.168.1.113
> 13:37:37.271162 arp who-has 192.168.1.113 tell
> 192.168.1.113
> 13:37:37.522533 arp who-has 192.168.1.113 tell
> 192.168.1.113
> 13:37:37.720931 arp who-has 192.168.1.113 tell
> 192.168.1.113
> 
> If I bring up that IP on one of the servers,
> dmesg fills up with entries
> about other servers claiming the IP for their
> own. Most of the entries
> have the real MAC address, and some of them
> have the 12:34:56 entry:
> 
> arp: 00:30:48:83:0b:4a is using my IP address
> 192.168.1.113!
> arp: 00:30:48:83:0c:38 is using my IP address
> 192.168.1.113!
> arp: 00:30:48:83:0b:e2 is using my IP address
> 192.168.1.113!
> arp: 00:30:48:12:34:56 is using my IP address
> 192.168.1.113!
> arp: 00:30:48:83:aa:84 is using my IP address
> 192.168.1.113!
> arp: 00:30:48:83:0c:04 is using my IP address
> 192.168.1.113!
> arp: 00:30:48:83:0c:06 is using my IP address
> 192.168.1.113!
> 
> FWIW, we don't use the 192.168.1 block anywhere
> on our network, so none of
> us know why it picked that particular IP
> address.
> 
> I realize this is totally off-topic but I'm
> hoping others have been using
> these servers and may know a solution to the
> problem. If this message is
> totally inappropriate please feel free to reply
> off-list. In that case I'd
> collect the replies and post the solution
> somewhere (giving credit
> obviously).
> _______________________________________________
> freebsd-questions@freebsd.org mailing list

A more important question is: why did you "order
a whole bunch of servers" without testing one
first? A curious approach to computing.

DT

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