Date: Mon, 10 Jul 2000 11:08:03 -0600 From: Charles Randall <crandall@matchlogic.com> To: les@safety.net, freebsd-hackers@freebsd.org Subject: RE: Multiple MAC addresses per NIC Message-ID: <5FE9B713CCCDD311A03400508B8B301301C77E22@bdr-xcln.is.matchlogic.com>
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Recent threads (by subject) on related topics are,
Implementing ioctl to set MAC address -- question.
ifconfig: changing mac address
Neither discusses supporting multiple MAC addresses, but rather explicitly
setting the MAC address in a failover condition.
It appears that Bill Paul has written some code ("setmac", referred to in
the second thread above) that may provide some pointers.
Charles
-----Original Message-----
From: Les Biffle [mailto:les@ns3.safety.net]
Sent: Monday, July 10, 2000 7:20 AM
To: freebsd-hackers@freebsd.org
Subject: Multiple MAC addresses per NIC
Hello all,
This issue was discussed last year, but I can't find any information on
a resolution. We're trying to create a high availability FreeBSD
cluster with a standby machine being able to take over for a failed host,
and need the standby machine to have its own MAC address, plus the MAC
address of the failed host. The NICs we use are RealTek and Intel
EtherExpress 100. We find hints in the NIC chip databooks but no
information for us mere programmers. So, I have two questions:
1. Does anybody have sample driver code that sets up the multiple hardware
address features of these NICs?
2. Does anybody have documentation that could help me create the driver
changes? (book, PDF, publication number, anything?)
We have tried to get more documentation out of Intel, and the salesmen
are willing, but we need a publication number to get anything. They keep
giving us the databook, which list pinouts, various electrical specs,
and some theory, but it's no programmer reference.
Thanks,
-Les
--
Les Biffle Community Service... Just Say NO!
(480) 778-0177 les@safety.net http://www.les.safety.net/
Network Safety, 7802 E Gray Rd Ste 500, Scottsdale, AZ 85260
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