Re: [lvs-users] MAC aliases on a NIC!!

To: " users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [lvs-users] MAC aliases on a NIC!!
From: Joseph Mack NA3T <jmack@xxxxxxxx>
Date: Sun, 29 Jul 2007 09:56:01 -0700 (PDT)
On Sun, 29 Jul 2007, Ramsurrun Visham wrote:

> Hi to all,
> I wanted to know if it is possible to have a NIC respond to two
> different mac addresses. Just like a NIC can have 2 virtual IPs or
> aliases, can we have the same for MAC addresses? Is this possible?

Not much of an expert on this I'm afraid.

Some (most?) NICs as of quite a while ago (5,10?yrs) can 
have their MAC addresses changed. I haven't heard of a NIC 
having two MAC addresses. There are public and private MAC 
addresses just like there are public and private IPs, but I 
don't know that that helps you. I think there was a scheme 
where MAC addresses could be shifted from one NIC to 
another, for failover, but this was only for a limited 
number of NICs, so I don't think the scheme went anywhere. 
Whether the NIC had two MACs or not in any of the states I 
don't know.


Joseph Mack NA3T EME(B,D), FM05lw North Carolina
jmack (at) wm7d (dot) net - azimuthal equidistant map
generator at
Homepage It's GNU/Linux!

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