Ethereal-dev: Re: [Ethereal-dev] Is there a NIC that can filter on multiple MAC addresses?
Interesting. Thanks for the feedback! Are these 3COM cards? Do you have
any experience with this on a Windows OS (NT or 2000)?
----- Original Message -----
From: "Guy Harris" <guy@xxxxxxxxxx>
To: "Mike Bendickson" <bendi003@xxxxxxxxxx>
Cc: <ethereal-dev@xxxxxxxxxxxx>
Sent: Wednesday, January 09, 2002 1:06 PM
Subject: Re: [Ethereal-dev] Is there a NIC that can filter on multiple MAC
addresses?
> > My apologies if this isn't the right place to pose this question.
> >
> > Does anyone know of a way to have a NIC filter packets from a list of
MAC
> > addresses.
>
> Some network interfaces can be given more than one MAC address to which
> to listen. I don't know all the ones that can - but all of the Ethernet
> interfaces Network Appliance have used on machines that support our
> clustered failover capability, for example, support that (as we use it
> for failover - the failover partner of a dead machine takes over that
> machine's MAC addresses).
>
> > I would also need to be able to modify the list (add/remove) of MAC
> > addresses from a program in real time.
>
> On some OSes you can add and remove MAC addresses from an interface's
> list of MAC addresses *if* the interface and its driver support it.
> Some UNIXes, for example, support SIOCxxx ioctl's to do that.
>
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