Subject: Re: dhcp(8) _cannot_ be completely disabled on an interface
To: David Laight <David.Laight@btinternet.com>
From: Andrew Brown <firstname.lastname@example.org>
Date: 01/12/2002 11:06:04
>> i was thinking of the link layer address. there's currently no way to
>> get that from the network layer in the kernel on a per-packet basis,
>> unlike, say, the receiving ip address.
>What makes you think the link layer address is unique?
because it has to be?
>It only needs to be unique on a (bridged) LAN segment.
there, like that.
>Indeed some of the sBus ethernet cards sold by sun do not have a MAC
>address PROM. The solaris driver (and I assume the netbsd one) uses
>the system mac address for these add-on cards.
sure, i knew that. suns (by default) take the top three octets of the
mac address from the prefix assigned to them by sun, who gets it from
iee, i suppose) and the bottom three from the hostid and use the same
mac address on each physical interface. typically, there should be no
reason not to. in practice, however, i don't like it, so i set this:
and it uses the mac address from the interface, not the constructed
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