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Date:      Fri, 14 Dec 2012 14:46:33 -0800 (PST)
From:      "Chris H" <chris#@1command.com>
To:        "freebsd-net" <freebsd-net@freebsd.org>
Subject:   Re: MAC cloning available like Linux has?
Message-ID:  <22dff5a60850319d50ce4f1a07309562.authenticated@ultimatedns.net>
In-Reply-To: <CA%2BtpaK2ooetDd%2BNE3WNbAQ_3_Kcxit8jvyVf4X9X2wxUc9R4Rg@mail.gmail.com>
References:  <fbb9a110e10541ca977e38c0078b8cd4.authenticated@ultimatedns.net> <dcf4605249a8bff03454b85056c62ba4.authenticated@ultimatedns.net> <CA%2BtpaK2ooetDd%2BNE3WNbAQ_3_Kcxit8jvyVf4X9X2wxUc9R4Rg@mail.gmail.com>

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> On Fri, Dec 14, 2012 at 12:11 PM, Chris H <chris#@1command.com> wrote:
>
>> > Greetings,
>> >  I attempted another BSD install on another piece of hardware the
>> > other day. I'm evaluating a different ISP, and the gateway/router/modem
>> > they provided, has 1 ether, which I currently use on my server, and 1
>> > USB(3) port that I had intended to use with the new install. Problem I
>> > ran into, was that BSD generates random (fake) MAC(3) addresses, when
>> > utilizing the CDCE(4)/ue0. This worked just fine during the install.
>> > But the modem "held" the MAC(3) generated during the install, and I
>> > now have no idea how to tell BSD to use that MAC(3) when negotiating
>> > with the modem. I had absolutely no difficulty assigning the MAC(3)
>> > address when spinning up several "live" Linux distro(s) -- they provide
>> > the following:
>> > su
>> > password: ***
>> > ifconfig eth1 down
>> > ifconfig eth0 hw ether ##:##:##:##:##:##
>> > dhclient eth0
>> > blah, blah, blah
>> EDIT
>> those _should_ have all read "eth1" in the session quoted above.
>> Sorry.
>> >
>> > And I'm connected.
>> > Couldn't manage that with BSD. What must I do? Is it even possible?
>> > If so, can it be assigned for use on a permanent basis?
>> >
>> > Thank you for all your time, and consideration.
>>
>>
> http://lmgtfy.com/?q=freebsd+change+mac+address

Further internet searches provided useless, incorrect information.
So, just for kicks, I spun up, and installed a copy PC-BSD-9.
The LXDE desktop provided a network applet that allowed to use
the hardware MAC(3), or one of my choosing. I chose my own.
But even that failed. So I attempted to use:

 # ifconfig ue0 ether ##:##:##:##:##:##
 # ifconfig ue0
ether ##:##:##:##:##:##
 # dhclient ue0
blah, blah, blah
 # ping yahoo.com
64 bytes from 98.138.253.109: icmp_seq=0 ttl=53 time=48.867 ms
64 bytes from 98.138.253.109: icmp_seq=1 ttl=53 time=51.118 ms
64 bytes from 98.138.253.109: icmp_seq=2 ttl=53 time=80.145 ms
64 bytes from 98.138.253.109: icmp_seq=3 ttl=53 time=48.964 ms

OK. So it is possible with BSD. Let's try to make it permanent!
adding any of the following attempts failed miserably:
ifconfig_ue0="ether ##:##:##:##:##:## DHCP"

ifconfig_ue0="DHCP"
ifconfig_ue0_alias0="ether ##:##:##:##:##:##"

So apparently it's not possible (for me) to accomplish this
with anything but Linux. Bummer, have used BSD exclusively
since the early 80's. Couldn't imagine having to use anything
else. :(


>
> --
> Adam Vande More
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