Date: Tue, 25 Jan 2011 09:03:05 +1000 From: Da Rock <freebsd-questions@herveybayaustralia.com.au> To: freebsd-questions@freebsd.org Subject: Re: Changing the MAC address on a LAN adapter Message-ID: <4D3E0529.8090404@herveybayaustralia.com.au> In-Reply-To: <4D3DC87E.1010400@blakemfg.com> References: <20110123023834.19098.qmail@joyce.lan> <AANLkTinB_CFrZN6oHGS3DA5TZnfafggc95MX=juTgKp=@mail.gmail.com> <alpine.BSF.2.00.1101230946080.93018@joyce.lan> <AANLkTi=S5FHNQwu7ZgavF_-TgckFW1AsiY8ZRUKMWawk@mail.gmail.com> <4D3D9CBC.7060700@herveybayaustralia.com.au> <4D3DC87E.1010400@blakemfg.com>
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On 01/25/11 04:44, Fred wrote: > Da Rock wrote: >> On 01/25/11 01:14, Paul B Mahol wrote: >>> On Sun, Jan 23, 2011 at 3:47 PM, John R. Levine<johnl@iecc.com> wrote: >>>>>> Is this a known problem? As far as I know, it's supposed to work. >>>>> How you change MAC address? With "ether" command? >>>> # ifconfig em0 ether 01:17:a4:8f:04:5d >>> Well, if it does not work it can be driver bug. >>> >>> In iwn case try to set MAC address of iwn before creating wlan or >>> you will need to set same MAC on wlanX and iwn. >> Actually I can confirm that. I use lagg for failover, and I remember >> now you have to set the 'real' interface to the MAC of the other lagg >> member, not a 'psuedo-device' or it won't work. Same principle >> applies here. >> >> HTH >> _______________________________________________ >> freebsd-questions@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-questions >> To unsubscribe, send any mail to >> "freebsd-questions-unsubscribe@freebsd.org" >> >> >> > Ethernet MAC addresses are assigned by the manufacturer of the > equipment. Each unit gets a unique address which generally can't be > changed and shouldn't be changed. The manufacturer buys a block of > addresses from the IEEE. > > Best regards, > Fred Yes, but for lagg to work both adapters need the same MAC- otherwise routing wouldn't work properly (long story short). BTW, my wifi is iwn and I have had no trouble.
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