[Freedombox-discuss] Dev: DreamPlug Networking Fixed?
Anders Jackson <anders.jackson at gmail.com> writes:
> Den 18 jan 2014 23:10 skrev "Nick Daly" <nick.m.daly at gmail.com>:
>>
>> If the system detects an interface without a MAC address, we'll try
>> to use macchanger to set it, or just generate a dummy MAC address
>> (00:00:00:XX:XX:XX).
>
> The first octet should at least be 02 and not 00. The two last bits
> in first octet say if it is a locally administered or globally unique
> (OUI) MAC-address and if its an uni- or multicast MAC-address.
>
> So you want them to be 10 and not 00 (02:00:00:XX:XX:XX).
Hi Anders, I've updated the generated MAC to comply with the rule.
However, MACs appear to have been assigned in violation of that rule, so
I don't know how reliable it is. For example, the output of `macchanger
-l` includes these entries:
12619 - 02:07:01 - Racal-datacom
12620 - 02:1c:7c - Perq Systems Corporation
12621 - 02:60:86 - Logic Replacement Tech. Ltd.
12622 - 02:60:8c - 3com Corporation
12623 - 02:70:01 - Racal-datacom
12624 - 02:70:b0 - M/a-com Inc. Companies
12625 - 02:70:b3 - Data Recall Ltd
12626 - 02:9d:8e - Cardiac Recorders Inc.
12627 - 02:aa:3c - Olivetti Telecomm Spa (olteco)
12628 - 02:bb:01 - Octothorpe Corp.
12629 - 02:c0:8c - 3com Corporation
12630 - 02:cf:1c - Communication Machinery Corp.
12631 - 02:e6:d3 - Nixdorf Computer Corporation
Go figure.
Nick
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