On Freitag, 11. Mai 2018 13:33:03 CEST Dongming Han wrote: [...] > Is it suitable for batman-adv to work on GL-AR750 > by changing WLAN MAC to locally administered MAC?
As mentioned in the previous mail, this is what I need to do before I attach the interface to a batman-adv interface. > Would you please kindly sugguest some standard or specification vioation of > current MAC allocation schema? I would recommend to ask the IEEE here. They already provide a (actually multiple) document(s) about their regauth: http://standards.ieee.org/develop/regauth/tut/eui.pdf (see "Extended Unique Identifiers"). "With some exceptions, particularly with regard to protocol identifiers, each EUI is intended to be globally unique and bound to a hardware device instance or other object that requires unique identification. EUI-48 and EUI-64 identifiers are most commonly used as globally unique network addresses (sometimes called MAC addresses), as specified in various standards. For example, an EUI-48 is commonly used as the address of a hardware interface according to IEEE Std 802, historically using the name “MAC-48”. [... cut out the part about universally/locally administered bit and individual/group bit ...]. A universally administered address is intended to be a globally unique address." There are most likely also other things out there in the 802.3 standard(s). And maybe there are also some documents which advertise non-unique addresses for network interfaces - not sure whether there is also one from the IEEE because I cannot even name a single one from a well recognized standards body. Feel free to extend the list of official documents about this problem and correct me. Kind regards, Sven
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