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xen-devel
RE: [Xen-devel] ARP problems in -testing?
> ah, cool. it makes me wonder though.
>
> in the IP the 10.x.x.x and 192.168.x.x are reserved for private use?
> is there such MAC address space reserved as well?
>
> looking a bit around the web I was unable to find such guideliness.
>From xen/xm/create.py:
def randomMAC():
"""Generate a random MAC address.
Uses OUI (Organizationally Unique Identifier) AA:00:00, an
unassigned one that used to belong to DEC. The OUI list is
available at 'standards.ieee.org'.
The remaining 3 fields are random, with the first bit of the first
random field set 0.
@return: MAC address string
"""
random.seed()
mac = [ 0xaa, 0x00, 0x00,
random.randint(0x00, 0x7f),
random.randint(0x00, 0xff),
random.randint(0x00, 0xff) ]
return ':'.join(map(lambda x: "%02x" % x, mac))
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