MAC address generator script
Bill Davidsen
davidsen at tmr.com
Sun Oct 25 02:45:32 UTC 2009
Todd Zullinger wrote:
> Eugeneapolinary Ju wrote:
>> I just can't find a script that generates a valid MAC address :S
>>
>> Has anyone has one?
>
> There's one in the cobbler source code (which was pulled from xen).
> Something like this perhaps:
>
For my dime python readability falls somewhere between lisp and apl, but thanks,
this may be useful for testing when multiple VMs are needed to generate load.
> $ cat /tmp/genmac.py
> #!/usr/bin/python
>
> import random
>
> def generate_random_mac():
> """
> Generate a random MAC address.
> from xend/server/netif.py
> Generate a random MAC address.
> Uses OUI 00-16-3E, allocated to
> Xensource, Inc. Last 3 fields are random.
> return: MAC address string
> """
> mac = [ 0x00, 0x16, 0x3e,
> random.randint(0x00, 0x7f),
> random.randint(0x00, 0xff),
> random.randint(0x00, 0xff) ]
> mac = ':'.join(map(lambda x: "%02x" % x, mac))
>
> return mac
>
> print generate_random_mac()
>
>
--
Bill Davidsen <davidsen at tmr.com>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot
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