Translate MAC address to IP address

[Lars Eggert]

Nick Barnes wrote:

> [-net seems to be the right forum for this.]
> 
> I have some MAC addresses from a local Ethernet segment.  I want to
> convert them into IP addresses.  How can I do that programmatically?

net/arping from port:

[root at nik: ~] arping -i em1 00:07:e9:0a:23:91
ARPING 00:07:e9:0a:23:91
60 bytes from 128.9.168.57 (00:07:e9:0a:23:91): icmp_seq=0 time=5.453 msec
60 bytes from 128.9.168.57 (00:07:e9:0a:23:91): icmp_seq=1 time=9.980 msec
60 bytes from 128.9.168.57 (00:07:e9:0a:23:91): icmp_seq=2 time=9.981 msec
^C
--- 00:07:e9:0a:23:91 statistics ---
3 packets transmitted, 3 packets received,   0% unanswered

Lars
-- 
Lars Eggert <larse at isi.edu>           USC Information Sciences Institute
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