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Re: getting mac address

by SciDude (Friar)
on Oct 09, 2004 at 01:07 UTC ( #397817=note: print w/ replies, xml ) Need Help??


in reply to getting mac address

This is not exactly a perl question... but here is one answer.

Simple MAC queries depend upon the operating system used:
Operating systemMethod
Windows 95 and newerwinipcfg
Windows NT and neweripconfig /all
Linux and some Unixifconfig -a
Macintosh with Open TransportTCP/IP Control Panel - Info or User Mode/Advanced
Macintosh with MacTCPTCP/IP Control Panel - Ethernet icon

In addition, you can also find the MAC of all computers on your network. If using linux, the arp utility (/sbin/arp) will display cached arp requests on your machine:

$ ./arp -a ? (192.168.1.1) at 00:06:25:E7:E8:09 [ether] on eth1 ? (192.168.1.101) at 00:06:25:2F:69:6F [ether] on eth1

You may have to ping the machine first to ensure the information is contained in the cache.

Manufacturer Information

On a side note, the first 24 bits of the MAC identifies the device manufacturer via the Organizationally Unique Identifiers (OUI). A simple perl script can probe the IEEE database of OUI to determine the related hardware per MAC address.

CPAN

You may also want to look at SNMP::BridgeQuery


SciDude
The first dog barks... all other dogs bark at the first dog.


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