Re: 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 system Method

Windows 95 and newer winipcfg
Windows NT and newer ipconfig /all

Linux and some Unix ifconfig -a

Macintosh with Open Transport TCP/IP Control Panel - Info or User Mode/Advanced

Macintosh with MacTCP TCP/IP Control Panel - Ethernet icon

Operating system	Method
Windows 95 and newer	`winipcfg`
Windows NT and newer	`ipconfig /all`
Linux and some Unix	`ifconfig -a`
Macintosh with Open Transport	`TCP/IP Control Panel` - `Info` or `User Mode/Advanced`
Macintosh with MacTCP	`TCP/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
[download]

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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