[afnog] Bind IP address to MAC Address

[Brian Candler]

On Wed, Jun 30, 2010 at 03:55:42PM +0200, Geert Jan de Groot wrote:
> If the first byte of the MAC address is odd (0100.0000.0000)
> then that is a multicast address which would explain why Cisco
> put restrictions on blocking, etc.

Cisco shows (in some circumstances) a 7 byte MAC address, where the first
byte is the ARP/DHCP hardware type.  01 = "Ethernet (10Mb)"

So 0100.24b2.0d3d.43 should be read as 0024.b20d.3d43.
(And 0024b2 prefix is Netgear)

Cheers,

Brian.