Re: 14 byte MAC addresses? How can this be?

From: Gary Desrosiers (nospam_at_cox.net)
Date: 06/20/03


Date: Thu, 19 Jun 2003 23:12:47 GMT

Ethernet header = 6byte dest mac + 6byte source mac + 2byte frame type = 14
bytes total.

Gary

Lucius Chiaraviglio wrote:

> I just got the firewall (personal edition) set up on Linux From Scratch
> 4.1/ Beyond Linux From Scratch 1.0, and got some console messages
> indicating
> receipt of some packets. The strange thing is, they really long MAC
> addresses like "MAC=ff:ff:ff:ff:ff:ff:00:00:c0:6a:d4:f9:08:00" (for
> packets from my Windows NT 4.0 computer) or
> "MAC=ff:ff:ff:ff:ff:ff:00:80:c8:1a:90:c7:08:00"
> (for packets originating from the router/switch itself). Is this for some
> planned future expansion of MAC addresses, or are bytes for other stuff
> getting tacked onto the front of each MAC address?
>



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