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Re: [LUG] mac addresses

 

You are spot on. Be aware though that the network card should report is MAC address when probed but some devices don't behave properly (I'm looking at you, nVidia) so the HWaddr will be randomly assigned at every boot.

Grant.

On Jul 15, 2012 11:44 AM, "paul sutton" <zleap@xxxxxxxxx> wrote:

I know that a mac address is a hex based number hard wired in to the
network interface

if I run ifconfig i get the following output (I have shortened this for
1 interface

eth0      Link encap:Ethernet  HWaddr f8:0f:41:21:84:bc
          inet addr:192.168.1.12  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::fa0f:41ff:fe21:84bc/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1328 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1439 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:767167 (767.1 KB)  TX bytes:163586 (163.5 KB)
          Interrupt:41 Base address:0xc000


Am I right in thinking that HWaddr is the same as this mac address as it
has the same format in terms of numbers etc

My router makes reference to mac addresses with some of the more
advanced set up options.

thanks


Paul



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