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Old 12-25-2005, 04:59 AM   #1
LQ Newbie
Registered: Nov 2005
Posts: 10

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MAC Cloning

Hello All,

When I try to change my mac address to 01:02:03:04:05:06 in My RHEL4
(AS) box I use the command,

#ifconfig eth0 down
#ifconfig eth0 hw ether 01:02:03:04:05:06 up

It comes up with an error that device is busy and I am not able to
change the MAC.

I edited /etc/sysconfig/network-script/ifcfg-eth0 as

As well as added "ifconfig eth0 hw ether 01:02:03:04:05:06"
to /etc/rc.d/rc.local file but no use I am not able to change
my MAC address.

Any Solution????

P.S. arp -s host 01:02:03:04:05:06 pub is not working too.
Old 12-25-2005, 07:21 AM   #2
Senior Member
Registered: Oct 2003
Posts: 3,057

Rep: Reputation: 59
Try this...

service network stop

nameif eth0 01:02:03:04:05:06

or this

ifconfig eth0 hw ether 01:02:03:04:05:06

service network restart


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