Thanks Bjorn for the reply.

On Tue, Oct 8, 2013 at 1:43 PM, Bjørn Mork <[email protected]> wrote:

> Ajay Garg <[email protected]> writes:
>
> > We are trying to change the MAC-address on a RHEL6 machine, and have
> tried
> > the various RHEL6-specific steps (available on the internet) to do the
> same.
> > The end result is that we are able to change the MAC address, but
> > thereafter, all incoming and outgoing network packets are dropped.
> >
> > If we revert the MAC address to the "original" one, all
> incoming/outcoming
> > packets navigate fine.
>
> This sounds like it could be a driver bug.  Which driver?
>

Doing a grep in dmesg, shows as ::

[ajay@localhost]$  dmesg | grep 'Ethernet driver'
r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded


Also, I assume you meant that the packets being dropped is the bug, and not
the "packets being allowed fine after reverting MAC address" :-P





>
> > Keeping aside any moral constraints :P, is it possible at all to "spoof"
> a
> > MAC address on RHEL6?
>
> Changing the MAC address should be possible on Ethernet.  Or you can't
> run DECnet ;-)
>
> But you didn't even tell us if this was an ethernet interface....
>

Ahh, sorry for being unclear before --- it is a vanilla ethernet "eth0"
interface.




>
>
> Bjørn
>
>

Thanks again for the reply; I hope the information provided helps in
solving the issue :)


-- 
Regards,
Ajay
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