avoid ip forward replaces the source MAC address

Christophe Aeschlimann c.aeschlimann at acn-group.ch
Wed Feb 2 04:16:03 EST 2011


On 01.02.2011 20:39, John Mahoney wrote:
> On Tue, Feb 1, 2011 at 2:27 PM, Elvis Yoan Tamayo Mollares
> <etmoyares at grm.uci.cu> wrote:
>> hi list, during ip forwarding process, the kernel replace the source MAC
>> address of the package it received with my own MAC address.. My question
>> is: Is there any way to avoid this behavior?
> 
> That is what routing does at the ip layer.  You may be able to
> accomplish this by bridging the two ports together so that the traffic
> is handled at layer 2.


Indeed, have a look at :

http://www.linuxfoundation.org/collaborate/workgroups/networking/bridge

> --
> John

-- 
Christophe Aeschlimann

Embedded Software Engineer

ACN Advanced Communications Networks S.A.

Rue du Puits-Godet 8a
2000 Neuchâtel, Switzerland

Tél. +41 32 724 74 31

c.aeschlimann at acn-group.ch



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