netdev - Re: about packets forwarding

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Message-ID: <128535.30433.qm@web111606.mail.gq1.yahoo.com>
Date:	Wed, 2 Sep 2009 06:14:21 -0700 (PDT)
From:	Xiaofei Wu <xiaofei_wu08@...oo.com>
To:	Mark Smith <lk-netdev@...netdev.nosense.org>
Cc:	linux netdev <netdev@...r.kernel.org>
Subject: Re: about packets forwarding





> Hello,
> 
> I have something to ask here.
> 
> The topology of the network is as follows.
> There are six Nodes (A, B, C, D, M, N).
> 
>   M
>   |
>   A
>  / \
> B   D
>  \ /
>   C
>   |
>   N
> 
> M-A, C-N are wired links.
> A-B, B-C, A-D, D-C are wireless links.
> 
> Node M wnats to communicate with node N. Because the wireless links
> are not very reliable, I want to forward the packets through A-B-C and
> A-D-C simultaneously (When Node A receives packets(from Node M) from
> its wired interface eth0, It will forward the same packets to its
> wireless interfaces wlan0 and wlan1 simultaneously) . How to implement
> this?
> 

------
Stephen Hemminger  <shemminger@...ux-foundation.org> said,

* The traffic control command 'tc filter    mirred'  probably does this, but not sure.
* Other way to do the same thing would be iptables, not sure if there is an iptables target to mirror.
------

Can you give more information about how to implement this?


      

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