RE: Ethernet bridging on MPC8248

Hi Ole,

Maybe those mails from archives would answer your questions. As long as
I know this is still present in kernel:

http://ozlabs.org/pipermail/linuxppc-embedded/2004-October/015617.html
http://ozlabs.org/pipermail/linuxppc-embedded/2004-October/015620.html

So, you have to change set_multicast_list to support the promiscous mode
needed by your bridge.

Best regards,

Alex.

-----Original Message-----
From:	Ole Andreas Torvmark [SMTP:ole.torvmark@radionor.no]
Sent:	Monday, May 02, 2005 11:28 AM
To:	linuxppc-embedded@ozlabs.org
Subject:	Ethernet bridging on MPC8248

Hi !

I've a custom board with a MPC8248 with two LXT972 10/100MBit ethernet
phys.

The board is running 2.6.9-rc1, and I'm using the FCC ENET Version 0.3 
driver with some modifications.

My question is :

I've tried to get ethernet briding between the two ethernet ports to work.

I've set up the following :

ifconfig eth0 0.0.0.0
ifconfig eth1 0.0.0.0
brctl addbr br0
brctl addif br0 eth0
brctl addif br0 eth1
ifconfig br0 192.168.0.222 netmask 255.255.255.0

If I connect a machine to port 0 (eth0) then I can ping the bridge from 
that machine,
If I connect a machine to port 1 (eth1) I cannot ping the bridge.
If I connect machines to both ports, I cannot ping one machine from the 
other, the only thing i can successfully ping is from port 0 to bridge 
and from bridge to port 0

Is this a known problem with the FCC ENET driver or does it support 
bridging fully ?

best regards

Ole Andreas Torvmark
R & D Engineer
Radionor Communications AS

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