On 5/24/11 3:06 PM, Matt Ryanczak wrote:
> On 05/24/2011 05:15 AM, Lars Noodén wrote:
>> On 5/24/11 11:29 AM, Luc Michel wrote:
>>> If you only want the internal interfaces acting like a switch, you can
>>> bridge them together:
>>> $ brctl addbr br0
>>> $ brctl addif br0 eth0
>>> $ brctl addif br0 eth1
>>> ...
>>> Then use the br0 interface instead of the ethx ones, put an IP address on it
>>> and modify your iptables rules to refer to br0...
>>
>> That sounds like what I want.  What I've tried so far does not work.
>>
>> I'd like the soekris box to allow four other computers to connect to the
>> built-in ethernet ports and be able to connect to each other as well as
>> the outside world via the ADSL modem.  To the attached computers, the
>> soekris box should appear under one single IP address.
> 
> 
> Assuming you have eth0,1,2,3,4,5 and eth0 is the external interface you 
> would something like this:
> 
> brctl addbr br0
> brctl addif br0 eth1
> brctl addif br0 eth2
> brctl addif br0 eth3
> brctl addif br0 eth4
> 
> ifconfig br0 192.168.1.1 netmask 255.255.255.0
> ifconfig br0 up
> 
> enabling forwarding:
> 
> echo 1 > /proc/sys/net/ipv4/ip_forward
> or
> sysctl -w net.ipv4.conf.all.forwarding="1"

Thanks.

> I'll assume you have NAT or direct routing in mind >

Yes.

> and know how to do that...

No.  Not yet.

/Lars
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