[Bridge] Ubuntu: network bridging between wireless and wired connection fails

Jochen Hebbrecht jochenhebbrecht at gmail.com
Tue Apr 28 05:52:10 PDT 2009

2009/4/28 Ross Vandegrift <ross at kallisti.us>:
> On Tue, Apr 28, 2009 at 08:44:50AM +0200, Jochen Hebbrecht wrote:
>> Thnx Richard! I will try this when I'm back home.
>> So the configuration is good? I just need to:
>> $ ifconfig br0 up
>> $ dhclient br0
> That will work, but note that you configured the bridge in the Debian
> interfaces file:
>> >> iface br0 inet dhcp
>> >> bridge_ports eth0 eth1
> So now all you need to do is "ifup br0" to activate it and "ifdown
> br0" to deactivate it.

Okay, thnx!

Just a small question, I think I need to configure eth0 and eth1 to
manual? And not to DHCP?

Like this:
auto eth0
iface eth0 inet manual

auto eth1
iface eth1 inet manual

The thing I don't understand then: if you execute a dhclient on br0,
how does br0 know the configuration of eth1? Because there's a WPA2
configuration on it. Will it use that settings too while bridging?

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