I don't see how br0 and eth0 having the same MAC address would cause the behavior that you mention. I would suggest following a conventional troubleshooting procedure instead of making this assumption.
If you want us to help with that troubleshooting then you can start from the suggestions in REPORTING-BUGS. On Mon, Mar 19, 2012 at 10:12:17AM +0800, Jingfei Hu wrote: > Thanks, Ben, > But there is a problem here. The following commands have not changed: > ------------------------------------ > sudo ovs-vsctl add-br br0 > sudo ovs-vsctl set bridge br0 datapath_type=netdev > sudo ovs-vsctl add-port br0 eth0 > sudo ovs-vsctl add-port br0 tap0 > ------------------------------------ > The tap0 interface is created using OpenVPN utility with following command: > ------------------------------------ > sudo openvpn --mktun --dev tap0 > ------------------------------------ > Then I have created a VM using VirtualBox-4.1 and made the VM use the > Bridged Adapter tap0. IP address settings are: > ------------------------------------ > In my host: > sudo ifconfig br0 192.168.1.24 netmask 255.255.255.0 > eth0 and tap0 got no ip address assigned > In the guest, i.e. VM: > sudo ifconfig eth0 192.168.1.26 netmask 255.255.255.0 > ------------------------------------ > After that, my guest is able to reach the outside network, and the machine > which resides in the same LAN, says it's ip address is 192.168.1.14, could > also found my guest. The PROBLEM is: > when I ping the 192.168.1.14 from my guest, the ICMP reply is always > duplicated. I guess the cause is because the br0 has the same mac address > with eth0, but don't know how to solve it. > Any ideas will be appreciated. Sorry for the question in question, I should > ask it in one post. > > Cheers, > Hu Jingfei > > > 2012/3/18 Ben Pfaff <b...@nicira.com> > > > On Sun, Mar 18, 2012 at 10:46:36PM +0800, Jingfei Hu wrote: > > > I have installed OVS userspace program on Ubuntu Oneiric according to > > > INSTALL.Linux. Then I have added a bridge using following commands: > > > > > > sudo ovs-vsctl add-br br0 > > > sudo ovs-vsctl set bridge br0 datapath_type=netdev > > > sudo ovs-vsctl add-port br0 eth0 > > > sudo ovs-vsctl add-port br0 tap0 > > > > > > Then I setup the bridge br0 as follows: > > > sudo ifconfig br0 192.168.1.24 netmask 255.255.255.0 > > > After that, I check it with command ifconfig -a, finding that the mac br0 > > > and eth0 have the same mac. > > > > > > Is it normal? > > > > Yes. > > _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
