A Dimecres 30 Juny 2010, Tom Hughes va escriure: > On 30/06/10 10:35, Leopold Palomo-Avellaneda wrote: > > The configuration (I have follow only the debian/ubuntu steps) shows that > > br0 has assigned an IP. I did the mistake to try to assign the same IP in > > the guest network configuration, I understand that, and obviously it > > doesn't work (duplicate IPs). So, to me, it would me more clear if the > > br0 interface has no IP. In my case, I have two nics: eth0 the interface > > for the host and eth1 for the guest. The eth1 part in my > > network/interfaces is: > > > > ... > > auto eth1 > > iface eth1 inet manual > > > > auto br0 > > iface br0 inet manual > > bridge_ports eth1 > > bridge_stp on > > bridge_maxwait 0 > > bridge_fd 0 > > ... > > > > and then in the guest you configure the IP as you want. In the host, eth1 > > (or whatever interface you bridge) has no IP, so it's not used, and the > > guest uses completely. > > The common configuration that the wiki is documenting is presumably the > case where the host has a single ethernet interface that is shared by > the host and the guests. In that configuration the bridge does have an > address, which is the address of the host machine. and then you can assign _another_ IP to the guest or must assign the same? > Basically a bridge is like a virtual ethernet switch inside your > machine, where one port is connected to each device that is enslaved to > it and another port is connected to the kernel's IP stack - that port > appears as the brN interface and can have an IP address (for the host) > assigned to it. but, my main doubts is about to have a sever with several nics and several guest. I think that a good approach (if it's possbile) is to have a an specific nic for each guest. No? Regards, Leo
