On Wed, Dec 19, 2012 at 09:54:32PM +0800, GaoYi wrote: > Hi all, > > I have bridged the network of the host. There was one br0 and several > taps on it. When I started up a guest using: > > #kvm -hda ubuntu.img -localtime -m 1G -net nic, -net > tap,ifname=tap0,script=no > > The guest can ping to other VMs or physical PCs within the same LAN. > However, when I tried to communicate with other VMs/PCs using TCP/IP, > the incoming IP at the receiver side is the same as the host IP instead of > the VM's IP. Then how to configure the network so that > the TCP/IP applications run well just like the phsical PC?
libvirt/virt-manager can set up the network for you. I suggest using them if you're having issues configuring bridging. There is some basic information here but you'll find specifics if you do a web search for "qemu bridging" or similar: http://wiki.qemu.org/Documentation/Networking Stefan
