Hello, I have a question regarding to the network setup. I was able to set up the enviroment(CentOS5.7+KVM+OpenNebula 3.0). Here are my steps to set up the instance(https://portal.futuregrid.org/tutorials/opennebula). 1) Create a CentOS image with KVM. Include vmcontext.sh into the OS image. 2) Setup a fix public virtual network.br1 is the bridge I've created. 3) Create a template pointing to the image. 4)Create a new instance
Then I can access the instance with VNC viewer on the nodes(not the NoVNC in Sunstone). But the instance was not accessible from the internet. I checked the ifcfg-eth0 file in the VM instance and noticed something weird. The MAC always starts with 52:54:00:xx:xx:xx, not the one assigned by OpenNebula. However, I check the hardware info from the SunStone and Virt-Manager. The MAC is right. I tried a few ways to change the MAC 1) Change the ifcfg-eth0 mannually -->restart network-->ping ip -->fail 2) Start the virtual machine using: qemu-system-x86_64 -m 512 -hda disk.0, -net nic,macaddr=02:xx:xx:xx:xx:xx-->check ifcfg-eth0, still got 52:xx:xx... Is there anyway to fix the MAC problem? Any suggestions appreciated. -- best, Jing Li
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