libvirt does that, by passing the created tap interface fd to qemu-kvm.
Ben -----原信息----- 发自： William Herry 发送： 2012/06/06, 14:55 收件人: Openstack 主题： [Openstack] vnetX when a instance created, a network interface call vnetX will be created and attach to that instance I find related info about this in nova/virt/libvirt/vif.py, ip and tunctl seem to be the tool to create that, but one of our compute node base on centos6.2, iproute is not support tuntap(show error when I run ip tuntap add) and uml-utilities(provide tunctl command) is not installed, but vnetX still be created when launch a instance my question is, how did vnetX created, doesn't nova code handle this, or this work belong to libvirt can I create this kind interface manually and attach to instance, how to do this Thanks -- William Herry ==================== williamherrych...@gmail.com _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
