1、查看原有网卡信息
#virsh domiflist snaleInterface Type Source Model MAC-------------------------------------------------------vnet0 bridge br0 virtio 52:54:00:8c:b8:60
2、临时添加新网卡
#virsh attach-interface snale --type bridge --source br0 成功附加接口 永久添加网卡命令
#virsh attach-interface snale --type bridge --source br0 --config
3、查看
#virsh domiflist snaleInterface Type Source Model MAC-------------------------------------------------------vnet0 bridge br0 virtio 52:54:00:8c:b8:60vnet1 bridge br0 - 52:54:00:14:86:cf#ip a1: lo:mtu 65536 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever2: eth0: mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 52:54:00:8c:b8:60 brd ff:ff:ff:ff:ff:ff inet 192.168.0.23/24 brd 192.168.0.255 scope global eth0 inet6 fe80::5054:ff:fe8c:b860/64 scope link valid_lft forever preferred_lft forever3: eth1: mtu 1500 qdisc noop state DOWN qlen 1000 link/ether 52:54:00:14:86:cf brd ff:ff:ff:ff:ff:ff
4、命令行增加的网卡只保存在内存中,重启就失效,所以需要保存到配置文件中
#virsh dumpxml snale >/etc/libvirt/qemu/snale.xml #virsh define /etc/libvirt/qemu/snale.xml
删除网卡命令
#virsh detach-interface snale --type bridge --mac 52:54:00:14:86:cf成功分离接口
再重新保存配置