我安装了Ubuntu服务器14.04。并为其分配了静态IP ...然后安装了KVM和虚拟机管理器...然后创建了一个测试虚拟机,它在NAT上的本地IP地址下也可以正常工作。
我有两个LAN卡,只有一个连接到Internet。
我想要的是将em2桥接到来宾计算机的配置。因此,该静态IP地址也适用于来宾计算机。现在,如果我将静态IP分配给来宾计算机,则没有连接。
我的ifconfig详细信息是:
ifconfig -a
em1 Link encap:Ethernet HWaddr 0c:c4:7a:4d:96:aa
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Memory:f7100000-f717ffff
em2 Link encap:Ethernet HWaddr 0c:c4:7a:4d:96:ab
inet addr:68.168.105.130 Bcast:68.168.105.255 Mask:255.255.255.0
inet6 addr: fe80::ec4:7aff:fe4d:96ab/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:3717 errors:0 dropped:10 overruns:0 frame:0
TX packets:373 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:269655 (269.6 KB) TX bytes:239608 (239.6 KB)
Interrupt:20 Memory:f7200000-f7220000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:123 errors:0 dropped:0 overruns:0 frame:0
TX packets:123 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:8881 (8.8 KB) TX bytes:8881 (8.8 KB)
virbr0 Link encap:Ethernet HWaddr 52:54:00:23:1c:65
inet addr:192.168.100.1 Bcast:192.168.100.255 Mask:255.255.255.0
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
virbr0-nic Link encap:Ethernet HWaddr 52:54:00:23:1c:65
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
/ etc / network / interfaces的详细信息是:
auto lo
iface lo inet loopback
auto em2
iface em2 inet static
address 68.168.105.130
netmask 255.255.255.0
network 68.168.105.0
broadcast 68.168.105.255
gateway 68.168.105.1
# dns-* options are implemented by the resolvconf package, if installed
dns-nameservers 8.8.8.8
dns-search dedicated.codero.net
您可能已经bridge-utils
安装了,但是如果您没有安装:
sudo apt-get install bridge-utils
在主机中并以root身份编辑/etc/network/interfaces
:
auto lo
iface lo inet loopback
auto br0
iface br0 inet static
address 68.168.105.130
netmask 255.255.255.0
network 68.168.105.0
broadcast 68.168.105.255
gateway 68.168.105.1
# dns-* options are implemented by the resolvconf package, if installed
dns-nameservers 8.8.8.8
dns-search dedicated.codero.net
bridge_ports em2
bridge_fd 9
bridge_hello 2
bridge_maxage 12
bridge_stp off
现在,您可以重新启动或:
sudo ifup br0
注意:可能有一种使用进行此步骤的方法virt-manager
,但是我不使用它,也不知道如何做。
使用virsh edit
和更改您的接口定义行以使用桥接而不是当前正在使用的内容。这是我的一台VM的示例。前:
<interface type='network'>
<mac address='52:54:00:0d:ed:95'/>
<source network='default'/>
<model type='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
后:
<interface type='bridge'>
<mac address='52:54:00:0d:ed:95'/>
<source bridge='br0'/>
<model type='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
现在,在运行来宾VM(目前可能存在网络问题)的同时,编辑/etc/network/interfaces
并添加接口名称的静态定义。例如,对您的设置进行一些猜测:
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
address 68.168.105.101
netmask 255.255.255.0
network 68.168.105.0
broadcast 68.168.105.255
gateway 68.168.105.1
dns-nameservers 8.8.8.8
dns-search dedicated.codero.net
所使用的默认编辑器由环境变量virsh edit
定义$EDITOR
,或者vi
不存在。添加export EDITOR="/bin/nano"
到您的~/.bashrc
文件中,例如将nano设置为默认编辑器。
您必须使用virsh edit
也不会直接编辑XML文件,因为virsh edit
在保存并退出会做了一堆检查。在任何目录中,例如,执行以下操作:
virsh edit desk_tt
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我来说两句