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本帖最后由 bruce_wu 于 2012-12-28 17:05 编辑
我于windows 7 上透过vmware workstation 建立了一个虚拟机,并安装上了centos 6.3 并于此系统内安装了qemu-kvm 虚拟化...bridge 网路也设定了eth0 -->bridge --> br0 ,至此一切都正常
网路状态- br0 Link encap:Ethernet HWaddr 00:0C:29:DD:3E:55
- inet addr:192.168.1.51 Bcast:192.168.1.255 Mask:255.255.255.0
- inet6 addr: fe80::20c:29ff:fedd:3e55/64 Scope:Link
- UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
- RX packets:127427 errors:0 dropped:0 overruns:0 frame:0
- TX packets:38075 errors:0 dropped:0 overruns:0 carrier:0
- collisions:0 txqueuelen:0
- RX bytes:11539664 (11.0 MiB) TX bytes:8035222 (7.6 MiB)
- eth0 Link encap:Ethernet HWaddr 00:0C:29:DD:3E:55
- inet6 addr: fe80::20c:29ff:fedd:3e55/64 Scope:Link
- UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
- RX packets:248156 errors:0 dropped:0 overruns:0 frame:0
- TX packets:39980 errors:0 dropped:0 overruns:0 carrier:0
- collisions:0 txqueuelen:1000
- RX bytes:66655984 (63.5 MiB) TX bytes:8166083 (7.7 MiB)
- 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:16436 Metric:1
- RX packets:9950 errors:0 dropped:0 overruns:0 frame:0
- TX packets:9950 errors:0 dropped:0 overruns:0 carrier:0
- collisions:0 txqueuelen:0
- RX bytes:1398588 (1.3 MiB) TX bytes:1398588 (1.3 MiB)
- virbr0 Link encap:Ethernet HWaddr 52:54:00:B3:50:C8
- inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0
- UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
- RX packets:92 errors:0 dropped:0 overruns:0 frame:0
- TX packets:82 errors:0 dropped:0 overruns:0 carrier:0
- collisions:0 txqueuelen:0
- RX bytes:16261 (15.8 KiB) TX bytes:19117 (18.6 KiB)
复制代码 而我透过 qemu-kvm 安装启用 虚拟机- /usr/libexec/qemu-kvm -hda /vm_disks/fedora17.disk.xm \
- -net nic,vlan=0,macaddr=00:16:3e:27:cf:3d \
- -net tap,vlan=0,script=/etc/kvm/qemu-ifup-br0 \
- -usb -boot c -m 1024 -vnc :20 -name fedora17 \
- -usbdevice tablet -uuid a2b0eb0b-40f5-2fec-524f-6f994d1648d0 \
- -smp 2 -monitor unix:/var/run/kvm/fedora17,server,nowait \
- -pidfile /var/run/kvm/fedora17 -daemonize &
复制代码 .....etc
该fedora 虚拟机正常安装完成开启后,网路部份有异常
此时 kvm 主机的网路状态:- br0 Link encap:Ethernet HWaddr 00:0C:29:DD:3E:55
- inet addr:192.168.1.51 Bcast:192.168.1.255 Mask:255.255.255.0
- inet6 addr: fe80::20c:29ff:fedd:3e55/64 Scope:Link
- UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
- RX packets:207273 errors:0 dropped:0 overruns:0 frame:0
- TX packets:45695 errors:0 dropped:0 overruns:0 carrier:0
- collisions:0 txqueuelen:0
- RX bytes:17650488 (16.8 MiB) TX bytes:9097262 (8.6 MiB)
- eth0 Link encap:Ethernet HWaddr 00:0C:29:DD:3E:55
- inet6 addr: fe80::20c:29ff:fedd:3e55/64 Scope:Link
- UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
- RX packets:413418 errors:0 dropped:0 overruns:0 frame:0
- TX packets:47850 errors:0 dropped:0 overruns:0 carrier:0
- collisions:0 txqueuelen:1000
- RX bytes:120670597 (115.0 MiB) TX bytes:9248299 (8.8 MiB)
- 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:16436 Metric:1
- RX packets:19856 errors:0 dropped:0 overruns:0 frame:0
- TX packets:19856 errors:0 dropped:0 overruns:0 carrier:0
- collisions:0 txqueuelen:0
- RX bytes:2773032 (2.6 MiB) TX bytes:2773032 (2.6 MiB)
- tap0 Link encap:Ethernet HWaddr FA:27:E2:C4:F5:27
- inet6 addr: fe80::f827:e2ff:fec4:f527/64 Scope:Link
- UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
- RX packets:242 errors:0 dropped:0 overruns:0 frame:0
- TX packets:132961 errors:0 dropped:0 overruns:0 carrier:0
- collisions:0 txqueuelen:500
- RX bytes:23409 (22.8 KiB) TX bytes:11099926 (10.5 MiB)
- virbr0 Link encap:Ethernet HWaddr 52:54:00:B3:50:C8
- inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0
- UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
- RX packets:92 errors:0 dropped:0 overruns:0 frame:0
- TX packets:107 errors:0 dropped:0 overruns:0 carrier:0
- collisions:0 txqueuelen:0
- RX bytes:16261 (15.8 KiB) TX bytes:20267 (19.7 KiB)
复制代码 从宿主机
1.ping 192.168.1.254 (可以通) [网通]
2.ping 192.168.1.54 (可以通)
3.ping 8.8.8.8 (可以通)
4.ping 192.168.1.15 (可以通) [windows 7 本机实体机]
从虚拟机
1.ping 192.168.1.254 timeout 不通 [网通]
2.ping 192.168.1.51 可以通
3.ping 8.8.8.8 timeout (不通)
4.ping 192.168.1.15 timeout (不通) [windows 7 本机实体机]
这问题很奇怪,可以透过DHCP 取得ip,但是网路却不通
如果改成将虚拟机改成nat 模式则可以透过宿主机连接出去,一切正常
不晓得这问题会是出在哪里呢?是否与两层 bridge 有关系呢?
vmware bridge 一次, centos 又bridge 一次..这里论应该也无关系,如果有关系虚拟机也无法透过dchp 取得IP 位置..有或许是本公司的路由有过滤呢?
不明白?请指教了. |
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