hi all,
Good news, thanks firstly! My guest get the ip from my dhcp via the bridge
mode. Thank all of you very much!
wuyu
>On 2011-04-15,at 12:00:13, wuyu8242 wrote:
>发送日期：2011-04-15 12:00:13
>收件人：Amos Kong; autotest
>抄送：
>主题：Re: [Autotest] About the mac addr and ip addr
>>
>On 2011-04-15,at 11:27:26, Amos Kong wrote:
>
>>发送日期：2011-04-15 11:27:26
>>收件人：wuyu8242; autotest
>>抄送：
>>主题：Re: Re: Re: [Autotest] About the mac addr and ip addr
>>>
>>2011/4/15 wuyu8242 <[email protected]>:
>>> On 2011-04-15,at 11:10:25, Amos Kong wrote:
>>>
>>>>发送日期：2011-04-15 11:10:25
>>>>收件人：wuyu8242; autotest
>>>>抄送：
>>>>主题：Re: Re: [Autotest] About the mac addr and ip addr
>>>>>
>>>>>>2011/4/13 wuyu8242 <[email protected]>:
>>>>>>> hi Lucas, Amos,
>>>>>>>
>>>>>>> Disturbing you！There are some issues about network test. About the mac
>>>>>>> addr
>>>>>>> and ip addr, the result of ifconfig include eth0 and eth1, the eth0 has
>>>>>>> no
>>>>>>> ip address, the eth1 has a ip: 10.0.2.25, but the conf file of eth1 is
>>>>>>> not
>>>>>>
>>>>>>What's your qemu commandline ? '10.0.2.25 always be assigned when we
>>>>>>use userspace network(NAT mode).
>>>>>>qemu-kvm -net user ....
>>>>
>>>>> my command line as following:
>>>>> [33m 92 04/15 05:48:34 INFO | kvm_vm:0987| Running qemu command:
>>>>> /usr/bin/qemu-kvm -name 'vm1' -monitor
>>>>> unix:'/tmp/monitor-humanmonitor1-20110411-062101-hWQJ',server,nowait
>>>>> -serial unix:'/tmp/serial-20110411-062101-hWQJ',server,nowait -drive
>>>>> file='/tmp/kvm_autotest_root/images/f11-64.qcow2',index=0,if=ide,cache=none
>>>>> -net nic,vlan=0,model=rtl8139,macaddr='9a:a3:23:b0:e0:d0',id='idsLxMpu'
>>>>> -net user,vlan=0 -m 512 -smp 2 -redir tcp:5000::22 -vnc :0
>>>>>
>>>>> if the network is the NAT mode, why not connect other ip? and the
>>>>> 10.0.2.25 is fixed.
>>>>
>>>>qemu-kvm has two network modes
>>>>
>>>>1. NAT mode
>>>># qemu-kvm -net nic,... -net user,...
>>> yes, I used this mode, and this mode is default mode in code,too, so this
>>> mode should be connected to other host ip, but failed.
>>
>>guest)# ssh 10.0.2.2 (login host)
>>And I connect other host .
>>guest)# ping www.google.com (successfully ..)
>>
>o? but my host ip is 192.168.x.x not 10.0.x.x, only the guest ip is 10.0.x.x,
>that is say, the guest ip and host ip is not the same network segment,
>so i ping google failed.
>
>>>>2. bridge mode
>>>># qemu-kvm -net nic,.. -net tap,script=/etc/qemu-ifup
>>
>>You should try this, it's more popular. Libvirt uses this mode by default.
>>
>ok, I try it right now. O, I have a wrong understanding. :)
>thanks Amos:)
>>>># cat /etc/qemu-ifup
>>>>#!/bin/sh
>>>>switch=switch
>>>>/sbin/ifconfig $1 0.0.0.0 up
>>>>/usr/sbin/brctl addif ${switch} $1
>>>>/usr/sbin/brctl setfd ${switch} 0
>>>>/usr/sbin/brctl stp ${switch} off
>>>>
>>>>switch is a bridge device in the host, you can reference the following
>>>>document.
>>>>http://www.linux-kvm.org/page/KVM-Autotest/Client_Install#More_about_machine_setup_-_Bridges
>>>>
>>>>MORE detail for KVM network: http://www.linux-kvm.org/page/Networking
>>>>
>>> Okay, I will try it, thank you Amos :)
>>
>
>
>------------------
>wuyu8242
>2011-04-15
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>Autotest mailing list
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------------------
wuyu8242
2011-04-15
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