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. >2. bridge mode ># qemu-kvm -net nic,.. -net tap,script=/etc/qemu-ifup > ># 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 :)
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