On 12/14/2013 10:51 AM, scar wrote:
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Gao feng @ 12/12/2013 10:18 PM:
> I saw there are two bridge br0 and virbr0 in your host. which
> bridge the libvirt uses? what's result of #virsh net-list ?
well i don't quite understand bridges and their function, i'm kinda
just following directions. br0 replaced eth0 though in my interfaces
file according to this guide[1] i followed to setup the bridge. i'm
pretty sure virbr0 is what libvirt uses....
host$ cat /etc/network/interfaces
auto lo
iface lo inet loopback
auto br0
iface br0 inet static
address 67.180.246.122
netmask 255.255.255.248
gateway 67.180.246.121
dns-nameservers 67.180.241.11 67.180.241.12
bridge_ports eth0
bridge_fd 9
bridge_maxage 12
bridge_stp off
remove this br0 sector from the interfaces file. and restart the network. (remove the
bridge br0)
I'm not familiar with the configure files in ubuntu,
let's use the command.
1, ifconfig eth0 0.0.0.0
2, brctl addif virbr0 eth0
3, ifconfig virbr0 67.180.246.122/29
4,ip route add default via 67.180.246.121 dev virbr0
5, ifconfig eth0 x.x.x.x/29 (in container)
6, ip route add default via 67.180.246.121 dev eth0 (in container)
but this will not work when you restart libvirt.
host$ virsh net-list
Name State Autostart
- -----------------------------------------
default active yes
host$ virsh net-dumpxml default
<network>
<name>default</name>
<uuid>e6d3f97a-5870-8ee7-1d82-64b3434f138b</uuid>
<forward mode='nat'/>
<bridge name='virbr0' stp='on' delay='0' />
<ip address='192.168.122.1' netmask='255.255.255.0'>
<dhcp>
<range start='192.168.122.2' end='192.168.122.254' />
</dhcp>
</ip>
</network>
$
1.
https://help.ubuntu.com/12.04/serverguide/network-configuration.html#brid...
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=4wm8
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