On 10/20/2009 04:37 AM, Neil Aggarwal wrote:
Hello:
I am installing KVM on top of CentOS 5.4 so I can
have two guests running on my host. I would like to
have the host and guests accessible from my
network.
Do I set up separate bridges for each guest or would
they somehow be shared?
If I set up separate bridges, I think I need to do
in /etc/sysconfig/network-scripts on the host machine:
1. Set up ifcfg-eth0 with the ip information of the
host (For example 192.168.2.200)
2. Set up ifcfg-eth0:1 for the first guest. It will
have BRIDGE=br1
3. Create ifcfg-br1 with the IP info for the first
guest (For example 192.168.2.201)
4. Set up ifcfg-eth0:2 for the second guest. It will
have BRIDGE=br2
5. Create ifcfg-br2 with the IP info for the second
guest (For example 192.168.2.202)
Is this correct or did I miss something?
The simplest thing is to use a single bridge for all -
The physical nic should be part of it and supply the outside world
connection. The physical nic doesn't need an IP and the bridge should
own it. All vms can use this bridge.
cat /etc/sysconfig/network-scripts/ifcfg-br0
DEVICE=br0
TYPE=Bridge
ONBOOT=yes
GATEWAYDEV=''
BOOTPROTO=dhcp
DELAY=0
HWADDR=00:14:5E:17:D0:04
# cat /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=none
HWADDR=00:14:5E:17:D0:04
BRIDGE=br0
Thanks,
Neil
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