Kvm – create bridge interface

To get pxe / nfs installation kvm vm bridge interface is mandatory, otherwise you can use it with nat.
Since kvm tobe used for server virtualization you need to create bridge interface.

You can use virt-manager tool to create bridge interface.
Select server & goto details

Select network interfaces & add new.

Select Bridge as interface type

Select physical Interfaces to be used for this particular bridge.
Select start mode as onboot, you can uncheck Activate Now. Also dhcp / static ip can be assigned here.

Stop networkmanager from startup & keep network on.
chkconfig NetworkManager off
chkconfig network on

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