I'm still getting my feet wet with CentOS 7 and for the most part it's been pretty straightforward. I'm running into an issue with configuring my default network (or bridge) correctly in order to begin creating guest VM's on this linux host. My physical server has 4 onboard cards that are all connected to my network switch. The 4 ethernet interfaces are bonded into
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bond0
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br0
I have already created a VM and was able to get an IP from my network while the network interface was assigned to 'specify connection' and I entered 'br0' for my bridge. But obviously in this case I would want my VM network interface to be set to the 'default' NAT network. After making this change, I cannot start up the VM and it errors out with:
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error: Failed to start domain VM_NAME
error: Requested operation is not valid: network 'default' is not active
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br0
Am I configuring this incorrectly? I was wondering if maybe I should have been reserving one of the physical interfaces to assign a separate IP on the same subnet. Any help is much appreciated!