[Openstack] Namespaces and network

Janki Chhatbar jankihchhatbar at gmail.com
Thu Feb 12 05:04:32 UTC 2015


I have doubts.

I am having a 3 node architecture with Neutron.

1. Whenever we create a network, it is created in Compute node and its
namespace is stored in Control node. Instances will be created in compute
node. Is my understanding correct?

2. Why do we need 2 ovs bridges br-int, br-ex. Cant we have just br-int and
attach physical eth to it instead of attaching it to br-ex.

3. There are 3 types of networks namely, internal network which will carry
internal data, VM network connecting VMs and external network connected to
internet. My question is why is control node is connected to VM network.

Janki Chhatbar
M.Tech (Embedded Systems)
Nirma University
(+91) 9409239106
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