Inter-tenant and external networks routing

asked 2016-06-20 03:54:26 -0500

Ludo39 gravatar image


I'm an Openstack based Public IAAS customer, and I have to set up a cloud infrastructure as described in the following diagram :

I have two cloud tenants in which networks are set (NETWORK_A and NETWORK_B). These two networks must communicate.

Q1. What's the best way to set up this "inter-tenant" routing ?

In a second time, I have to connect my private physical network (NETWORK_C) to NETWORK_B. I want to route the traffic by using a Ubuntu VM with 2 interfaces.

Q2. Is it a good idea ? Otherwise, is it possible to connect a "neutron router" to an external "no-SDN" network ?

Then, VM1 must communicate with VM3. The problem is this : "inter-tenant" routing seems only route packets which IP src/dest belong to declared networks...

Q3. How should I do ? Can the "Host route" field be used in this case ? Are there other ways to do it ?

Thanks by advance for your help !

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