Openstack handling of DNS when using flat/private and floating/public IPs
I need some clarification regarding DNS in Openstack when using both private and public addresses. If tenants use private addresses to communicate within the tenant but use public addresses with SNAT/DNAT to talk to other tenants, how is DNS typically set up to provide the correct forward and reverse lookups for both intra-tenant and inter-tenant communication. We are looking at bringing Openstack into an existing environment, where the current DNS is outside the Openstack cloud.
Thank you.
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