Configure a floating IP between multiple instances with Neutron

Follow these steps to configure a floating IP address between instances: 1)List your existing VMs: # nova list +————————————–+——————–+——–+————+————-+————————————+ | ID                                   | Name               | Status | Task State | Power State | Networks                           | +————————————–+——————–+——–+————+————-+————————————+ | 8acf9bce-7cb6-4d7c-8000-462fe2c8320d | test1.u1404.arahal | ACTIVE | –          | Running     | inap-16182-WAN2526=192.170.156.162 | | 0bde5aff-c573-451a-9bb2-f9f38a3b187f | test2.u1404.arahal | ACTIVE | –          […]

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Verifying PTR (reverse DNS) records

A reverse DNS (configured as a PTR record) is the association of a domain name with a given IP address. The standards of reverse DNS/PTR mechanism are described in the following RFCs: RFC1033 and RFC1912 Section 2.1 The best practices for servers is to have a PTR associate with each IP addresse used to send emails. The domain provided […]

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IP address request guidelines

The IP address allowance policies are managed by ARIN which manages allocation of IP resources in North America. One of ARIN’s policies obligates us to justify IP usage. Failure to provide good IP usage justification will prevent us from obtaining new IP addresses blocks. ARIN can verify at any moment if the use of the IP addresses […]

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