Guide: Routers and Floating IPs

Allocating and Associating a Floating IP (Freiburg Region)

For assigning a Floating IP a configuration as illustrated below (or something similar) is required. Here is a summary:

1. Allocate a Floating IP to the project
   1. Network -> Floating IPs
   2. Allocate IP to Project
      • Choose the public network/pool
2. Virtual network creating
   1. Network -> Networks
   2. Create Network
      • Network Name vergeben
   3. Next and the slider Subnet is presented
      • Set Subnetz Name
      • Set Network Addresse (z. B. 10.10.1.0/24)
      • Set Gateway IP (z. B. 10.10.1.254)
   4. Next and the slider Subnetz Details is presented
      • Enable DHCP must be checked
   5. Create
3. Virtual router creating
   1. Network -> Routers
   2. Create Router
      • Set Router Name
      • Set Gateway/ External Network to public setzen
   3. Choose router in the view -> Interfaces -> Add Interface
      • Set Subnet to the network from step 2
   4. Submit

Afterward, create a VM as follows:

1. Compute -> Instances -> Launch Instance
   1. Under Networks choose the virtual netzwork from step 2
   2. Launch Instance
2. In the view of the instance -> Associate Floating IP
   1. Set IP Address from step 1
   2. Associate

Virtual network configuration for Floating IP: User defined network (blue), external network (globe), router between the nets.