openstack/neutron
Code Issues Proposed changes
134f1c5553
neutron/doc/source/admin/config-fip-port-forwardings.rst
Miguel Lavalle ef8e437312 Add FIP port forwarding to Networking Guide 
This patch adds and introduction and configuration instructions to the
Networking Guide for floating IPs port forwarding

Change-Id: I821b242f4ba58d92b8e9491db65232ec0a85f73b
Partially-Implements: blueprint port-forwarding
Partial-Bug: #1491317
2018-08-08 23:08:07 +09:00

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Floating IP port forwarding

Floating IP port forwarding enables users to forward traffic from a TCP/UDP/other protocol port of a floating IP to a TCP/UDP/other protocol port associated to one of the fixed IPs of a Neutron port. This is accomplished by associating port_forwarding sub-resource to a floating IP.

CRUD operations for port forwarding are implemented by a Neutron API extension and a service plug-in. Please refer to the Neutron API Reference documentation for details on the CRUD operations.

Configuring floating IP port forwarding

To configure floating IP port forwarding, take the following steps:

  • Add the port_forwarding service to the service_plugins setting in /etc/neutron/neutron.conf. For example:

    service_plugins = router,segments,port_forwarding

  • Set the extensions option in the [agent] section of /etc/neutron/l3_agent.ini to include port_forwarding. This has to be done in each network and compute node where the L3 agent is running. For example:

    extensions = port_forwarding

Note

The router service plug-in manages floating IPs and routers. As a consequence, it has to be configured along with the port_forwarding service plug-in.

Note

After updating the options in the configuration files, the neutron-server and every neutron-l3-agent need to be restarted for the new values to take effect.

After configuring floating IP port forwarding, the floating-ip-port-forwarding extension alias will be included in the output of the following command:

$ openstack extension list --network