_c2c_pcf_enable.html.md.erb

This section explains how to enable Container-to-Container Networking in Pivotal Cloud Foundry (PCF) in the Ops Manager
Elastic Runtime tile.

1. In Ops Manager, navigate to the **Installation Dashboard** > **Elastic Runtime** tile.

1. Click **Networking**.

1. In the **Networking** pane, select **Enable Container-to-Container Networking**.

    <img alt="Enable Container-to-Container Networking" src="../../customizing/images/ert-c2c-enable.png">

1. (Optional) Enter an IP range for the overlay network in the **Network CIDR** box. If you do not set a custom range, Ops Manager uses <code>10.255.0.0/16</code>.

1. (Optional) Enter a UDP port number in the **VXLAN Tunnel Endpoint Port** box. If you do not set a custom port, Ops Manager uses 4789.

    <img alt="Specify the host port for receiving VXLAN packets" src="../../customizing/images/ert-c2c-vxlan-port.png">

1. Click **Save**.

1. Return to the Installation Dashboard.