Creating a BFD peer

You can create a BFD peer in a CPE template or on a device. When you create a BFD peer in a CPE template, the peer is automatically created on all devices that are using the template. Before creating a BFD peer, you must enable the BFD protocol.

To create a BFD peer:

1. Create a BFD peer in one of the following ways:
   • If you want to create a BFD peer in a CPE template, go to the SD-WAN → CPE templates menu section, click the template and in the displayed settings area, select the BFD settings tab.
   • If you want to create a BFD peer on a CPE device, go to the SD-WAN → CPE menu section, click the device, and in the displayed settings area, select the BFD settings tab and select the Override check box.

   A table of BFD peers is displayed.

2. Click + BFD peer.
3. This opens a window; in that window, in the Name field, enter the name of the BFD peer. Maximum length: 255 characters.
4. In the IP address field, enter the IPv4 address of the BFD peer.
5. In the Transmit interval (msec.) field, enter the time interval in milliseconds for sending control packets from the CPE device to the BFD peer. Range of values: 60 to 10,000.
6. In the Receive interval (msec.) field, enter the time interval in milliseconds for receiving control packets from the BFD peer on the CPE device. If no control packets are received from the BFD peer within the specified time, the CPE device considers the peer unavailable. Range of values: 60 to 10,000.
7. In the Multiplier enter the multiplier of the time interval for sending control packets specified in the BFD peer settings. This multiplier determines the number of milliseconds for which the CPE device must wait for receipt of control packets from the BFD peer. If no control packets are received from the BFD peer within this time, the device announces a network connectivity problem. Range of values: 2 to 255.

   For example, if the time interval for sending control packets in the BFD peer settings is 200 milliseconds, and you specify a multiplier of 2, then if after 400 milliseconds, the CPE device does not receive a single control packet from that BFD peer, the CPE device announces a network connectivity problem.

8. Click Create.

   The BFD peer is created and displayed in the table.

9. In the upper part of the settings area, click Save to save the settings of the CPE template or device.