Creating a BFD peer

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You can create a BFD peer on an individual CPE device or on all devices that use the CPE template. To create a BFD peer, use the following instructions:

• Creating a BFD peer on an individual CPE device.

  To create a BFD peer on an individual CPE device:

  1. In the menu, go to the SD-WAN section.

     By default, the CPE subsection is displayed with a table of CPE devices.

  2. Click the CPE device.

     The settings area is displayed in the lower part of the page. You can expand the settings area to fill the entire page by clicking the expand button .

  3. Select the BFD settings tab.

     A table of BFD peers is displayed.

  4. Select the Override check box to ignore the applied CPE template and make the settings in the selected tab editable. This check box is cleared by default.
  5. Click + BFD peer.
  6. This opens a window; in that window, in the Name field, enter the name of the BFD peer. Maximum length: 255 characters.
  7. In the IP address field, enter the IP address of the BFD peer.
  8. In the Transmit interval (msec.) field, enter the time interval in milliseconds for sending control packets to the BFD peer. Range of values: 60 to 10,000.
  9. In the Receive interval (msec.) field, enter the time interval in milliseconds for receiving control packets from the BFD peer. Range of values: 60 to 10,000.
  10. In the Multiplier enter the multiplier of the time interval for sending control packets specified in the BFD peer settings. This multiplier is used to determine the time after which a BFD session must be terminated if the BFD peer stops sending control packets. 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, the BFD session is terminated after 400 milliseconds, provided that the CPE device has not received a single control packet in that time period.

  11. Click Create.

      The BFD peer is created and displayed in the table.

  12. In the upper part of the settings area, click Save to save the configuration of the CPE device.
• Creating a BFD peer on all devices that use the CPE template.

  To create a BFD peer on all devices that use the CPE template:

  1. In the menu, go to the SD-WAN → CPE templates subsection.

     A table of CPE templates is displayed.

  2. Click the CPE template.

     The settings area is displayed in the lower part of the page. You can expand the settings area to fill the entire page by clicking the expand button .

  3. Select the BFD settings tab.

     A table of BFD peers is displayed.

  4. Click + BFD peer.
  5. This opens a window; in that window, in the Name field, enter the name of the BFD peer. Maximum length: 255 characters.
  6. In the IP address field, enter the IP address of the BFD peer.
  7. In the Transmit interval (msec.) field, enter the time interval in milliseconds for sending control packets to the BFD peer. Range of values: 60 to 10,000.
  8. In the Receive interval (msec.) field, enter the time interval in milliseconds for receiving control packets from the BFD peer. Range of values: 60 to 10,000.
  9. In the Multiplier enter the multiplier of the time interval for sending control packets specified in the BFD peer settings. This multiplier is used to determine the time after which a BFD session must be terminated if the BFD peer stops sending control packets. 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, the BFD session is terminated after 400 milliseconds, provided that the CPE device has not received a single control packet in that time period.

  10. Click Create.

      The BFD peer is created and displayed in the table.

  11. In the upper part of the settings area, click Save to save the configuration of the CPE template.

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