# Configuring a BFD License

You must configure a BFD license before the router configuration can use any BFD commands.

license bfd

- Use to specify a BFD license.
- Purchase a BFD license to allow BFD configuration on the E Series router.

  | Note: Acquire the BFD license from Juniper Networks Customer Service or your Juniper Networks sales representative.

- Example
  host1(config)#license bfd license-value
- Use the no version to disable the license.
- See license bfd.