Enable BFD on an IS-IS-enabled Interface

This procedure is a prerequisite for Configure BFD for IS-IS Globally.
  1. Access global configuration mode. 
    device# configure terminal
  2. Access interface configuration mode. 
    device(config)# interface ethernet 1/4
  3. Enable BFD on the interface. 
    device(config-if-eth-1/4)# isis bfd
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