Router BFD commands

Note:

Router BFD commands are only supported on 7210 SAS-R6, 7210 SAS-R12, and 7210 SAS-T (network mode).

config
    - router
        - bfd
            - abort
            - begin
            - bfd-template [32 chars max]
            - no bfd-template 
                - echo-receive milliseconds
                - no echo-receive
                - multiplier [3...20]
                - no multiplier
                - receive-interval milliseconds
                - no receive-interval
                - transmit-interval milliseconds
                - no transmit-interval
            - commit