SDP diagnostics

GLOBAL
    - oam
        - sdp-mtu orig-sdp-id size-inc start-octets end-octets [step step-size] [timeout timeout] [interval interval]
        - sdp-ping orig-sdp-id [resp-sdp resp-sdp-id] [fc fc-name] [timeout seconds] [interval seconds] [size octets] [count send-count] [interval interval]