RECORD NF_HDRV5_RECORD USING
 1 NF_HDRV5 .
  2 NF_HDR_W_VERSION USAGE IS WORD.     ! Current version=5
  2 NF_HDR_W_COUNT USAGE IS WORD.       ! The number of records in PDU.
  2 NF_HDR_L_UPTIME USAGE IS LONG.      ! Current time in msecs since router booted.
  2 NF_HDR_L_SECS USAGE IS LONG.        ! Current seconds since 0000 UTC 1970
  2 NF_HDR_L_NSECS USAGE IS LONG.       ! Residual nanoseconds since 0000 UTC 1970
  2 NF_HDR_L_SEQ USAGE IS LONG.         ! Sequence number of total flows seen
  2 NF_HDR_W_ETYPE USAGE IS WORD.       ! ??Type of flow switching engine (RP,VIP,etc.)
  2 NF_HDR_W_EID USAGE IS WORD. ;