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IT Tech/Network

ETH-CSF (CSF) - Ethernet OAM, Y.1731 정리 노트




ETH-CSF

- ITU-T Y.1731 Amendment 1


1. Function Description
  • ETH-CC, ETH-AIS와 같은 장애 알람 기능이 없는 클라이언트 MEP가 사용
  • point-to-point Ethernet transport applications
    point-to-point로 엄격히 제한된 IEEE 802.1Q, IEEE 802.ad 또는 STP 기반의 네트워크 환경에서 사용됨

  • ETH-CSF 설정항목 (전송 MEP)
    - Enable/Disable CSF
    - Client MEG level
    - ETH-CSF transmission period
    - ETH-CSF type
      C-LOS (client losss of signal)
      C-FDI (client forward defect indication)
      C-RDI (client remote defect indication)
      C-DCI (client defect clear indication)
    - Priority
    - Drop eligibility

  • ETH-CSF 설정항목 (수신 MEP)
    - Local MEG level
    - Enable/disable CSF



2. CSF PDU



- MEG level
- Version
- OpCode : CSF(52)
- Flags
   


   Type :
  

   Period


-TTL Offset : 0
- End TLV