| 摘要 |
PROBLEM TO BE SOLVED: To transfer an uplink frame received from an arbitrary ONU to an upper-level device corresponding to the ONU, among a plurality of upper-level devices connected through SNI (Service Node Interface) provided for each of the plurality of upper-level devices.SOLUTION: For each internal ID corresponding to the LLID of the ONU, SNI selection information corresponding to the LLID is registered in advance in an internal ID table 23. When an uplink frame is received from the ONU, the LLID of the uplink frame is converted into an internal ID, and thereafter, a frame transfer processing unit 20 acquires SNI selection information corresponding to the internal ID from the internal ID table 23. |
