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华为NE40E交换机​​检查端口光功率

发布时间:2018-5-30 17:35:42浏览次数:资料来源:www.szdingwei.net

操作步骤

  1. 执行命令display interface interface-type interface-number,查看接口当前运行状态和接口统计信息。判断两端光模块的最大传输距离和中心波长是否一致,收发光功率值是否在正常范围内。如均满足,则两端光模块匹配,进行后面的调测过程。以GE接口为例。
 说明:
  1. display interface gigabitethernet 2/0/0GigabitEthernet2/0/0 current state : UP Line protocol current state : UPLast line protocol up time : 2010-02-09 04:26:01 Description:HUAWEI, Quidway Series, GigabitEthernet2/0/0 Interface Route Port,The Maximum Transmit Unit is 1500 Internet Address is 192.168.1.1/24 IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 00e0-fc7d-a49d The Vendor PN is FTRJ8519P1BNL-HW The Vendor Name is FINISAR CORP.Port BW: 1G, Transceiver max BW: 1G, Transceiver Mode: MultiMode WaveLength: 850nm, Transmission Distance: 550m Rx Power: -6.72dBm, Tx Power: -6.28dBm Loopback:none, full-duplex mode, negotiation: disable, Pause Flowcontrol:Receive Enable and Send EnableThe setted port-tx-enabling delay time is: 0 ms The remanent time of enabling port-tx is: 0 ms Last physical up time : 2010-03-21 15:35:04 Last physical down time : 2010-03-21 15:35:04 Current system time: 2010-02-10 23:49:52 Statistics last cleared: never Last 300 seconds input rate: 240 bits/sec, 0 packets/sec Last 300 seconds output rate: 88 bits/sec, 0 packets/sec Input: 4763528 bytes, 61864 packets Output: 1718640 bytes, 5208 packets Input: Unicast: 0 packets, Multicast: 30932 packets Broadcast: 30932 packets, JumboOctets: 0 packets CRC: 0 packets, Symbol: 0 packets Overrun: 0 packets, LongPacket: 0 packets Jabber: 0 packets, Alignment: 0 packets Fragment: 0 packets, Undersized Frame: 0 packets RxPause: 0 packets Output: Unicast: 0 packets, Multicast: 5208 packets Broadcast: 0 packets, JumboOctets: 0 packets Lost: 0 packets, Overflow: 0 packets, Underrun: 0 packets System: 0 packets, Overruns: 0 packets TxPause: 0 packets Input bandwidth utilization : 0.01% Output bandwidth utilization : 0.01%
 说明:
《接口属性速查表》请参考附录。本端接口上光模块的接收光功率必须同时满足下面两个条件,才能确保该光模块可用:
常见故障处理


本节介绍了检查调测设备单板光模块的光功率是否达到要求的过程。

如果设备单板光模块的发送光功率达不到要求,设备网络层会出现丢包、通信阻断等现象。

已完成硬件调测,设备运行正常。


  1. 也可以在接口视图下执行命令display this interface ,显示当前接口视图下的接口信息。display interface和display this interface的显示信息相同。

  1. 如上述显示信息中加粗部分所示,链路两端光模块的接口带宽、光纤模式、最大传输距离和中心波长一致,则两端光模块匹配。同时记录链路两端端口的收发光功率值,和《接口属性速查表》对比,判断接收光功率是否在正常范围内。

    • 实际接收光功率必须大于光模块接收灵敏度,否则会导致对端接收不到信号。

    • 实际接收光功率必须小于光模块过载光功率,否则有可能烧毁光模块。


如果光模块的发送光功率值不在正常范围之内,请更换光模块。


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