cjh 光纤、光模块 2023-04-23 此文章访问量 295

问题解决记录：交换机的光纤灯是亮的，但是不闪，而且交换机的网络不通

交换机的光纤灯是亮的，但是不闪，而且交换机的网络不通，而且console界面一直报以下信息：
%Mar 20 16:45:22:943 2013 H3C-SW1 IFNET/3/PHY_UPDOWN: Physical state on the interface Ten-GigabitEthernet1/0/52 changed to up.
%Mar 20 16:45:23:002 2013 H3C-SW1 IFNET/3/PHY_UPDOWN: Physical state on the interface Ten-GigabitEthernet1/0/52 changed to down.
%Mar 20 16:45:25:893 2013 H3C-SW1 IFNET/3/PHY_UPDOWN: Physical state on the interface Ten-GigabitEthernet1/0/52 changed to up.
%Mar 20 16:45:25:934 2013 H3C-SW1 IFNET/3/PHY_UPDOWN: Physical state on the interface Ten-GigabitEthernet1/0/52 changed to down.
%Mar 20 16:45:28:601 2013 H3C-SW1 IFNET/3/PHY_UPDOWN: Physical state on the interface Ten-GigabitEthernet1/0/52 changed to up.
%Mar 20 16:45:28:724 2013 H3C-SW1 IFNET/3/PHY_UPDOWN: Physical state on the interface Ten-GigabitEthernet1/0/52 changed to down.
%Mar 20 16:45:31:381 2013 H3C-SW1 IFNET/3/PHY_UPDOWN: Physical state on the interface Ten-GigabitEthernet1/0/52 changed to up.
%Mar 20 16:45:31:440 2013 H3C-SW1 IFNET/3/PHY_UPDOWN: Physical state on the interface Ten-GigabitEthernet1/0/52 changed to down.
光纤灯是亮的（但网络不通，已检查过配置是没有问题的）：

图片.png

查看接口光功率：光衰太大

[H3C-SW1]display transceiver diagnosis interface Ten-GigabitEthernet 1/0/52
Ten-GigabitEthernet1/0/52 transceiver diagnostic information:
Current diagnostic parameters:
    Temp.( Voltage(V) Bias(mA) RX power(dBm) TX power(dBm)
    31         3.41        34.93    -36.96         -2.27
Alarm thresholds:
          Temp.( Voltage(V) Bias(mA) RX power(dBm) TX power(dBm)
    High 73         3.80        99.00     2.50           2.50
    Low   -8         2.81        1.00      -16.40         -11.20
[H3C-SW1]
[H3C-SW1]

图片.png

尝试解决：拔下光纤接口，重新接好光纤接头

图片.png

发现光纤灯开始闪动了，检查网络，网络已恢复，查看光衰：正常

[H3C-SW1]display transceiver diagnosis interface Ten-GigabitEthernet 1/0/52
Ten-GigabitEthernet1/0/52 transceiver diagnostic information:
Current diagnostic parameters:
    Temp.( Voltage(V) Bias(mA)       RX power(dBm) TX power(dBm)
    33         3.41        35.19       -6.05          -2.27
Alarm thresholds:
          Temp.( Voltage(V) Bias(mA) RX power(dBm) TX power(dBm)
    High 73         3.80        99.00     2.50           2.50
    Low   -8         2.81        1.00      -16.40         -11.20
[H3C-SW1]
[H3C-SW1]
总结：应该是之前就没有接好（没有扭紧）光纤接头，导致光衰太大。

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