華爲12708風扇狂轉100%故障排除

巡檢機房發現華爲12708 風扇狂轉，登陸後臺，有報警顯示 xg2/0/8 

#Jan  4 2021 06:54:56+08:00 HUAWEI-S12708-Master BASETRAP/3/OPTPWRABNORMAL: OID 1.3.6.1.4.1.2011.5.25.129.2.17.1 Optical module power is abnormal. (EntityPhysicalIndex=67748366, BaseTrapSeverity=5, BaseTrapProbableCause=67695, BaseTrapEventType=5, EntPhysicalContainedIn=67633161, EntPhysicalName="XGigabitEthernet2/0/8", RelativeResource="", ReasonDescription="Overlow sending power of fabric module, detail information is as follows: Now power is -50.0000000; Set lower threshold is 0.0000000; Default lower threshold is 0.0000000;")

不斷UP DOWN

Jan  2 2021 06:12:58+08:00 HUAWEI-S12708-Master %%01IFPDT/4/IF_STATE(l)[81]:Interface XGigabitEthernet2/0/8 has turned into UP state.
Jan  2 2021 06:12:54+08:00 HUAWEI-S12708-Master %%01IFPDT/4/IF_STATE(l)[82]:Interface XGigabitEthernet2/0/8 has turned into DOWN state.
Jan  2 2021 06:12:54+08:00 HUAWEI-S12708-Master %%01IFPDT/4/IF_STATE(l)[83]:Interface XGigabitEthernet2/0/8 has turned into UP state.
Jan  2 2021 06:12:52+08:00 HUAWEI-S12708-Master %%01IFPDT/4/IF_STATE(l)[84]:Interface XGigabitEthernet2/0/8 has turned into DOWN state.
Jan  2 2021 06:12:51+08:00 HUAWEI-S12708-Master %%01IFPDT/4/IF_STATE(l)[85]:Interface XGigabitEthernet2/0/8 has turned into UP state.
Jan  2 2021 06:06:18+08:00 HUAWEI-S12708-Master %%01IFPDT/4/IF_STATE(l)[86]:Interface XGigabitEthernet2/0/8 has turned into DOWN state.
Jan  2 2021 06:06:18+08:00 HUAWEI-S12708-Master %%01IFPDT/4/IF_STATE(l)[87]:Interface XGigabitEthernet2/0/8 has turned into UP state.
Jan  2 2021 06:06:17+08:00 HUAWEI-S12708-Master %%01IFPDT/4/IF_STATE(l)[88]:Interface XGigabitEthernet2/0/8 has turned into DOWN state.
Jan  2 2021 06:06:14+08:00 HUAWEI-S12708-Master %%01IFPDT/4/IF_STATE(l)[89]:Interface XGigabitEthernet2/0/8 has turned into UP state.
Jan  2 2021 06:06:13+08:00 HUAWEI-S12708-Master %%01IFPDT/4/IF_STATE(l)[90]:Interface XGigabitEthernet2/0/8 has turned into DOWN state.

dis fan

    FanID   FanNum   Online   Register      Speed       Mode      Airflow
-------------------------------------------------------------------------------
     FAN1    [1-2]    Present  Registered    100%(8850)  AUTO      Side-to-Back
                1                                 8940
                2                                 8760
     FAN2    [1-2]    Present  Registered    30% (2580)  AUTO      Side-to-Back
                1                                 2580
                2                                 2580
     FAN3    [1-2]    Present  Registered    100%(9000)  AUTO      Side-to-Back
                1                                 9000
                2                                 9000
     FAN4    [1-2]    Present  Registered    100%(9000)  AUTO      Side-to-Back
                1                                 9000
                2                                 9000

display  temperature all

dis trapbuffer

#Jan  4 2021 02:14:56+08:00 HUAWEI-S12708-Master BASETRAP/3/OPTPWRABNORMAL: OID 1.3.6.1.4.1.2011.5.25.129.2.17.1 Optical module power is abnormal. (EntityPhysicalIndex=67748366, BaseTrapSeverity=5, BaseTrapProbableCause=67695, BaseTrapEventType=5, EntPhysicalContainedIn=67633161, EntPhysicalName="XGigabitEthernet2/0/8", RelativeResource="", ReasonDescription="Overlow sending power of fabric module, detail information is as follows: Now power is -50.0000000; Set lower threshold is 0.0000000; Default lower threshold is 0.0000000;")

光模塊 功率異常   拔掉後風扇恢復正常

解決方法：更換光模塊