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Fan failure and how many fans and status for a 3725 Router

I have a fan reporting errors on a 3750 Router. How can I tell how many fans are in the router from a remote connection?

How long can you run the router with a fan failure before replacing it?

Oct 23 13:29:36.838 PDT: %FAN-3-FAN_FAILED: Fans had a rotation error reported.
Oct 23 13:30:06.839 PDT: %FAN-3-FAN_FAILED: Fans had a rotation error reported.
Oct 23 13:30:36.841 PDT: %FAN-3-FAN_FAILED: Fans had a rotation error reported.
Oct 23 13:31:06.842 PDT: %FAN-3-FAN_FAILED: Fans had a rotation error reported.
Oct 23 13:31:36.843 PDT: %FAN-3-FAN_FAILED: Fans had a rotation error reported.
Oct 23 13:32:06.845 PDT: %FAN-3-FAN_FAILED: Fans had a rotation error reported.
Oct 23 13:32:36.846 PDT: %FAN-3-FAN_FAILED: Fans had a rotation error reported.
Oct 23 13:33:06.847 PDT: %FAN-3-FAN_FAILED: Fans had a rotation error reported.
Oct 23 13:33:36.848 PDT: %FAN-3-FAN_FAILED: Fans had a rotation error reported.

#sh environment all
Power Supply:
Redundant Power System is not present.
Board Temperature:
normal.
Fan status:
Warning - low fan rpm condition detected.


#sh diag
3725 Backplane EEPROM:
        PCB Serial Number        : XXXXXXXXXXX
        Processor type           : 61
        Top Assy. Part Number    : 800-16147-02
        Board Revision           : C0
        Fab Part Number          : 28-4226-06
        Deviation Number         : 65535-65535
        Manufacturing Test Data  : FF FF FF FF FF FF FF FF
        RMA Number               : 255-255-255-255
        RMA Test History         : FF
        RMA History              : FF
        Chassis Serial Number    : XXXXXXXXXXX
        Chassis MAC Address      : xxxx.b35b.74d0
        MAC Address block size   : 48
        Field Diagnostics Data   : FF FF FF FF FF FF FF FF
        Hardware Revision        : 0.1
        Number of Slots          : 2
        EEPROM format version 4
        EEPROM contents (hex):
          0x00: 04 FF C1 8B 4A 41 45 30 37 33 31 30 36 36 55 09
          0x10: 61 40 02 59 C0 46 03 20 00 3F 13 02 42 43 30 85
          0x20: 1C 10 82 06 80 FF FF FF FF C4 08 FF FF FF FF FF
          0x30: FF FF FF 81 FF FF FF FF 03 FF 04 FF C2 8B 4A 4D
          0x40: 58 30 37 33 34 4C 32 45 57 C3 06 00 07 B3 5B 74
          0x50: D0 43 00 30 C5 08 FF FF FF FF FF FF FF FF 41 00
          0x60: 01 01 02 FF FF FF FF FF FF FF FF FF FF FF FF FF
          0x70: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
Slot 0:
        C3725 Mother board 2FE(TX)-3W Port adapter, 2 ports
        Port adapter is analyzed
        Port adapter insertion time unknown
        EEPROM contents at hardware discovery:
        PCB Serial Number        : XXXXXXXXXXX
        Processor type           : 61
        Top Assy. Part Number    : 800-16147-02
        Board Revision           : C0
        Fab Part Number          : 28-4226-06
        Deviation Number         : 65535-65535
        Manufacturing Test Data  : FF FF FF FF FF FF FF FF
        RMA Number               : 255-255-255-255
        RMA Test History         : FF
        RMA History              : FF
        Chassis Serial Number    : XXXXXXXXXXX
        Chassis MAC Address      : xxxx.b35b.74d0
        MAC Address block size   : 48
        Field Diagnostics Data   : FF FF FF FF FF FF FF FF
        Hardware Revision        : 0.1
        Number of Slots          : 2
        EEPROM format version 4
        EEPROM contents (hex):
          0x00: 04 FF C1 8B 4A 41 45 30 37 33 31 30 36 36 55 09
          0x10: 61 40 02 59 C0 46 03 20 00 3F 13 02 42 43 30 85
          0x20: 1C 10 82 06 80 FF FF FF FF C4 08 FF FF FF FF FF
          0x30: FF FF FF 81 FF FF FF FF 03 FF 04 FF C2 8B 4A 4D
          0x40: 58 30 37 33 34 4C 32 45 57 C3 06 00 07 B3 5B 74
          0x50: D0 43 00 30 C5 08 FF FF FF FF FF FF FF FF 41 00
          0x60: 01 01 02 FF FF FF FF FF FF FF FF FF FF FF FF FF
          0x70: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

Slot 1:
        CT1 (CSU) Port adapter, 1 port
        Port adapter is analyzed
        Port adapter insertion time unknown
        EEPROM contents at hardware discovery:
        Hardware revision 1.1           Board revision A0
        Serial number     30978633      Part number    800-01228-05
        FRU Part Number:  NM-1CT1-CSU=

        Test history      0x0           RMA number     00-00-00
        EEPROM format version 1
        EEPROM contents (hex):
          0x00: 01 26 01 01 01 D8 B2 49 50 04 CC 05 00 00 00 00
          0x10: 50 00 00 00 03 08 01 00 FF FF FF FF FF FF FF FF

Slot 2:
        Digital Modems Port adapter, 24 ports
        Port adapter is analyzed
        Port adapter insertion time unknown
        EEPROM contents at hardware discovery:
        Hardware revision 0.2           Board revision B1
        Serial number     30961630      Part number    800-02316-05
        FRU Part Number:  NM-30DM=

        Test history      0x0           RMA number     00-00-00
        EEPROM format version 1
        EEPROM contents (hex):
          0x00: 01 67 00 02 01 D8 6F DE 50 09 0C 05 00 00 00 00
          0x10: 59 00 00 00 03 08 11 00 FF FF FF FF FF FF FF FF
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memo_tnt
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Avatar of Dragon0x40
Dragon0x40

ASKER

thanks memo tnt

I will try your suggestions.

My show environment all is a little different though.

>sh env all
Power Supply:

        Redundant Power System is not present.


Board Temperature:

        normal.


Fan status:

        Warning - low fan rpm condition detected.
hi
try use this command from the enable mode..

BR
I cannot access the router right now and I cannot find that command BR on the Internet.

All I can find is break, bridge and broadcast?

What does the command BR do?

sorry for the inconvenience
BR = Best Regards




Oooooh,

Don't I feel foolish!?
If you look at my original post it seems to be the same from either user exec or enable mode.

>#sh environment all
Power Supply:
Redundant Power System is not present.
Board Temperature:
normal.
Fan status:
Warning - low fan rpm condition detected.