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c9500 ( interface y/x/Z voltage sensor ) status unavailable log error

mestasew1
Level 1
Level 1

Hello community;

I am getting on my switches c9500 logs 3 - 5 log error message saying " currently power supply ( interface xxx supply voltage sensor ) status unavailable error logged. it reset the status to ok, after 15 min in all  my devices. all innterfaces triggering this alert are in up/up status.

attempted to search web but I could not find similar error. Anyone with who has come across this issue and possible idea on the cause and solution will be appreciated.

Thank you in advanced  

10 Replies 10

balaji.bandi
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what is the version of Code running, can you post one of the whole logs to understand better to advise?

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mestasew1
Level 1
Level 1

It is  17.6.1.

The log is stated as " Cisco: Power supply Problem. Currently , Power supply( TenGigabitEthernet x/y/z Supply voltage sensor ) status : unavailable". 

After 15 min it logs " Cisco: Power supply ( TenGigabitEthernet x/y/z Supply voltage sensor ) now in status : ok".

Thanks 

post below output :

show run interfaface ten x/y/z

show interface ten x/y/z

show interface ten x/y/z tran

 

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Current configuration : yyyyyyyyyyyyyy bytes
!
interface TenGigabitEthernet X/Y/Z
description ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
switchport trunk native vlan ZZZZZZZZZZZ
switchport trunk allowed vlan ZZZZZZZZ
switchport mode trunk
switchport nonegotiate
udld port aggressive
storm-control broadcast level 5.00
storm-control multicast level 5.00
storm-control action trap
spanning-tree portfast trunk
end
---------------------------------------------------------------------------------------------------------
TenGigabitEthernetX/Y/Z is up, line protocol is up (connected)
Hardware is Ten Gigabit Ethernet, address is ZZZZZZZZZZZZZZZZZZZZZZZZZZZ
Description: ZZZZZZZZZZZZZZZZ
MTU 1500 bytes, BW 10000000 Kbit/sec, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive not set
Full-duplex, 10Gb/s, link type is auto, media type is SFP-10GBase-LR
input flow-control is on, output flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:07, output 00:00:01, output hang never
Last clearing of "show interface" counters never
Input queue: 0/2000/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 9000 bits/sec, 6 packets/sec
5 minute output rate 51000 bits/sec, 14 packets/sec
150689031 packets input, 26781195800 bytes, 0 no buffer
Received 30007462 broadcasts (24287196 multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 24287196 multicast, 0 pause input
0 input packets with dribble condition detected
175416780 packets output, 40085590804 bytes, 0 underruns
Output 11539138 broadcasts (81323459 multicasts)
0 output errors, 0 collisions, 2 interface resets
0 unknown protocol drops
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 pause output
0 output buffer failures, 0 output buffers swapped out

-----------------------------------------------------------------------------------------------------------------
ITU Channel not available (Wavelength not available),
Transceiver is internally calibrated.
If device is externally calibrated, only calibrated values are printed.
++ : high alarm, + : high warning, - : low warning, -- : low alarm.
NA or N/A: not applicable, Tx: transmit, Rx: receive.
mA: milliamperes, dBm: decibels (milliwatts).

 Optical Optical
Temperature Voltage Current Tx Power Rx Power
Port (Celsius) (Volts) (mA) (dBm) (dBm)
--------- ----------- ------- -------- -------- --------
Ten X/Y/Z 24.7 3.28 31.7 -1.2 -2.3

 

we see the optic is LR, what is other side, i am sure you using OS2 cable to connect ? (i mean single mode)

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I  three of the interfaces triggering the alert they have the same SFP type 

TeX/Y/Z MMMMMMMMMMMMMMM connected trunk full 10G SFP-10GBase-LR
Tea/b/c GGGGGGGGGGGGGGGG- connected trunk full 10G SFP-10GBase-LR
------------
Port Name Status Vlan Duplex Speed Type
Tee/f/g MMMMMMMMMMMMMMMMM connected trunk full 10G SFP-10GBase-LR
Port Name Status Vlan Duplex Speed Type
Tem/k/y QQQQQQQQQQQQQQQQQQ connected trunk full 10G SFP-10GBase-LR
------------------------------
Port Name Status Vlan Duplex Speed Type
Tet/l/V MMMMMMMMMMMMMMMMMM connected trunk full 10G SFP-10GBase-LR
Port Name Status Vlan Duplex Speed Type
TeS/o/P FFFFFFFFFFFFFFFFFF connected trunk full 10G SFP-10GBase-LR

Thanks for your suggestion.

I looked the bug, but do not think it  fully applies to my case  because at some point the the sensor logs a status ok. It seems to me at that point the voltage sensor is working.Also my switch is 9500. 

 

for the switch the bug list 9500 as SW affected. 
but for IOS XE ver. this must be double check. 

It is true the model is listed as affected. But the equipment has a different version 17.6.1 which is not listed as affected version.