%C4K_IOSMODPORTMAN-4-INLINEPOWEROVERWARNING

[Shahab Khan]

Hi,

I am getting the following error in my Cisco 4510E switch.

%C4K_IOSMODPORTMAN-4-INLINEPOWEROVERWARNING: Module 3 inline power exceeds threshold: status changed to 'Pwr Over'

show module output is showing the status of the card as "Pwr Over"

IOS-XE version we are using is: cat4500e-universalk9.SPA.03.02.03.SG.150-2.SG3.bin & power supply is 4200W AC.

I suspect it as an unknown bug for this version.

Thanks,

[Arumugam Muthaiah]

Hi Shahab,

I am not seeing any software defect on this behavior presently. The symptoms are typically generated if one of the PoE devices connected to the module is drawing more power than it should.

• Please verify the connected devices are not drawing more power than expected.
  
• If possible, please try below work around
  

1. If the inline power allocation is correct, start pulling out one device at a time and see if the power usage decreases as expected. (You can use the command, "#show power detail" to see the inline power allocated to the module (admin) and the inline power used (operating).)
   
2. If the "inline power used" decreases sharply when a device is disconnected, chances are that this device is using more inline power than allocated. Avoiding using this device should solve your problem.
   

Also, please share the below commands to investigate this issue further,

# show idprom power-supply

# show power detail

# show power inline

# show module

Regards,

Aru

*** Please rate if the post is useful ***

[Aydin.armagan]

Hi

This problem is bug. bug id below.

Cisco Bug: CSCef49715 - Incorrect Pwr Over or Pwr Faulty module status for inline pwr module

Last Modified

May 31, 2016

Product

Cisco Catalyst 4000 Series Switches

Known Affected Releases

12.2(18)EW

Description (partial)

Symptom:
Catalyst 4500 with 1400 DC power supply may report "Pwr Over" or "Pwr Fault" 
status for the following modules

- WS-X4248-RJ45V 
- WS-X4248-RJ21V 
- WS-X4548-GB-RJ45V 

The following logging messages may also be generated

%C4K_IOSMODPORTMAN-4-INLINEPOWEROVERWARNING: Measured inline power higher than 
configured value

%C4K_IOSMODPORTMAN-2-INLINEPOWEROVERCRITICAL: Measured inline power exceeds 
module limit

Condition:

The above symptoms are typically generated if one of the PoE devices connected 
to the module is drawing more power than it should. Make sure the connected 
devices are not drawing more power than expected. However, in systems using 
1400W DC power supplies, it is also possible that due to an anomaly in the 
measuring mechanism in these linecards, the messages and associated status are
erroneously displayed. There is NO functionality/performance impact due to this 
condition. The modules are safe and would have no impact to the operation of the
switch or the connected PoE devices.

Troubleshooting steps:
This situation may be caused by a device that is using more inline power than
allocated. Please make sure that the right amount of inline power has been 
allocated to each device. If the inline power allocation is correct, start 
pulling out one device at a time and see if the power usage decreases as 
expected. (You can use the command, "#show power detail" to see the inline
power allocated to the module (admin) and the inline power used (operating).)
If the "inline power used" decreases sharply when a device is disconnected,
chances are that this device is using more inline power than allocated. 
Avoiding using this device should solve your problem. 

If after disconnecting all the devices on the module, the inline power usage 
is still high, and the system does not use 1400W DC power, call TAC.

[sbhadrav@cisco.com]

The bug tells that the issues are seen with DC1400 Power supplies. But in this case, it is a AC 4200W. Is this bug applicable to AC power supplies as well ?

Please refer the below URL for details:

https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4500/XE3-10-0E/configuration/guide/xe-310-cg/pwr_envr.html?dtid=osscdc000283