Description

Customer mentioned that although the max-power is configured on the FPC still when they checked max-power consumed its exceeding the configured value.

FPC Config:

fpc 4 {
max-power 1300;
}



Router> show chassis fpc detail 

Slot 4 information:
State Online
Temperature 49 degrees C / 120 degrees F (BX-0 HBM-0)
Temperature 48 degrees C / 118 degrees F (BX-0 HBM-1)
Temperature 43 degrees C / 109 degrees F (BX-1 HBM-0)
Temperature 44 degrees C / 111 degrees F (BX-1 HBM-1)
Temperature 29 degrees C / 84 degrees F (CPU)
Total CPU DRAM 65536 MB
Max power consumption 2600 Watts<<<<<Value is higher
PFE Type Express-5


Symptoms

Checked the same in the local lab and same observation was seen.

 

Lab Testing:
==========

Router> show chassis fpc detail | match max | refresh 2   


---(refreshed at 2026-02-19 00:29:17 JST)---

 Max power consumption      1300 Watts

 Max power consumption      1150 Watts

---(refreshed at 2026-02-19 00:29:19 JST)---

 Max power consumption      2600 Watts<<<<<<<<<<Power showing higher then configuration

 Max power consumption      1150 Watts


 We could see the max power consumption exceeding the configured value once.

 

fpc 3 {

  max-power 1300;

}

fpc 6 {

  max-power 1300;

}

Solution

This is being fixed as part of PR :1939380, there is no fucntional impact due to this.

Modification History

2026-03-20 : Article Created