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High NPU Usage Firepower 2110

Hi

I have two Firepoewer 2110 in an active/standby model,

In official times, it's NPU usage is between 80%-95%, after that it reduces to 40%

this is the result of usage:

> show cpu core
Core 5 sec 1 min 5 min
Core 0 81.2% 79.8% 80.7%
Core 1 80.6% 79.4% 80.4%
Core 2 80.6% 79.7% 80.7%
Core 3 80.6% 79.6% 80.5%
Core 4 80.4% 79.6% 80.5%
Core 5 80.8% 79.8% 80.7%

the process that hog the CPU are about datapath process

> show processes cpu-usage sorted non-zero
Hardware: FPR-2110
Cisco Adaptive Security Appliance Software Version 9.12(2)33
ASLR enabled, text region aaaf4aa000-aab3ca7cc4
PC Thread 5Sec 1Min 5Min Process
- - 13.5% 13.4% 13.4% DATAPATH-0-1416
- - 13.5% 13.4% 13.5% DATAPATH-2-1418
- - 13.5% 13.4% 13.5% DATAPATH-5-1421
- - 13.4% 13.4% 13.4% DATAPATH-3-1419
- - 13.4% 13.4% 13.4% DATAPATH-1-1417
- - 13.4% 13.4% 13.4% DATAPATH-4-1420
0x000000aab0e04148 0x000000ffebcff2a0 1.5% 1.5% 1.5% ARP Thread
0x000000aab2570e64 0x000000ffebcf3c80 0.1% 0.0% 0.0% vpnfol_thre ad_timer
0x000000aab22a302c 0x000000ffebcf6b00 0.1% 0.0% 0.0% snmp
0x000000aab0843b68 0x000000ffebd05380 0.1% 0.1% 0.1% CP Processi ng
0x000000aab0df8488 0x000000ffebcff680 0.1% 0.1% 0.1% IP Thread
0x000000aab06714dc 0x000000ffebd0db20 0.0% 0.2% 0.0% tmatch comp ile thread
>

with this situation I cannot deploy to the FTD in the official time,

anybody knows that what is the problem?

 

 

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