交换机业务板CPU占用

我单位有个华三的S7006X框式交换机，双主控，只插了一块业务板LSCM2GT24GPTSSC8，上面做了大概十几个vlan，十几个vlanif，没有DHCP，没有STP，静态路由就一条去防火墙的，接口配置都是TRUNK，连下面的接入交换机，都是新华三的S5120V3，总体带机量也不算太多，arp表项也就200多个，现在业务板的CPU占用，晚上没流量没机器的时候15%，白天200多机器直接到将近30%，双主控CPU一般也就5%-9%，这个正常吗？

H3C Comware Software, Version 7.1.070, Release 7778P02

Copyright (c) 2004-2026 New H3C Technologies Co., Ltd. All rights reserved.

H3C S7006X uptime is 0 weeks, 4 days, 18 hours, 2 minutes

Last reboot reason : User reboot

Boot image: flash:/S7000X-CMW710-BOOT-R7778P02.bin

Boot image version: 7.1.070, Release 7778P02

  Compiled Aug 28 2026 16:00:00

System image: flash:/S7000X-CMW710-SYSTEM-R7778P02.bin

System image version: 7.1.070, Release 7778P02

  Compiled Aug 28 2026 16:00:00

LPU 0:

Uptime is 0 weeks,4 days,17 hours,58 minutes

BOARD TYPE:         LSCM2GT24GPTSSC8

DRAM:               1024M bytes

FLASH:              0M bytes

PCB 1 Version:      VER.A

Bootrom Version:    112

CPLD 1 Version:     001

Power CPLD Version: 001

PowChip 1 Version:  001

Release Version:    S7000X-7778P02

Patch Version:      None

Reboot Cause:       UserReboot

MPU(M) 3:      

Uptime is 0 weeks,4 days,18 hours,2 minutes

BOARD TYPE:         LSCM2MPUS06AS8

DRAM:               2048M bytes

FLASH:              3720M bytes

PCB 1 Version:      VER.A

Bootrom Version:    115

CPLD 1 Version:     001

CPLD 2 Version:     001

PowChip 1 Version:  001

Release Version:    S7000X-7778P02

Patch Version:      None

Reboot Cause:       UserReboot

MPU(S) 4:      

Uptime is 0 weeks,4 days,18 hours,2 minutes

BOARD TYPE:         LSCM2MPUS06AS8

DRAM:               2048M bytes

FLASH:              3720M bytes

PCB 1 Version:      VER.A

Bootrom Version:    115

CPLD 1 Version:     001

CPLD 2 Version:     001

PowChip 1 Version:  001

Release Version:    S7000X-7778P02

Patch Version:      None

Reboot Cause:       UserReboot