Ruijie Community

Title: Troubleshooting for the “mstp.elf” process with very high cpu utilization [Print this page]

Author: Crystal Time: 2018-4-9 10:06
Title: Troubleshooting for the “mstp.elf” process with very high cpu utilization

The Spanning TreeProtocol (STP) is disabled on a core switch. However, the show cpu command output shows high CPU utilization and the CPUProtect Policy (CPP) statistics show that a large number of Bridge ProtocolData Unit (BPDU) packets are sent to the CPU.

Switch#show cpu

=======================================

CPU Using Rate Information

CPU utilization in five seconds: 87%

CPU utilization in one minute : 65%

CPU utilization in five minutes: 16%

NO 5Sec 1Min 5Min Process

1 0.00% 0.00% 0.00% init

2 0.00% 0.00% 0.00% kthreadd

3 0.00% 0.00% 0.00% migration/0

4 0.00% 0.00% 0.00% ksoftirqd/0

5 0.00% 0.00% 0.00% migration/1

6 0.00% 0.00% 0.00% ksoftirqd/1

11 0.00% 0.00% 0.00% events/0

12 0.00% 0.00% 0.00% events/1

15 0.00% 0.00% 0.00% khelper

.............................................

1021 80% 60% 15% mstp.elf

Welcome to Ruijie Community (https://community.ruijienetworks.com/)