The high CPU of a task is commonly caused by one of the following:
A large number of packets are sent to the CPU due to a loop, DoS attack, or other reasons.
The device receives a large number of topology change (TC) BPDUs due to frequent topology changes on the Spanning Tree Protocol (STP) network. As a result, the device frequently deletes MAC address entries and ARP entries.
The device generates a large number of logs, consuming a lot of CPU resources.
