Cisco Catalyst 2960 Series User Manual

Table 151: Troubleshooting CPU Utilization Problems
Corrective ActionCauseType of Problem
Determine the source of the
network packet. Stop the flow, or
change the switch configuration.
See the section on “Analyzing
Network Traffic.”
The CPU is receiving too many
packets from the network.
Interrupt percentage value is almost
as high as total CPU utilization
value.
Identify the unusual event, and
troubleshoot the root cause. See the
section on “Debugging Active
Processes.”
One or more Cisco IOS process is
consuming too much CPU time.
This is usually triggered by an
event that activated the process.
Total CPU utilization is greater
than 50% with minimal time spent
on interrupts.
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
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Verifying Troubleshooting of the Software Configuration

Cisco Catalyst 2960 Series Specifications

General

Layer	Layer 2
Power over Ethernet (PoE)	Available on some models
RAM	128 MB
Flash Memory	32 MB
MAC Address Table Size	8000
Operating Temperature	0°C to 45°C (32 to 113°F)
Ports	24 or 48 x 10/100/1000