Cpu bigip command, F5 BigIP

From NetworkCommands

A command available on F5 BigIP platforms running v4.x software; used to display current and historical CPU statistics.

Usage Syntax

cpu bigip

Usage Notes

Column Fields Are:

• Idle - CPU Time idle

• Unix - CPU Time dedicated to user space (non kernal) processes

• BIGIP - CPU Time used by the main traffic processing functions of the kernel

• NET - CPU Time used by basic networking functions such as ARP
  • A high value indicates a large amount of probably unwanted or unnecessary traffic (DoS attack or SYN flood for instance)

• DV_NET - CPU time used by the network drivers
  • A high value indicates a large amount of invalid (malformed) traffic

• INT - CPU time used for interrupt handling
  • A high value indicates a possible hardware problem

Row Fields Are:

• Max BIGIP - Lists the value of all counters at the time the BIGIP value reached it's maximum

• Max NET - Lists the value of all counters at the time the NET value reached it's maximum

• Max DV_NET - Lists the value of all counters at the time the DV_NET value reached it's maximum

Typical Output

              Idle   Unix   BIGIP   NET  DV_NET   INT
Current:        9%    84%     2%     4%     1%     0%

10-Sec Avg:    19%    73%     2%     4%     1%     0%
1-Min Avg:     20%    73%     2%     4%     1%     0%
5-Min Avg:     18%    74%     2%     4%     1%     0%
15-Min Avg:    17%    71%     2%     4%     1%     0%

Max BIGIP:      0%    82%     6%     8%     2%     2%
Max NET:       53%    32%     1%    13%     1%     0%
Max DV_NET:    48%    38%     3%     8%     3%     0%

Availability

F5 Big IP platforms running v4.x software only.