CHAPTER
56-1
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
OL-4266-08
56
Using the Top N Utility
This chapter describes how to use the Top N utility on the Cisco 7600 series routers. Release
12.2(18)SXE and later releases support the Top N utility.
Note For complete syntax and usage information for the commands used in this chapter, refer to the Cisco IOS
Master Command List, Release 12.2SX at this URL:
http://www.cisco.com/en/US/docs/ios/mcl/122sxmcl/12_2sx_mcl_book.html
This chapter consists of these sections:
• Understanding the Top N Utility, page 56-1
• Using the Top N Utility, page 56-2
Tip For additional information (including configuration examples and troubleshooting information), see the
documents listed on this page:
http://www.cisco.com/en/US/products/hw/routers/ps368/tsd_products_support_series_home.html
Understanding the Top N Utility
These sections describe the Top N utility:
• Top N Utility Overview, page 56-1
• Understanding Top N Utility Operation, page 56-2
Top N Utility Overview
The Top N utility allows you to collect and analyze data for each physical port on a router. When the Top
N utility starts, it obtains statistics from the appropriate hardware counters and then goes into sleep mode
for a user-specified interval. When the interval ends, the utility obtains the current statistics from the
same hardware counters, compares the current statistics from the earlier statistics, and stores the
difference. The statistics for each port are sorted by one of the statistic types that are listed in Table 56-1.
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