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Command Reference Guide
ip flow top-talkers
Use the ip flow top-talkers command to enable Top Talker functionality for integrated traffic monitoring
(ITM) and enter Top Talker configuration mode. Use the no form of this command to disable the Top
Talkers functionality and remove all associated settings.
For Top Talkers functionality to be enabled, ITM must be enabled on an interface. Refer to
the ip flow egress | ingress command. Refer to
on enabling ITM.
Syntax Description
No subcommands.
Default Values
By default, the Top Talkers feature is disabled.
Command History
Release 17.1
Usage Examples
The following example enables top talkers:
(config)#ip flow top-talkers
(config-top-talkers)#
Technology Review
Using the internal Top Talkers data collection feature of ITM, several of the most important flow cache
statistics can be viewed at a glance from within the router itself. The Top Talkers feature incorporates the
statistics of Top Talkers (top bandwidth users by source IP address), Top Listeners (top bandwidth users by
destination IP address), and Port Lists (amounts of traffic observed on specific ports) into easily viewed
output, accessed through either the command line interface (CLI) or Web-based graphical user interface
(GUI). These statistics are captured by the metering process at the traffic flow observation point, and
collected as traffic flow entries expire from the flow cache. These statistics allow the user to see the nature
of traffic being processed by the router without having to configure an external server to collect data.
The internal Top Talkers data collector can be enabled instead of or in conjunction with an external data
collector, or it can operate with no external data collector configured. Because Top Talkers collects and
processes expired flow cache entries in a separate function from their exportation, it can function
independently of an external collector. With both an external data collector and Top Talkers enabled,
expired flow cache entries are sent to both the external data collector and through the Top Talkers
collector. The separation of Top Talkers collection from external data collectors provides methods of
separate data collector configuration, therefore, allowing the enablement of only Top Talkers collection, Top
Talkers collection in addition to external data collection, or external data collection only. For more
information on the ITM Top Talkers feature, refer to the Integrated Traffic Monitoring configuration guide
available online at
https://supportforums.adtran.com
60000CRG0-35E
Command was introduced.
(article number 2157).
Copyright © 2012 ADTRAN, Inc.
Global Configuration Mode Command Set
ip flow on page 1628
for more information
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