C H A P T E; Conditional Debug And Radioactive Tracing; Introduction To Conditional Debugging - Cisco Catalyst 9400 System Management Configuration Manual

Conditional Debug and Radioactive Tracing

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Introduction to Conditional Debugging

The Conditional Debugging feature allows you to selectively enable debugging and logging for specific
features based on the set of conditions you define. This feature is useful in systems where a large number of
features are supported.
Note
Only Control Plane Tracing is supported.
The Conditional debug allows granular debugging in a network that is operating at a large scale with a large
number of features. It allows you to observe detailed debugs for granular instances within the system. This
is very useful when we need to debug only a particular session among thousands of sessions. It is also possible
to specify multiple conditions.
A condition refers to a feature or identity, where identity could be an interface, IP Address, or a MAC address
and so on.
Note MAC address is the only supported condition.
This is in contrast to the general debug command, that produces its output without discriminating on the
feature objects that are being processed. General debug command consumes a lot of system resources and
impacts the system performance.
Introduction to Conditional Debugging, on page 377
Introduction to Radioactive Tracing, on page 378
How to Configure Conditional Debug and Radioactive Tracing, on page 378
Monitoring Conditional Debugging, on page 382
Configuration Examples for Conditional Debugging, on page 382
Additional References for Conditional Debugging and Radioactive Tracing, on page 383
Feature History for Conditional Debugging and Radioactive Tracing, on page 383
System Management Configuration Guide, Cisco IOS XE Bengaluru 17.4.x (Catalyst 9400 Switches)
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