# Monitoring Packet Mirroring

Packet mirroring enables you to send a copy of a packet to an external host for analysis. Packet mirroring has many uses, including traffic debugging and troubleshooting user networking problems.

This chapter contains the following topics:

- Monitoring Packet Mirroring Overview
- Monitoring CLI-Based Packet Mirroring
- Monitoring the Packet Mirroring Configuration of IP Interfaces
- Monitoring Failure Messages for Secure Policies
- Monitoring Packet Mirroring Triggers
- Monitoring Packet Mirroring Subscriber Information
- Monitoring RADIUS Dynamic-Request Server Information
- Monitoring Secure CLACL Configurations
- Monitoring Secure Policy Lists
- Monitoring Information for Secure Policies
- Monitoring SNMP Secure Packet Mirroring Traps
- Monitoring SNMP Secure Audit Logs