# Managing 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:

- Avoiding Conflicts Between Multiple Packet Mirroring Configurations
- Understanding the Prepended Header During a Packet Mirroring Session
- Resolving and Tracking the Analyzer Device’s Address
- Using Multiple Triggers for CLI-Based Packet Mirroring
- Optimizing Packet Mirroring Performance
- Logging Packet Mirroring Information
- Using SNMP Secure Packet Mirroring Traps
- Configuring SNMP Secure Packet Mirroring Traps
- Capturing SNMP Secure Audit Logs