15-1
v1.1, May 2006
Chapter 15 Port Mirroring
This section describes the Port Mirroring feature.
Overview
Port Mirroring:
• Allows you to monitor network traffic with an external network analyzer
• Forwards a copy of each incoming and outgoing packet to a specific port
• Is used as a diagnostic tool, debugging feature or means of fending off attacks
• Assigns a specific port to copy all packets to
• Allows inbound or outbound packets to switch to their destination and to be copied to the
mirrored port
CLI Examples
The following are examples of the commands used in the Port Mirroring feature.