To Next Page

To Previous Page

Overview ! 147

Chapter 6

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 sections:

! Overview on page 147

! Platform Considerations on page 151

! References on page 151

! Configuring CLI-Based Packet Mirroring on page 151

! Configuring RADIUS-Based Mirroring on page 165

! Conflicts Between CLI-Based and RADIUS-Based Configurations on page 174

! Understanding the Prepended Header on page 174

! Resolving and Tracking the Analyzer Device’s Address on page 177

! Using Multiple Triggers on page 177

! Optimizing Packet Mirroring Performance on page 178

! Logging Packet Mirroring Information on page 180

! Monitoring Packet Mirroring on page 186

Overview

The JUNOSe software provides two methods that you can use to configure and

manage your packet mirroring environment—CLI-based and RADIUS-based.

! CLI-based packet mirroring—An authorized user uses the router’s CLI

commands to configure and manage packet mirroring. You can mirror traffic

related to a specific IP or L2TP interface or traffic related to a particular user.

You also use CLI commands to create secure policies that identify the traffic to

be mirrored and specify how the mirrored traffic is treated.

Juniper E Series Configuration Guide

Other manuals for Juniper E Series