Figure 1: Network Topology For Local Port Mirroring Example - Juniper EX9200 Features Manual

Mirroring All Employee Traffic for Local Analysis
CLI Quick
Configuration
EX Series
MX Series
Step-by-Step
Procedure
Copyright © 2016, Juniper Networks, Inc.

Figure 1: Network Topology for Local Port Mirroring Example

To quickly configure local mirroring for ingress traffic sent to the two ports connected to
employee computers, copy either the following commands for EX Series switches or for
MX Series routers and paste them into the switching device's terminal window:
[edit]
set interfaces ge-0/0/0 unit 0 family ethernet-switching
set interfaces ge-0/0/1 unit 0 family ethernet-switching
set forwarding-options analyzer employee-monitor input ingress interface ge-0/0/0.0
set forwarding-options analyzer employee-monitor input ingress interface ge-0/0/1.0
set forwarding-options analyzer employee-monitor output interface ge-0/0/10.0
[edit]
set interfaces ge-0/0/0 unit 0 family bridge interface-mode access vlan-id 99
set interfaces ge-0/0/1 unit 0 family bridge interface-mode access vlan-id 98
set forwarding-options analyzer employee-monitor input ingress interface ge-0/0/0.0
set forwarding-options analyzer employee-monitor input ingress interface ge-0/0/1.0
set forwarding-options analyzer employee-monitor output interface ge-0/0/10.0
To configure an analyzer called
interfaces and the analyzer output interface:
Configure each interface you are to use in the analyzer configuration. Use the family
1.
protocol that is correct for your platform.
EX Series
[edit]
set interfaces ge-0/0/0 unit 0 family ethernet-switching
set interfaces ge-0/0/1 unit 0 family ethernet-switching
Chapter 2: Copy Packets to a Local Interface for Local Monitoring
employee-monitor and specify both the input (source)
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