Arctic Wolf Appliances

Juniper EX Switch Port Mirroring Configuration

Updated Nov 27, 2023

Configure Juniper EX Switch Port Mirroring
- Before you begin
- Steps
See also

Configure Juniper EX Switch Port Mirroring

You can configure Juniper EX switches for port mirroring. This allows you to copy network traffic to an Arctic Wolf® device.

Before you begin

Verify that the ingress interface is the uplink interface to your firewall.
Verify that the egress interface is the uplink interface to your firewall.
Verify that the output interface is the interface to the Arctic Wolf device.

Steps

Sign in to your Juniper switch.
Run this command to access the command-line:
```
cli
```
Run this command to verify the current analyzer configuration:
```
show analyzer
```
Run this command to enter configuration mode:
```
configure
```
Run this command to edit the forwarding-options configuration:
```
edit forwarding-options
```

Run these commands to add port mirroring:

set analyzer AWN-monitor input ingress interface ge-0/0/0.0
set analyzer AWN-monitor input egress interface ge-0/0/0.0
set analyzer AWN-monitor loss-priority high
set analyzer AWN-monitor output interface ge-0/0/1.0

Run this command to save the configuration:
```
commit
```
Run this command to verify the analyzer changes:
```
show analyzer
```

See also