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Can you mirror a trunk port?
Port trunks cannot be used as a mirror port. The destination port must be within the same grouping as the mirror ports.
How do I set up port mirroring?
Enable port mirroring on your switch
- In Dashboard, navigate to Switch > Monitor > Switch ports.
- Select one or more ports to be mirrored.
- Click Mirror:
- Specify the destination mirror port, which will be used to capture traffic on the source ports.
- Click Create port mirror:
What is trunk port in networking?
A trunk port is a specific type of port on a network switch that allows data to flow across a network node for multiple virtual local area networks or VLANs. Think of the trunk port as a “bundle” of individual branches or capillaries in a telecom network connection.
How to use port mirroring on Juniper switches?
Contact Juniper Support EX Series switches allow you to configure port mirroring to send copies of packets to either a local interface for local monitoring or to a VLAN for remote monitoring. You can use port mirroring to copy these packets: Packets entering a VLAN on EX2200, EX3200, EX3300, EX4200, EX4500, EX4550, or EX6200 switches
How to configure port mirroring for local monitoring?
To quickly configure local port mirroring of traffic from the two ports connected to employee computers, filtering so that only traffic to the external Web is mirrored, copy the following commands and paste them into the switch terminal window:
Which is an example of port mirroring in a switch?
This topic includes two related examples that describe how to mirror traffic entering ports on the switch to a destination interface on the same switch. The first example shows how to mirror all traffic entering the ports connected to employee computers.
How to configure port mirroring for ingress traffic?
To quickly configure local port mirroring for ingress traffic to the two ports connected to employee computers, copy the following commands and paste them into the switch terminal window: To configure an analyzer called employee-monitor and specify the input (source) interfaces and the analyzer output interface: