How do I enable port mirroring on a switch?
How do I enable port mirroring on a switch?
Click System > Network Configuration. In the Optional section, expand the node for Additional Networking Features. Select Port Mirroring to configure port mirroring. In Monitor Port 1(Required) and optionally, Monitor Port 2(Optional), select ports for monitoring use.
What is port mirroring in Cisco switch?
Switched Port Analyzer (SPAN), which is also called port mirroring, or traffic mirroring enables you to monitor network traffic passing in, or out of, a set of ports. You can then pass this traffic to a destination port on the same router.
What is port VLAN mirroring on a switch?
Port Mirroring is used on a network switch to send a copy of network packets seen on one switch port, multiple switch ports, or an entire VLAN to a network monitoring connection on another port on the switch.
How do I use 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:
Is port mirroring same as port forwarding?
Thus, port mapping is a process of data forwarding, while port mirroring is a process of data copying.
How do I know if port mirroring is working?
It can be checked in a simple way by below steps:
- In “Network Connections”, check the “status” of the monitoring adapter:
- Upon successful mirroring, the “Received” packets number shall be much larger than the “Sent” packets. Figure 2.
What is port mirroring and why is it used?
Port mirroring is used on a network switch to send a copy of network packets seen on one switch port (or an entire VLAN) to a network monitoring connection on another switch port.
Why is port mirroring used?
Network engineers or administrators use port mirroring to analyze and debug data or diagnose errors on a network. It helps administrators keep a close eye on network performance and alerts them when problems occur. It can be used to mirror either inbound or outbound traffic (or both) on single or multiple interfaces.