How To Set Up Port Mirroring On Cisco Switch. Monitor session source interface </p> Configuring the source ports to be mirrored.
Monitor session source interface.</p> With port mirroring, you use exactly the same technique, but you alter the settings of your switch to create a data duplication function, thus removing the need to install a separate physical device. Check for existing monitor sessions.
Set The Interface To Monitor.
This port which is directly connected to the network analyzes the network traffic. Cisco recommends different methods for setting up port mirroring with span according to the version of the catalyst switch. Port mirroring means duplicating the traffic from a port (or an entire vlan) to another port.
Select The Session Number From Session Id.
The port and vlan mirroring page opens: In this cisco tech talk, we’ll show you how to configure port mirroring on a cbs 250 or 350 series switch through the device’s web interface. This is called port mirroring.
Open A Session On The Switch.
Check for existing monitor sessions. The port mirroring setup will not store or analyze. You can then pass this traffic to a network analyzer for analysis.
The Vlan And Interface Ids In The Configuration Provided Below Are Only Examples To Assist In Visualising What's Required.
In the source interface field, there are two. Open a session on the switch. Traffic mirroring, which is sometimes called port mirroring, or switched port analyzer (span) is a cisco proprietary feature that enables you to monitor layer 2 or layer 3 network traffic passing in, or out of, a set of ethernet interfaces.
Configure The Uplink Port On One Switch.
This must be the same for all source ports and the destination port and is usually the destination just created in the previous step. No vlans/default cisco vlan 1 configured. Configuration example for port mirroring;