Port Mirroring allows you to copy packets on one or more ports to a mirroring destination port. You can attach a monitoring device to the mirroring destination port to view details about the packets passing through the copied ports. This is useful for network monitoring and troubleshooting purposes. The feature is available is at Manage > Switch < Details > Mirror
The following describe the labels on this screen :
Session id : A number identifying the mirror session. Switch supports up to 3 mirror sessions.
Session State : Select whether to enable or disable port mirroring.
Destination Port : The port which all mirrored data is sent to .
Ingress : indicates that only data being received will be mirrored.
Egress : indicates that only data being sent will be mirrored
Click the edit icon towards the right .
Enable the Session state.
Select the Destination port
Select the Ingress and Egress port
There are four types of port that you configured .
Port was assigned to a destination port . Port was assigned only data being sent will be mirrored . Port was assigned only data being received will be mirrored . Port was assigned both directions of data are being mirrored to the destination port.