Configure Port Mirroring the switch allows you to copy frames transmitted and received on a port and redirect the copies to another port. You can attach a monitoring device to the mirrored port, such as a sniffer or an rmon probe, to view details about the packets passing through the first port this is useful for network monitoring and troubleshooting purposes choose configure port mirroring on the configuration menu to access the following screen:.. to configure a mirror port, enter i (ingress), e (egress), or b ( ingress & egress) for each port from where you want to copy frames in the source port field and then enter the port that receives the copies from the source port in the target port field. the target port is where you will connect a monitoring / troubleshooting Device Such As a Sniffer or An RMON Probe. Finally, Toggle The Mirror Status Field To Enabled, Highlight Apply, and PRESS ENTER. Attention: You Should Not Mirror A Faster Port OR Higher Traffic Ports on To a slower port. for example, if you try to mirror the traffic from a 100 mbps port onto a 10 mbps port, this can cause throughput problems. the port you are copying frames from should always support an equal or lower speed than the port to Which you are sending the copies. Also, The Target Port Cannot Beh Member of A Trunk Group.
