3Com 3CBLUG16A User Guide - Page 41

Figure 22 Port Statistics Page Mirroring Port Traffic 41 the Switch takes all the traffic going in and out of the monitor port and copies it to the analyzer port. CAUTION: The analyzer port should have a higher bandwidth than the monitor port. Otherwise, the Switch may not be able to copy all traffic effectively during periods of high traffic. Figure 23 Traffic Monitoring Page Figures on the Statistics page for individual ports are not updated in real time. To view the latest statistics for the port, click Refresh. Mirroring Port Traffic The Switch allows you to monitor traffic going in and out of a particular port. For traffic monitoring to work, you need to attach a network analyzer to one port and use it to monitor the traffic of other ports in the stack. To set up traffic monitoring, you need to set an analyzer port (the port that is connected to the analyzer), and a monitor port (the port that is to be monitored). Once the pair is defined, and you enable traffic monitoring, To set up traffic monitoring for a port: 1 Attach a network analyzer to a port. 2 Access the Web interface, and then click Port Mirroring on the menu. 3 Specify the monitor port and analyzer port from the list. ■ Monitor Port - This is the port that is to be monitored.