Method 1 Web Tools Page of the Switch
Click Switch View. On the page that is displayed, click Switch Information. On the tab page, Manufacturer serial number indicates Brocade SN, as shown in Figure 1-1.

Method 2 CLI of the Switch
Log in to the CLI of the switch and run the chassisshow command. Factory Serial Num is the Brocade SN, as shown in Figure 2-1.
