User manual ALLIED TELESIS AT-S24 MANAGEMENT SOFTWARE VERSION 2.01

[. . . ] Management Software ® AT-S24 x User's Guide FOR USE WITH AT-8216FXL, AT-8224XL, AND AT-8288XL FAST ETHERNET SWITCH PRODUCTS VERSION 2. 01 PN 613-10809-00 Rev D Copyright 2000 Allied Telesyn International, Corp. 960 Stewart Drive Suite B, Sunnyvale, CA 94085 USA All rights reserved. No part of this publication may be reproduced without prior written permission from Allied Telesyn International, Corp. CentreCom is a registered trademark of Allied Telesyn International, Corp. [. . . ] You can also view the MAC address by running the switch diagnostics program, as explained in Chapter 2, Managing a Switch. 86 AT-S24 Version 2. 01 User's Guide Displaying the MAC Address Table To display a switch's MAC address table, perform the following procedure: 1. From the Omega Main Menu, select MAC Address Table. The MAC Address menu in Figure 38 is displayed. Figure 38 MAC Address Menu 2. An example is shown in Figure 39. Figure 39 MAC Address Table Window 87 Configuring the MAC Address Table The table lists each MAC address that the switch has learned, the number or name of the port on which the MAC address was detected, and the VLAN to which the port belongs. The Refresh button queries the switch for the latest MAC address information and updates the window. Return to the Main Menu. Displaying the MAC Addresses of a Port The procedure in this section explains how to display the MAC addresses of a specific port. This allows you to easily determine the MAC addresses of the devices connected to a port on the switch. To display the MAC addresses of the devices connected to a specific port, perform the following procedure: 1. From the Omega Main Menu, select MAC Address Table. The MAC Address menu shown in Figure 38 is displayed. A list of the ports on the switch is displayed. Select the desired port number from the list. The MAC Address Table Per Port window is displayed. The window contains the MAC addresses that have been learned on the selected port. Figure 40 is an example of the window. Figure 40 MAC Address Table Per Port Window 4. Return to the Main Menu. 88 AT-S24 Version 2. 01 User's Guide Displaying the Port Number of a MAC Address The Omega interface allows you to determine the port on which a MAC address is located by specifying the address. This feature is useful in determining the port that a particular device is connected to on the switch. To display the port number for a specific MAC address, perform the following procedure: 1. From the Omega Main Menu, select MAC Address Table. The MAC Address prompt shown in Figure 41 is displayed. Figure 41 MAC Address Prompt 3. Select the MAC Address field and enter the MAC address of the device to be located. Enter the MAC address in the following format: XXXXXX XXXXXX The screen displays a window that contains the port on which the MAC address was learned. [. . . ] The packet is ignored by application software and other LAN segments. Bridges communicate between each other in order to determine the root bridge. Selecting a Root Bridge and Designated Bridges. During communication between bridges, one bridge is determined to have the lowest bridge identifier. [. . . ]