60 Configuring & Monitoring The Switch ELS100-24TXGConfiguring Class of ServiceYou can configure Class of Service parameters using the Class of ServiceConfiguration Menu. This menu permits you to configure priority levels totraffic being forwarded through the switch. During periods of congestion,Class of Service settings ensure that traffic which has been assigned highpriority is forwarded through the switch ahead of normal priority traffic. Forfurther information, see Appendix E, “Class of Service.”To configure Class of Service, do the following:1. Select Class of Service Configuration Menu from the SwitchConfiguration Menu.2. Turn the global switch Class of Service operation on or off by togglingthe Class of Service Enable option by pressing a.3. Select Priority Threshold and enter a number between 0 and 7. Thisnumber represents the threshold between high and low priority trafficpassing through the switch.4. Select Configure Port Priority.The Port Priority Menu displays. From this menu, individual port pri-ority levels can be configured.Configuring Port OperationYou can configure 10/100 ports for operational parameters such as auto-negotiation, duplex mode, port speed and flow control. On the GigabitEthernet ports, flow control and auto-negotiation can be configured, butduplex mode and port speed cannot. The Gigabit Ethernet ports alwaysoperate in full duplex mode and at a 1000Mbps speed.To configure port operation, do the following:1. Select Port Menu from the Main Menu.2. Select Configure and enter an individual port number or multiple portnumbers. Press [Enter].The port number(s) entered displays on the top of the Port Configu-ration screen.Examples: You can configure an individual port ormultiple ports, separated by commas or hyphens, in ei-ther:a list: ports 1, 3, 5, 7a range: ports 6-9or a combination of both: 1, 3, 5, 7, 10-15, 21, 23
