Cisco WS-C2960S-24PD-L Software Guide - Page 201
Setting Speed and Duplex Parameters, Configuring Flow Control on Gigabit Ethernet Ports
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Chapter 7 Configuring the Switch Ports Changing the Port Speed and Duplex Mode you use the full duplex with flow control option on a 100-Mbps port, the switch port responds to the pause-control frames sent from the attached device. The switch holds subsequent transmissions in the port queue for the time specified in the pause-control frame. When no more pause-control frames are received, or when time specified in the pause-control frame has passed, the switch again sends frames through the port. Setting Speed and Duplex Parameters Note The Ethernet link settings on the CPE Ethernet ports have special considerations and different default settings from the 10/100 ports. For this information, see the "Configuring the LRE Ports" section on page 7-16. Beginning in privileged EXEC mode, follow these steps to set the speed and duplex parameters on a 10/100 port: Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Command Purpose configure terminal Enter global configuration mode. interface interface Enter interface configuration mode, and enter the port to be configured. speed {10 | 100 | auto} Enter the speed parameter for the port. You cannot enter the speed on Gigabit Ethernet or ATM ports. duplex {full | half | auto} Enter the duplex parameter for the port. end Return to privileged EXEC mode. show running-config Verify your entries. copy running-config startup-config (Optional) Save your entry in the configuration file. This retains the configuration when the switch restarts. Configuring Flow Control on Gigabit Ethernet Ports Beginning in privileged EXEC mode, follow these steps to configure flow control on a Gigabit Ethernet port: Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Command Purpose configure terminal Enter global configuration mode. interface interface Enter interface configuration mode, and enter the port to be configured. flowcontrol [asymmetric | symmetric] Configure flow control for the port. end Return to privileged EXEC mode. show running-config Verify your entries. copy running-config startup-config (Optional) Save your entry in the configuration file. This retains the configuration when the switch restarts. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 7-3