Dell PowerConnect Brocade 300 Fabric OS Administrator's Guide v7.1.0 - Page 91
Fabric OS, Command Reference
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Ports 3 • When selecting autonegotiation, you can choose the specific link operating modes that are advertised to the link partner. At least one mode must be advertised in common by both sides of the link. • When forcing the link operating mode, both sides of the link must be forced to the same mode. A link will not work reliably if one side is set to autonegotiate and the other side is set to a forced mode. • For dual-CP systems, the ifModeSet command affects only the CP you are currently logged in to. Therefor, to set the link operating mode on the active CP, you must issue this command on the active CP; and to set the mode on the standby CP, you must issue this command on the standby CP. During failover, the mode is retained separately for each CP, because the physical links might be set to operate in different modes. • Active link operating mode values are confirmed by entering y or yes at the prompt. Entering n or no deactivates that mode. If the mode selected is the same as the current mode, nothing is changed and the command moves to the next option. If the mode selected differs from the current mode, the change is saved and the command moves to the next option. ATTENTION Forcing the link to an operating mode not supported by the network equipment to which it is attached might result in an inability to communicate with the system through its Ethernet interface. It is recommended that this command be used only from the serial console port. When used through an interface other than the serial console port, the command displays a warning message and prompts for verification before continuing. This warning is not displayed and you are not prompted when the command is used through the serial console port. See the examples below for illustrations. NOTE This command may be subject to Virtual Fabric or Admin Domain restrictions. Refer to the Fabric OS Command Reference for details. Use the following procedure to set the mode of a port: 1. Connect to the switch and log in using an account with admin permissions. 2. Enter the ifModeSet command. Example of setting the port mode to full autonegotiate The following example sets the mode for eth3 to autonegotiate, and permits both full and half-duplex modes to be selected at both 10 and 100 Mbps: switch:admin> ifmodeset eth3 Exercise care when using this command. Forcing the link to an operating mode not supported by the network equipment to which it is attached may result in an inability to communicate with the system through its ethernet interface. It is recommended that you only use this command from the serial console port. Are you sure you really want to do this? (yes, y, no, n): [no] y Proceed with caution. Auto-negotiate (yes, y, no, n): [no] y Advertise 100 Mbps / Full Duplex (yes, y, no, n): [yes] y Advertise 100 Mbps / Half Duplex (yes, y, no, n): [yes] y Advertise 10 Mbps / Full Duplex (yes, y, no, n): [yes] y Advertise 10 Mbps / Half Duplex (yes, y, no, n): [yes] y Committing configuration...done. switch:admin> Fabric OS Administrator's Guide 91 53-1002745-02
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