Dell Force10 Z9000 FTOS Command Line Reference Guide for the Z9000 System FTOS - Page 750
switchport, Spanning Tree. The keywords
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• The unit number with the split ports must be the default (stack-unit 0). • This can be verified using CLI show system brief. If the unit ID is different than 0, it must be renumbered to 0 before ports are split by using the stackunit id renumber 0 command in EXEC mode. The quad port must be in a default configuration before it can be split into 4x10G ports. The 40G port is lost in the config when the port is split, so be sure the port is also removed from other L2/L3 feature configurations. The system must be reloaded after issuing the CLI for the change to take effect. switchport Place an interface in Layer 2 mode. C-Series, E-Series, S-Series, Z-Series, S4810 Syntax Parameters switchport [backup interface {gigabit slot/port | tengigabit slot/port | fortyGigE slot/port | port-channel number}] To remove an interface from Layer 2 mode and place it in Layer 3 mode, enter the no switchport command. If a switchport backup interface is configured, you must first remove the backup configuration. To remove a switchport backup interface, enter the no switchport backup interface {gigabit slot/port | tengigabit slot/port | fortyGigE slot/port | port-channel number} command. backup interface gigabit tengigabit fortyGigE port-channel slot/port Use this option to configure a redundant Layer 2 link without using Spanning Tree. The keywords backup interface configures a backup port so that if the primary port fails, the backup port changes to the up state. If the primary later comes up, it becomes the backup. Enter the keyword gigabit if the backup port is a 1G port. Enter the keyword tengigabit if the backup port is a 10G port. Enter the keyword fortyGigE if the backup port is a 40G port. Enter the keywords port-channel if the backup port is a static or dynamic port channel. Specify the line card and port number of the backup port. Defaults Command Modes Command History Disabled (The interface is in Layer 3 mode.) INTERFACE Version 8.3.11.1 Version 8.5.1.0 Version 8.4.1.0 Introduced on the Z9000. Added support for 4-port 40G line cards on ExaScale. Added support for port-channel interfaces (the port-channel number option). 750
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