Cisco WS-C3560E-48PD-SF Command Reference - Page 612
spanning-tree mst configuration
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spanning-tree mst configuration Chapter 2 Catalyst 3560 Switch Cisco IOS Commands spanning-tree mst configuration Use the spanning-tree mst configuration global configuration command to enter multiple spanning-tree (MST) configuration mode through which you configure the MST region. Use the no form of this command to return to the default settings. spanning-tree mst configuration no spanning-tree mst configuration Syntax Description This command has no arguments or keywords. Defaults The default mapping is that all VLANs are mapped to the common and internal spanning-tree (CIST) instance (instance 0). The default name is an empty string. The revision number is 0. Command Modes Global configuration Command History Release 12.1(19)EA1 12.2(25)SEC Modification This command was introduced. The instance-id range changed to 1 to 4094. Usage Guidelines The spanning-tree mst configuration command enables the MST configuration mode. These configuration commands are available: • abort: exits the MST region configuration mode without applying configuration changes. • exit: exits the MST region configuration mode and applies all configuration changes. • instance instance-id vlan vlan-range: maps VLANs to an MST instance. The range for the instance-id is 1 to 4094. The range for vlan-range is 1 to 4094. You can specify a single VLAN identified by VLAN ID number, a range of VLANs separated by a hyphen, or a series of VLANs separated by a comma. • name name: sets the configuration name. The name string has a maximum length of 32 characters and is case sensitive. • no: negates the instance, name, and revision commands or sets them to their defaults. • private-vlan: Though visible in the command-line help strings, this command is not supported. • revision version: sets the configuration revision number. The range is 0 to 65535. • show [current | pending]: displays the current or pending MST region configuration. In MST mode, the switch supports up to 65 MST instances. The number of VLANs that can be mapped to a particular MST instance is unlimited. 2-580 Catalyst 3560 Switch Command Reference 78-16405-05