2-722Cisco Catalyst Blade Switch 3120 for HP Command ReferenceOL-12248-03Chapter 2 Cisco Catalyst Blade Switch 3120 for HP Cisco IOS Commandsspanning-tree mst configurationspanning-tree mst configurationUse the spanning-tree mst configuration global configuration command on the switch stack or on astandalone switch to enter multiple spanning-tree (MST) configuration mode through which youconfigure the MST region. Use the no form of this command to return to the default settings.spanning-tree mst configurationno spanning-tree mst configurationSyntax 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 configurationCommand HistoryUsage Guidelines The spanning-tree mst configuration command enables the MST configuration mode. Theseconfiguration 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 theinstance-id is 1 to 4094. The range for vlan-range is 1 to 4094. You can specify a single VLANidentified by VLAN ID number, a range of VLANs separated by a hyphen, or a series of VLANsseparated by a comma.• name name: sets the configuration name. The name string has a maximum length of 32 charactersand 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 or switch stack supports up to 65 MST instances. The number of VLANs thatcan be mapped to a particular MST instance is unlimited.Release Modification12.2(40)EX1 This command was introduced.
