Dell PowerConnect 5548 User Guide - Page 450

2 Enter the following fields: - Region Name (1-32 Characters) - Enter the user-defined MSTP region name. - Revision (0-65535) - Enter the unsigned 16-bit number that identifies the current MST configuration revision. The revision number is required as part of the MST configuration. - Max Hops (1-40) - Enter the total number of hops that occur in a specific region before the BPDU is discarded. Once the BPDU is discarded, the port information is aged out. - IST Master - Displays the Internal Spanning Tree Master ID. The IST Master is the instance 0 root. Configuring MST Properties Using CLI Commands The following table summarizes the CLI commands for configuring MST properties in the MSTP Properties pages. Table 13-4. MSTP Properties CLI Commands CLI Command Description spanning-tree mst configuration Enters MST Configuration mode. spanning-tree mst max-hops hop-count no spanning-tree mst maxhops Configures the number of hops in an MST region before the BDPU is discarded and the port information is aged out (in Global Configuration mode). Use the no form of this command to restore the default configuration. name string no name Sets the MSTP region name. Use the no form of this command to restore the default setting. revision value no revision Defines the MST configuration revision number. Use the no form of this command to restore the default configuration. exit Exits the MST region configuration mode after applying configuration changes. 450 Dell PowerConnect 55xx Systems User Guide