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RackSwitch G8124 Command Reference
Chapter 4: Configuration Commands
137BMD00076, January 2009
Layer 2 Configuration
The following table describes basic Layer 2 Configuration commands. The following sections provide
more detailed information and commands.
Table 4-26 Layer 2 Configuration Commands
Command Syntax and Usage
vlan <1-4094>
Enters VLAN configuration mode. To view command options, see page 154.
Command mode: Global configuration
[no] spanning-tree uplinkfast
Enables Fast Uplink Convergence for PVRST, which provides rapid Spanning Tree convergence
to an upstream switch during failover. When enabled, this feature increases bridge priorities to
65500 for all STGs, and increases path cost by 3000 for all external STP ports.
Note: UpLinkFast can be enabled only when you are running PVRST.
Command mode: Global configuration
spanning-tree uplinkfast max-update-rate <10-200>
Configures the station update rate, in packets per second. The default value is 40.
Command mode: Global configuration
show layer2 information
Displays current Layer 2 parameters.
Command mode: All