Mstp Configuration - Lenovo RackSwitch G8264CS Cli Command Reference

MSTP Configuration

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G8264CS Command Reference for ENOS 8.4
Up to 32 Spanning Tree Groups can be configured in MSTP mode. MSTP is turned
off by default and the default STP mode is PVRST.
Note: When Multiple Spanning Tree is turned on, VLAN 4095 is moved from
Spanning Tree Group 128 to the Common Internal Spanning Tree (CIST). When
Multiple Spanning Tree is turned off, VLAN 4095 is moved back to Spanning Tree
Group 128.
Table 216.
Multiple Spanning Tree Configuration Options
Command Syntax and Usage
spanning­tree mst configuration
Enables MSTP configuration mode.
Command mode: Global configuration
[no] spanning­tree mst <0‐32> enable
Enables or disables the specified MSTP instance.
Command mode: Global configuration
spanning­tree mst <0‐32> priority <0‐65535>
Configures the bridge priority for the specified MSTP instance. The bridge
priority parameter controls which bridge on the network is the MSTP root
bridge. To make this switch the root bridge, configure the bridge priority lower
than all other switches and bridges on your network. The lower the value, the
higher the bridge priority.
The range is 0 to 65535, in steps of 4096 (0, 4096, 8192, 12288 ...) and the default
value is 32768.
Command mode: Global configuration
no spanning­tree mst <0‐32> priority
Resets the bridge priority for the specified MSTP instance to the default value
of 32768.
Command mode: Global configuration
spanning­tree mst forward­time <4‐30>
Configures the forward delay time in seconds. The forward delay parameter
specifies the amount of time that a bridge port has to wait before it changes from
the discarding and learning states to the forwarding state.
The default value is 15.
Command mode: Global configuration
spanning­tree mst max­age <6‐40>
Configures the maximum age interval in seconds. The maximum age
parameter specifies the maximum time the bridge waits without receiving a
configuration bridge protocol data unit before it reconfigures the MSTP
network.
The default value is 20 seconds.
Command mode: Global configuration