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DES-7200 Configuration Guide Chapter 10 MSTP Configuration
10-22
Caution
You can enable LOOP Guard based on global or interface.
ROOT Guard or LOOP Guard takes effect at the same time.
That is , they can not both take effect at the same time .
The AutoEdge function on all interfaces is ineffective when
enabling LOOP Guard function globally.
The AutoEdge function on the interface is ineffective when
enabling LOOP Guard function in the interface configuration
mode.
10.3 Configuring MSTP
10.3.1 Default
Spanning Tree
Configuration
The following table lists the default configuration of the Spanning Tree protocol.
Item Default value
Enable State Disable
STP MODE MSTP
STP Priority 32768
STP port Priority 128
STP port cost
Automatically determine according to port
rate.
Hello Time 2 seconds
Forward-delay Time 15 seconds
Max-age Time 20 seconds
Default calculation method of the Path
Cost
Long
Tx-Hold-Count 3
Link-type
Automatically determine by the duplex
status of the port.
Maximum hop count 20
Corresponding relationship between
vlan and instance
All VLANs belong to instance 0
Only instance 0 exists
You can restore the STP parameters to its default configuration (except for
disabling STP) by using the spanning-tree reset command.