User's Manual

262
 Configuring the edge port
 Configuring port connection type
 Activating MST-compatible mode
 Restarting the protocol conversion check
 Configuring role restriction of the port
 Configuring TCN restriction of the port
 CheckMSTPinformation
36.3 MSTP Configuration Tasks
36.3.1 Default MSTP Configuration
Attributes Default Settings
STP mode RSTP (PVST, SSTP and MSTP is not enabled)
Area name Its default value is the MAC address of a switch.
Area edit level 0
MST configuration list All VLANs are mapped to CIST (MST00).
Spanning-tree port priority (CIST and all
MSTI)
32768
Spanning-tree port priority (CIST and all
MSTI)
128
Path cost of the spanning-tree port (CIST and
allMSTI)
1000 Mbps：20000
100 Mbps：200000
10 Mbps：2000000
Hello Time 2 seconds
Forward Delay 15 seconds
Maximum-aging Time 20 seconds
Maximum hop count 20
36.3.2 Enabling and disabling MSTP
The STP protocol can be started in RSTP mode by default. You can stop it running when the spanning-tree is
not required.
Run the following command to set the STP to the MSTP mode:
Command Purpose
spanning-tree
Enables STP in default mode.
spanning-tree mode mstp
Enables MSTP.
Run the following command to disable STP:
Command Purpose
no spanning-tree
Disable the STP.