User Manual

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Users Manual of XGS-6350-24X4C
19.2.3 MSTP Configuration Task
19.2.3.1 Default MSTP Configuration
Attribute Default Settings
STP mode SSTP (PVST, RSTP and MSTP is not
started)
Area name Character string of MAC address
Area edit level 0
MST configuration list All VLANs are mapped in CIST (MST00).
Spanning-tree priority (CIST and all MSTI)
32768
Spanning-tree port priority (CIST and all
MSTI)
128
Path cost of the spanning-tree port (CIST
and all MSTI)
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
19.2.3.2 Enabling and Disabling MSTP
The STP protocol can be started in PVST or SSTP 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 Disables the STP.
19.2.3.3 Configuring MST Area
The MST area where the switch resides is decided by three attributes: configuration name, edit number, the
mapping relation between VLAN and MSTI. You can configure them through area configuration commands.
Note that the change of any of the three attributes will cause the change of the area where the switch resides.
In original state, the MST configuration name is the character string of the MAC address of the switch. The
edit number is 0 and all VLANs are mapped in the CIST (MST00). Because different switch has different MAC