SNR S2940-8G-v2 Switch Configuration Guide
MSTP Configuration
Port Mode
spanning-tree mcheck Force port migrate to run under MSTP.
2. Configure instance parameters
Command Explanation
Global Mode
spanning-tree mst <instance-id> priority
<bridge-priority>
no spanning-tree mst <instance-id> priority
Set bridge priority for specified instance.
spanning-tree priority <bridge-priority>
no spanning-tree priority
Configure the spanning-tree priority of the switch.
Port Mode
spanning-tree mst <instance-id> cost
<cost>
no spanning-tree mst <instance-id> cost
Set port path cost for specified instance.
spanning-tree mst <instance-id> port-
no spanning-tree mst <instance-id> port-
priority
Set port priority for specified instance.
spanning-tree mst <instance-id> rootguard
no spanning-tree mst <instance-id> root-
guard
Configure currently port whether running root-
guard in specified instance, configure the root-
guard port can't turn to root port.
spanning-tree rootguard
no spanning-tree rootguard
Configure currently port whether running root-
guard in instance 0, configure the rootguard port
can't turn to root port.
spanning-tree [mst <instance-id>] loop-
guard
no spanning-tree [mst <instance-id>] loop-
guard
Enable loopguard function on specified instance,
the no command disables this function.
3. Configure MSTP region parameters
Command Explanation
Global Mode
spanning-tree mst configuration
no spanning-tree mst configuration
Enter MSTP region mode. The no command re-
stores the default setting.
MSTP region mode
show Display the information of the current running
system.
instance <instance-id> vlan <vlan-list>
no instance <instance-id> [vlan <vlan-list>]
Create Instance and set mapping between VLAN
and Instance.
name <name>
no name
Set MSTP region name.
revision-level <level>
no revision-level
Set MSTP region revision level.
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