Configuring the Spanning Tree Protocol 653
Configuring MSTP Switch Settings
Beginning in Privileged EXEC mode, use the following commands to
configure MSTP settings for the switch.
Command Purpose
configure Enter global configuration mode.
spanning-tree mst
configuration
Enable configuring an MST region by entering the
multiple spanning-tree (MST) mode.
name
string
Define the MST configuration name
revision
version
Identify the MST configuration revision number.
instance
instance-id
{add | remove} vlan
vlan-range
Map VLANs to an MST instance.
•
instance-ID —
ID of the MST instance. (Range: 1-4094)
•
vlan-range —
VLANs to be added to the existing MST
instance. To specify a range of VLANs, use a hyphen. To
specify a series of VLANs, use a comma. (Range: 1-4093)
exit Return to global configuration mode.
spanning-tree mst
instance-id
priority
priority
Set the switch priority for the specified spanning-tree
instance.
•
instance-id —
ID of the spanning-tree instance. (Range:
1-4094)
•
priority —
Sets the switch priority for the specified
spanning-tree instance. This setting affects the likelihood
that the switch is selected as the root switch. A lower
value increases the probability that the switch is selected
as the root switch. (Range: 0-61440)
CTRL + Z Exit to Privileged EXEC mode.
show spanning-tree mst-
configuration
View multiple spanning tree configuration information.
show spanning-tree
instance
instance-id
View information about the specified MSTI.
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