Cisco Catalyst 3750 Command Reference Manual page 488

show spanning-tree
mst [configuration |
[instance-id [detail |
interface interface-id
[detail]]
pathcost method
root [address | cost | detail
| forward-time | hello-time
| id | max-age | port |
priority [system-id]]
summary [totals]
uplinkfast
vlan vlan-id [active
[detail] | backbonefast |
blockedports | bridge
[address | detail |
forward-time | hello-time |
id | max-age | priority
[system-id] | protocol]
| begin
| exclude
| include
expression
Command Modes User EXEC; indicated keywords available only in privileged EXEC mode.
Command History Release
12.1(11)AX
12.1(14)EA1
Usage Guidelines
If the vlan-id variable is omitted, the command applies to the spanning-tree instance for all VLANs.
Expressions are case sensitive. For example, if you enter | exclude output, the lines that contain output
do not appear, but the lines that contain Output appear.
Catalyst 3750 Switch Command Reference
2-460
(Optional) Display the multiple spanning-tree (MST) region
configuration and status (available only in privileged EXEC mode). You
can specify a single instance ID, a range of IDs separated by a hyphen, or
a series of IDs separated by a comma. The range is 1 to 15.
Valid interfaces include physical ports, VLANs, and port channels. The
VLAN range is 1 to 4094. The port-channel range is 1 to 48.
(Optional) Display the default path cost method (available only in
privileged EXEC mode).
(Optional) Display root switch status and configuration (all keywords
available only in privileged EXEC mode).
(Optional) Display a summary of port states or the total lines of the
spanning-tree state section.
(Optional) Display spanning-tree UplinkFast status.
(Optional) Display spanning-tree information for the specified VLAN
(some keywords available only in privileged EXEC mode). You can
specify a single VLAN identified by VLAN ID number, a range of
VLANs separated by a hyphen, or a series of VLANs separated by a
comma. The range is 1 to 4094.
(Optional) Display begins with the line that matches the expression.
(Optional) Display excludes lines that match the expression.
(Optional) Display includes lines that match the specified expression.
Expression in the output to use as a reference point.
Modification
This command was introduced.
The mst keyword and options were added.
Chapter 2 Catalyst 3750 Switch Cisco IOS Commands
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