Cisco Catalyst 2950 Command Reference Manual page 431

Chapter 2 Catalyst 2950 and 2955 Cisco IOS Commands
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
12.0(5.2)WC(1)
12.1(6)EA2
12.1(9)EA1
12.1(20)EA2
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.
0L-10102-01
(Optional) Display the multiple spanning-tree (MST) region
configuration and status (all options only available in privileged EXEC
mode).
Display MST information for an instance, a range of instances separated
by a hyphen, or a series of instances separated by a comma. The range is
0 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 6.
(Optional) Display the default path cost method (only available in
privileged EXEC mode).
(Optional) Display root switch status and configuration (all keywords
only available 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 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 (some keywords
only available in privileged EXEC mode).
The VLAN 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 active, backbonefast, blockedports, bridge, inconsistentports,
pathcost method, root, total, and uplinkfast keywords were added.
The mst keyword and options were added. The brief keyword was removed,
and the detail keyword was added.
This command was added to the SI.
Catalyst 2950 and Catalyst 2955 Switch Command Reference
show spanning-tree
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