Cisco Catalyst 2950 Command Reference Manual page 232

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
12.0(5.2)WC(1)
12.1(6)EA2
12.1(9)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
are not displayed, but the lines that contain Output are displayed.
Catalyst 2950 Desktop Switch Command Reference
2-208
These keywords and options are available only if your switch is running
the EI.
(Optional) Display the multiple spanning-tree (MST) region
configuration and status (all options only available in privileged EXEC
mode).
Valid interfaces include physical ports, VLANs, and port channels. The
valid VLAN range is 1 to 4094; do not enter leading zeros. The valid
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 options only
available in privileged EXEC mode).
(Optional) Display a summary of port states or the total lines of the
spanning-tree state section (only available in privileged EXEC mode).
(Optional) Display spanning-tree UplinkFast status (only available in
privileged EXEC mode).
(Optional) Display spanning-tree information for the specified VLAN
(only available in privileged EXEC mode). The range is 1 to 4094 when
the enhanced software image (EI) is installed and 1 to 1005 when the
standard software image (SI) is installed. Do not enter leading zeros.
(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 first 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.
Chapter 2 Cisco IOS Commands
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