Chapter 11
Configuring STP
Figure 11-4 Gigabit Ethernet Stack
Catalyst 2950 or 3550
switches
Option 1:
standalone
cascaded
cluster
Displaying the Spanning-Tree Status
To display the spanning-tree status, use one or more of the privileged EXEC commands in
Table 11-5 Commands for Displaying Spanning-Tree Status
Command
show spanning-tree active
show spanning-tree detail
show spanning-tree interface interface-id
show spanning-tree summary [totals]
For information about other keywords for the show spanning-tree privileged EXEC command, refer to
the command reference for this release.
78-14982-01
Catalyst 3550
series switch
Catalyst
2950
6000 series
or 3550
backbone
switches
Catalyst 6000
Option 2:
cascaded
cluster connected to
a Layer 2 backbone
Purpose
Displays spanning-tree information on active interfaces only.
Displays a detailed summary of interface information.
Displays spanning-tree information for the specified interface.
Displays a summary of port states or displays the total lines of the STP state
section.
Catalyst 2950
or 3550
switches
Catalyst
3550 or
switch
Option 3:
cascaded
cluster connected to
a Layer 3 backbone
Catalyst 2950 Desktop Switch Software Configuration Guide
Displaying the Spanning-Tree Status
Cisco 7000
router
Layer 3
backbone
Cisco 7000
router
Table
11-21
11-5: