2-707
Catalyst 3750 Switch Command Reference
OL-8552-07
Chapter 2 Catalyst 3750 Switch Cisco IOS Commands
show spanning-tree
show spanning-tree
Use the
show spanning-tree
user EXEC command to display spanning-tree state information.
show spanning-tree
[
bridge-group
|
active
[
detail
] |
backbonefast
|
blockedports
|
bridge | detail
[
active
]
|
inconsistentports
|
interface
interface-id
|
mst
|
pathcost
method
|
root
|
summary
[
totals
] |
uplinkfast
|
vlan
vlan-id
] [
|
{
begin
|
exclude
|
include
}
expression
]
show spanning-tree
bridge-group
[
active
[
detail
] |
blockedports
|
bridge
|
detail
[
active
] |
inconsistentports
|
interface
interface-id
|
root
|
summary
] [
|
{
begin
|
exclude
|
include
}
expression
]
show spanning-tree vlan
vlan-id
[
active
[
detail
] |
blockedports
|
bridge
|
detail
[
active
] |
inconsistentports
|
interface
interface-id
|
root
|
summary
] [
|
{
begin
|
exclude
|
include
}
expression
]
show spanning-tree
{
vlan
vlan-id | bridge-group
}
bridge
[
address
|
detail
|
forward-time
|
hello-time
|
id
|
max-age
|
priority
[
system-id
]
| protocol
] [
|
{
begin
|
exclude
|
include
}
expression
]
show spanning-tree
{
vlan
vlan-id | bridge-group
}
root
[
address
|
cost
|
detail
|
forward-time
|
hello-time
|
id
|
max-age
|
port
|
priority
[
system-id
] [
|
{
begin
|
exclude
|
include
}
expression
]
show spanning-tree interface
interface-id
[
active
[
detail
] |
cost
|
detail
[
active
] |
inconsistency
|
portfast
|
priority
|
rootcost
|
state
] [ | {
begin
|
exclude
|
include
}
expression
]
show spanning-tree mst
[
configuration [
digest]] | [
instance-id
[
detail
|
interface
interface-id
[
detail
]] [
|
{
begin
|
exclude
|
include
}
expression
]
Syntax Description
bridge-group
(Optional) Specify the bridge group number. The range is 1 to 255.
active
[
detail
]
(Optional) Display spanning-tree information only on active interfaces
(available only in privileged EXEC mode).
backbonefast
(Optional) Display spanning-tree BackboneFast status.
blockedports
(Optional) Display blocked port information (available only in privileged
EXEC mode).
bridge
[
address
|
detail
|
forward-time
|
hello-time
|
id
|
max-age
|
priority
[
system-id
] |
protocol
]
(Optional) Display status and configuration of this switch (optional
keywords available only in privileged EXEC mode).
detail
[
active
]
(Optional) Display a detailed summary of interface information (
active
keyword available only in privileged EXEC mode).
inconsistentports
(Optional) Display inconsistent port information (available only in
privileged EXEC mode).
interface
interface-id
[
active
[
detail
] |
cost
|
detail
[
active
] |
inconsistency
|
portfast
|
priority
|
rootcost
|
state
]
(Optional) Display spanning-tree information for the specified interface
(all options except
portfast
and
state
available only in privileged EXEC
mode). Enter each interface separated by a space. Ranges are not
supported. Valid interfaces include physical ports, VLANs, and port
channels. The VLAN range is 1 to 4094. The port-channel range is 1
to 48.
