Cisco Nexus 5500 Series Command Reference Manual page 396

show spanning-tree vlan
protocol
inconsistentports
interface
ethernet
slot/[QSFP-module/]port
port-channel number
cost
edge
inconsistency
priority
rootcost
state
port
summary
Command Default
None
Command Modes EXEC mode
Command History Release
6.0(2)N1(1)
5.2(1)N1(1)
Examples This example shows how to display STP information on VLAN 1:
switch# show spanning-tree vlan 1
Cisco Nexus 5500 Series NX-OS Layer 2 Interfaces Command Reference
1390
(Optional) Displays which STP protocol is active on the switch.
(Optional) Displays the ports that are in an inconsistent STP state for
specified VLANs.
(Optional) Specifies the interface. The interface can be Ethernet or
EtherChannel.
(Optional) Specifies the Ethernet interface and its slot number and port
number. The slot number is from 1 to 255. The QSFP-module number
is from 1 to 4. The port number is from 1 to 128.
The QSFP-module number applies only to the QSFP+ Generic
Note
Expansion Module (GEM).
(Optional) Specifies the EtherChannel interface and number. The
EtherChannel number is from 1 to 4096.
(Optional) Displays the STP path cost for the specified VLANs.
(Optional) Displays the STP-type edge port information for the
specified interface for the specified VLANs.
(Optional) Displays the STP port inconsistency state for the specified
interface for the specified VLANs.
(Optional) Displays the STP priority for the specified VLANs.
(Optional) Displays the path cost to the root for specified interfaces for
the specified VLANs.
(Optional) Displays the current port STP state. Valid values are
blocking, disabled, learning, and forwarding.
(Optional) Displays information about the root port for the specified
VLANs.
(Optional) Displays summary STP information on the specified
VLANs.
Modification
Support for the QSFP+ GEM was added.
This command was introduced.
Chapter Show Commands
OL-27880-02