Verifying The Stp Extension Configuration - Cisco Nexus 9000 Series Configuration Manual

Verifying the STP Extension Configuration

Step 4
Step 5
Step 6
This example shows how to prevent the specified interfaces from automatically interoperating with a connecting
device that is not running MST:
switch(config-if)# spanning-tree mst simulate pvst
switch(config-if)#
Verifying the STP Extension Configuration
To display the configuration information for the STP extensions, perform one of the following tasks:
Command
show running-config spanning-tree [all]
show spanning-tree summary
show spanning-tree mst instance-id interface
{ethernet slot/port | port-channel channel-number}
[detail]
Cisco Nexus 9000 Series NX-OS Layer 2 Switching Configuration Guide, Release 7.x
176
Command or Action
exit
Example:
switch(config-if)# exit
switch(config)#
show spanning-tree interface type slot/port
detail
Example:
switch# show spanning-tree interface
ethernet 3/1 detail
copy running-config startup-config
Example:
switch(config)# copy running-config
startup-config
Configuring STP Extensions Using Cisco NX-OS
Purpose
Sets the interface to the device-wide MST and
Rapid PVST+ interoperation that you
configured using the spanning-tree mst
simulate pvst global command.
Exits interface mode.
(Optional)
Displays detailed STP information.
(Optional)
Copies the running configuration to the startup
configuration.
Purpose
Displays information about STP.
Displays summary information on STP.
Displays MST information for the specified interface
and instance.