Verifying The Stp Extension Configuration - Cisco nexus 5000 series Configuration Manual

Verifying the STP Extension Configuration

Before You Begin
Ensure that STP is configured.
Ensure that you are configuring Loop Guard on spanning tree normal or network ports.
SUMMARY STEPS
1. switch# configure terminal
2. switch(config)# interface type slot/port
3. switch(config-if)# spanning-tree guard {loop | root | none}
DETAILED STEPS
Command or Action
Step 1 switch# configure terminal
Step 2 switch(config)# interface type slot/port
Step 3 switch(config-if)# spanning-tree guard
{loop | root | none}
This example shows how to enable Root Guard on Ethernet port 1/4:
switch# configure terminal
switch (config)# interface ethernet 1/4
switch(config-if)# spanning-tree guard root
Verifying the STP Extension Configuration
Use the following commands to display the configuration information for the STP extensions.
Command
show running-config spanning-tree [all]
show spanning-tree [options]
Cisco Nexus 5000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.1(3)N1(1)
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Purpose
Enters global configuration mode.
Specifies the interface to configure, and enters the interface configuration
mode.
Enables or disables either Loop Guard or Root Guard for the specified
interface. By default, Root Guard is disabled by default, and Loop Guard
on specified ports is also disabled.
Loop Guard runs only on spanning tree normal and network
Note
interfaces.
Purpose
Displays the current status of spanning tree on the
switch.
Displays selected detailed information for the current
spanning tree configuration.
Configuring STP Extensions
OL-25842-01