Cisco 300 Series User Manual

Spanning-Tree Commands
OL-32830-01 Command Line Interface Reference Guide 924
46
Default Configuration
Show information for all interfaces. If detailed is not used, only present ports are
displayed.
Command Mode
User EXEC mode
Example
The following examples display spanning-tree BPDU information:
46.31 spanning-tree loopback-guard
Use the spanning-tree loopback-guard global configuration command to shut
down an interface if it receives a loopback BPDU. Use the no form of this
command to return the default setting.
switchxxxxxx# show spanning-tree bpdu
The following is the output if the global BPDU handling
command is not supported.
Interface
---------
gi1 1
gi1 2
gi13
Admin Mode
----------
Filtering
Filtering
Filtering
Oper Mode
---------
Filtering
Filtering
Guard
The following is the output if both the global BPDU
handling command and the per-interface BPDU handling
command are supported.
Global: Flooding
Interface
---------
gi11
gi12
gi13
Admin Mode
----------
Global
Global
Flooding
Oper Mode
---------
Flooding
STP
STP

Cisco 300 Series Specifications

General

Model	Cisco 300 Series
Category	Switch
Dimensions	Varies by model
Weight	Varies by model
Power over Ethernet (PoE)	Available on select models
Management	Web-based GUI, SNMP, CLI
VLANs	Up to 256
Security Features	ACLs, 802.1X, Port Security
Humidity	10% to 90% non-condensing
Ports	8, 16, 24, 48