Cisco 300 Series User Manual

Spanning-Tree Commands
OL-32830-01 Command Line Interface Reference Guide 890
46
46.3 spanning-tree forward-time
Use the spanning-tree forward-time Global Configuration mode command to
configure the spanning-tree bridge forward time, which is the amount of time a
port remains in the listening and learning states before entering the forwarding
state. Use the no form of this command to restore the default configuration.
Syntax
spanning-tree forward-time
seconds
no spanning-tree forward-time
Parameters
seconds—Specifies the spanning-tree forward time in seconds. (Range: 4–30)
Default Configuration
15 seconds.
Command Mode
Global Configuration mode
User Guidelines
When configuring the forwarding time, the following relationship should be
maintained:
2*(Forward-Time - 1) >= Max-Age
Example
The following example configures the spanning tree bridge forwarding time to 25
seconds.
switchxxxxxx(config)# spanning-tree forward-time 25

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