Cisco Catalyst 4500 Series Command Reference Guide

2-1000
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
OL-27596 -01
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
spanning-tree mst hello-time
spanning-tree mst hello-time
To set the hello-time delay timer for all the instances, use the spanning-tree mst hello-time command. To
return to the default settings, use the no form of this command.
spanning-tree mst hello-time seconds
no spanning-tree mst hello-time
Syntax Description
Defaults The hello-time delay timer is set for 2 seconds.
Command Modes Global configuration mode
Command History
Usage Guidelines If you do not specify the hello-time value, the value is calculated from the network diameter.
Examples This example shows how to set the hello-time delay timer:
Switch(config)# spanning-tree mst hello-time 3
Switch(config)#
Related Commands
seconds Number of seconds to set the hello-time delay timer for all the instances on the
Catalyst 4500 series switch; valid values are from 1 to 10 seconds.
Release Modification
12.1(12c)EW Support for this command was introduced on the Catalyst 4500 series switch.
Command Description
show spanning-tree mst Displays MST protocol information.

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E