Intel ZT 8101 10/100 Spanning Tree Protocol, To configure STP switch settings, Advanced Setup

Using the Web Console

Advanced Setup

Most of the following options can be configured independently of the other options. However, you must configure a VLAN before you can configure an IP interface for it.

Spanning Tree Protocol

The Spanning Tree Protocol (STP) prevents loops in a network by allowing only one active path between any two network devices at a time. (For more information about using this protocol, refer to “Spanning Tree Protocol” in chapter 3.)

STP operates on two levels. On the switch level, the settings are globally implemented. On the port level, the settings are implemented on a user-defined group basis. STP must be enabled on the switch for it to be enabled on a particular port.

To configure STP switch settings

1.In the left panel, click Spanning Tree.

2.In the top panel, click STP Switch Settings.

3.In the Status field, select to Enabled or Disabled.

4.Configure the following fields. The factory default settings should cover the majority of installations, and most installations should keep these default settings.

Field	Default	Description
		Specifies the maximum time (in seconds) the switch will wait
		for a configuration message from the root bridge. At the end
		of this time, the switch will start sending out its own
		configuration messages for permission to become the root
		bridge.
Max Age	20	The device with the lowest bridge identifier becomes the root
		bridge (see the Priority field).
		Max Age must be set within the following range:
		• The minimum value is the higher of 6 or [2 x (Hello Time
		+1)]
		• The maximum value is the lower of 40 or [2 x (Forward
		Delay -1)]
		Specifies the time interval (in seconds) between two
		configuration messages. The root bridge sends these
		messages at this interval to inform all other devices that it is
Hello Time	2	the root bridge. This time will be used if and when your switch
		becomes the root bridge.
		It can be set from 1—10 seconds.
		The Hello Time cannot be longer than the Max Age;
		otherwise, a configuration error occurs.

112 Intel® NetStructure™ ZT 8101 10/100 Ethernet Switch User’s Manual