GE 82-POE Rstp System Configuration, Parameter Description Default Value, 128, Port Priority

Chapter 4: Web-Based Management

The following are the user-configurable STP parameters for the port or port group level:

PARAMETER	DESCRIPTION			DEFAULT VALUE
	A relative priority for each switch - lower numbers give a			128
Port Priority	higher priority and a greater chance of a given switch being
	elected as the root bridge.
				200,000-100Mbps
	A value used by STP to evaluate paths - STP calculates path			Fast Ethernet ports
Port Cost	costs and selects the path with the minimum cost as the			20,000-1000Mbps
	active path.			Gigabit Ethernet ports
				0 - Auto
Default Spanning-Tree Configuration
		Feature	Default Value
		Enable state	STP disabled for all ports
		Port priority	128
		Port cost	0
		Bridge Priority	32,768

NOTE: The Hello Time cannot be longer than the Max. Age. Otherwise, a configuration error will occur.

Observe the following formulas when setting the above parameters:

•Max. Age _ 2 x (Forward Delay - 1 second)

•Max. Age _ 2 x (Hello Time + 1 second)

RSTP System Configuration

This section provides RSTP-System Configuration from the Switch, the screen in Figure 61 appears.

•The user can view spanning tree information of Root Bridge.

•The user can modify RSTP state. After modification, click the Apply button.

GE-DS-82 and 82-PoE Ethernet Managed Switch User Manual 89