D-Link DES-5200 manual Root Bridge, Root Port

Fast Ethernet Switching System User’s Guide

Root Bridge

Specifies the MAC address of the Root Bridge. The DES-5200 may or may not be the root bridge. The DES-5200 is the default root bridge.

Root Port

Specifies the preferred path to the Root Bridge. Only one path per bridge can exist. The default setting is none.

Table 12: User Selective STA Parameters

STA Parameters	Settings	Effects	Comment
Enable/Disable	Enable/Disable	Participate in or	Enable in a
		remove from STA	SNMP network
Bridge Priority	Lower the #,	Increases chance	Avoid, if the
	higher the priority	of becoming the	switch is used in
		Root Bridge	workgroup level
			of a large network
Hello Time	1 – 10 seconds	No effect, if not	Never set greater
		Root Bridge	than Max Age
			Time
Max Age Time	6 – 40 seconds	Compete for Root	Avoid low
		Bridge, if BPDU is	number for
		not received	unnecessary reset
			of Root Bridge
Forward Delay	4 – 30 seconds	High # delays the	2 x (Forward
Time		change in state	Delay minus 1
			second) > Max
			Age, 2 x (Hello
			Time plus 1
			second) < Max
			Age
Port Level STA parameters
Enable/ Disable	Enable/ disable	Enable or disable	Disable a port for
		LAN segment	security or
			problem isolation
Port Priority	Lower the #,	Increases chance	No comment
	higher the priority	of becoming the
		Root Port

Managing the DES-5200 69