D-Link DES 6000 Product Manual - Page 30

Before Applying the STA Rules, Table 5-1., User-selective STA parameters, STA parameters

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Modular Ethernet Switch User's Guide Figure 5-1. Before Applying the STA Rules Figure 5-2. After Applying the STA Rules STA parameters Settings Effects Comment Bridge Priority Hello Time lower the #, higher the priority 1 - 10 sec. Max. Age Time 6 - 40 sec. Forward Delay 4 - 30 sec. Port Level STA parameters Enable/Disable Enable/ Disable Port Priority lower the #, higher the priority Increases chance of Avoid, if the switch is becoming the Root used in workgroup Bridge level of a large network No effect, if not Root Bridge Never set greater than Max. Age Time Compete for Root Avoid low number for Bridge, if BPDU is unnecessary reset of not received Root Bridge High # delays the change in state Max. Age ≤ 2 x (Forward Delay - 1) Max. Age ≥ 2 x (Hello Time + 1) Enable or disable this LAN segment Disable a port for security or problem isolation Increases chance of become Root Port Table 5-1. User-selective STA parameters Switch Management Concepts 25

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Modular Ethernet Switch User’s Guide
Switch Management Concepts
25
Figure 5-1.
Before Applying the STA Rules
Figure 5-2.
After Applying the STA Rules
STA parameters
Settings
Effects
Comment
Bridge Priority
lower the #,
higher the
priority
Increases chance of
becoming the Root
Bridge
Avoid, if the switch is
used in workgroup
level of a large network
Hello Time
1 - 10 sec.
No effect, if not
Root Bridge
Never set greater than
Max. Age Time
Max. Age Time
6 - 40 sec.
Compete for Root
Bridge, if
BPDU is
not
received
Avoid low number for
unnecessary reset of
Root Bridge
Forward Delay
4 - 30 sec.
High # delays the
change in state
Max. Age
≤
2
x
(Forward Delay - 1)
Max. Age
≥
2 x
(Hello
Time + 1)
Port Level STA parameters
Enable/Disable
Enable/
Disable
Enable or disable
this LAN segment
Disable a port for
security or problem
isolation
Port Priority
lower the #,
higher the
priority
Increases chance of
become Root Port
Table 5-1.
User-selective STA parameters