D-Link DES-6000 User Manual page 34

Modular Ethernet Switch User's Guide
24
Figure 5-1. Before Applying the STA Rules
Figure 5-2. After Applying the STA Rules
STA parameters Settings
Bridge Priority lower the #,
higher the
priority
Hello Time 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
Table 5-1. User-selective STA parameters
Effects Comment
Increases chance of Avoid, if the switch is
becoming the Root used in workgroup level
Bridge of a large network
No effect, if not Never set greater than
Root Bridge Max. Age Time
Compete for Root Avoid low number for
Bridge, if BPDU is unnecessary reset of
not received Root Bridge
Max. Age ≤ 2 x
High # delays the
change in state
(Forward Delay - 1)
Max. Age ≥ 2 x (Hello
Time + 1)
Enable or disable Disable a port for
this LAN segment security or problem
isolation
Increases chance of
become Root Port
Switch Management Concepts