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Fast Ethernet Switching System User's Guide
The switch with the lowest Bridge Identifier is the Root Bridge. It is best to make the
Root Bridge the best switch on the network to ensure the best network performance and
reliability.
Root Bridge
Specifies the MAC address of the Root Bridge. The DES-5024 may or may not be the
root bridge. The DES-5024 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 7: User Selective STA Parameters
STA parameters
Settings
Enable/Disable
Enable/
Disable
Bridge Priority
Lower the
#, higher
the
priority
Hello Time
1 – 10
seconds
Max Age Time
6 – 40
seconds
Forward Delay
4 – 30
seconds
Port Level STA parameters
Enable/ Disable
Enable/
disable
Port Priority
Lower the
#, higher
the
priority
Managing the DES-5024
Effects
Comment
Participate in or
Enable in a
remove from
SNMP network.
STA
Increases
Avoid, if the
chance of
switch is used in
becoming the
workgroup level of
Root Bridge
a large network
No effect, if not
Never set greater
Root Bridge
than Max Age
Time
Compete for
Avoid low number
Root Bridge, if
for unnecessary
BPDU is not
reset of Root
received
Bridge
High # delays
Max Age < 2 x
the change in
(Forward Delay -
state
1)
Max Age > 2 x
Hello Time + 1)
Enable or
Disable a port for
disable LAN
security or
segment
problem isolation
Increases
chance of
becoming the
Root Port
61
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