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EDS-408A/405A Series User’s Manual Featured Functions
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This shows the communication protocol being used—Turbo Ring, RSTP, or none.
Root/Not Root
This is displayed only when RSTP is selected as the mode of operation. It indicates whether or not
this EDS is the Root of the Spanning Tree (the root is determined automatically).
At the lower portion of this page, the user can configure the Settings of this function. For RSTP,
you can configure:
Protocol of Redundancy
Setting Description Factory Default
Turbo Ring
Select this item to change to the
Turbo Ring configuration page.
None
RSTP (IEEE
802.1W/1D)
Select this item to change to the
RSTP configuration page.
None
Bridge priority
Setting Description Factory Default
Numerical value
selected by user
Increase this device’s bridge
priority by selecting a lower
number. A device with a higher
bridge priority has a greater
chance of being established as the
root of the Spanning Tree
topology.
32768
Forwarding Delay
Setting Description Factory Default
Numerical value
input by user
The amount of time this device
waits before checking to see if it
should change to a different state.
15 (sec.)
Hello time (sec.)
Setting Description Factory Default
Numerical value
input by user
The root of the Spanning Tree
topology periodically sends out a
“hello” message to other devices
on the network to check if the
topology is healthy. The “hello
time” is the amount of time the
root waits between sending hello
messages.
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