Planet GS-4210-16T2S User Manual page 154

except by setting priority
below)
Priority
Hello Time
Maximum Age Timer
Forward Delay Timer
The following are the user-configurable STP parameters for the port or port group level:
Variable
Port Priority
Port Cost
Default Spanning-Tree Configuration
User-Changeable STA Parameters
The Switch's factory default setting should cover the majority of installations. However, it is advisable to keep the default settings
as set at the factory; unless, it is absolutely necessary. The user changeable parameters in the Switch are as follows:
Priority – A Priority for the switch can be set from 0 to 65535. 0 is equal to the highest Priority.
User's Manual of GS-4210-16T2S_24T2S_16P2S_24P2S_48T4S
The Bridge Identifier consists of two parts:
a 16-bit priority and a 48-bit Ethernet MAC
address 32768 + MAC
A relative priority for each switch – lower
numbers give a higher priority and a greater
chance of a given switch being elected as
the root bridge
The length of time between broadcasts of
the hello message by the switch
Measures the age of a received BPDU for a
port and ensures that the BPDU is discarded
when its age exceeds the value of the
maximum age timer.
The amount time spent by a port in the
learning and listening states waiting for a
BPDU that may return the port to the
blocking state.
Description
A relative priority for each
port –lower numbers give a higher priority
and a greater chance of a given port being
elected as the root port
A value used by STP to evaluate paths –
STP calculates path costs and selects the
path with the minimum cost as the active
path
Feature
Enable state
Port priority
Port cost
Bridge Priority
Default Value
128
200,000-100Mbps Fast Ethernet ports
20,000-1000Mbps Gigabit Ethernet
ports
0 - Auto
Default Value
STP disabled for all ports
128
0
32,768
154
32768
2 seconds
20 seconds
15 seconds