Interlogix NS2503-24P/2C User Manual Instrukcja Użytkownika Pobierz pdf (Strona 105)

NS2503-24P/2C User Manual

105

The following are the user-configurable STP parameters for the port or port group level:

Variable Description Default Value

Port Priority

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.

128

Port Cost

A value used by STP to evaluate paths –

STP calculates path costs and selects the

path with the minimum cost as the active

path.

200,000-100Mbps Fast Ethernet ports

20,000-1000Mbps Gigabit Ethernet ports

0 - Auto

Default Spanning-Tree Configuration

Feature Default Value

Enable state STP disabled for all ports

Port priority 128

Port cost 0

Bridge Priority 32,768

The Hello Time cannot be longer than the Max. Age. Otherwise, a configuration error will

occur.

Observe the following formulas when setting the above parameters:

Max. Age _ 2 x (Forward Delay - 1 second)

Max. Age _ 2 x (Hello Time + 1 second)

STP System Configuration

This section provides STP-System Configuration from the Managed Switch, the screen in Figure 4-8-4 appears.

 The user can view spanning tree information of Root Bridge.

 The user can modify STP state. After modification, click

Apply

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