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Configure filtering and forwarding table – D-Link DES-3225G User Manual

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24-port NWay Ethernet Switch User’s Guide

Using the Console Interface

47

STP Port Control

To change the parameters on individual ports:

1.

Choose Configure Spanning Tree Protocol from the Configuration menu.

2.

Choose STP Port Control from the Configure Spanning Tree Protocol menu. The following screen

appears:

Figure 6-19. Spanning Tree Protocol Custom Settings screen

Items in the above window are described as follows:

STP State

Enables or disables the Spanning Tree Protocol on a particular port.

Cost

This is a read-only object. Both 10Mbps and 100Mbps segments have an assigned Path Cost of 19, based

on the STA specifications.

Priority

Port Priority is a read-write object that can be set from 0 to 255. This is the priority number of the

port. The lower the port priority, the more chance the bridge has of becoming the root port. Zero is the highest

priority.

Configure Filtering and Forwarding Table

When a packet hits the Switch, it looks in the filtering and forwarding table to decide what to do with the packet; either to

filter it off the network, or to forward it through the port on which its destination lies.

Dynamic Filtering and Static Filtering are among the two important features of the Custom Filtering Table. They are

defined here briefly as follows. Dynamic Filtering is defined when a dynamic entry is created by the Learning Process as

a result of observation of network traffic in the Filtering Database. Static Filtering is defined as static entries that may

be added and removed from the Filtering Database by the user. They are not automatically removed by any timeout

mechanism.