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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.