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Configuring the Switch From the Console
Configurable Features
Configuring the Switch From
the Console
Spanning Tree Configuration
Use this screen to activate the IEEE 802.1d Spanning Tree Protocol (STP) on
the switch and to adjust spanning tree parameters, if necessary. In the factory
default, STP is off. If there are any redundant paths (loops) between nodes in
your network, you should set the Spanning Tree Enabled parameter to Yes.
This ensures that all redundant ports (those providing backup parallel con-
nections) are in a blocking state and not used to forward data.
The switch automatically senses port identity and type, and automatically
defines port cost and priority for each type. The interface allows you to adjust
the Cost and Priority for each port, as well as the global STP parameter values
for the switch.
To configure the STP parameters: In most cases, the default STP param-
eter settings are adequate. In cases where it is not, use this procedure to make
configuration changes.
Caution If you enable STP (step 4), it is recommended that you leave the remainder of
the STP parameter settings at their default values until you have had an
opportunity to evaluate STP performance in your network. Because incorrect
STP settings can adversely affect network performance, you should avoid
making changes without having a strong understanding of how STP operates.
To learn the details of STP operation, refer to appendix D, “Spanning Tree
Operation”, and examine the IEEE 802.1d standard.
1. From the Main Menu, select Configuration.
2. In the Configuration screen, select Spanning Tree .
3. Select Edit to highlight the Spanning Tree Enabled parameter.
4. Press the Space bar to select Yes . (This enables STP.)
YUMAMOD.BK : 4_ymcnfg.fm5 Page 17 Thursday, February 20, 1997 12:54 PM