Smart Switch Software User Manual GS748T
4-12 Configuring the Switch
v1.0, October 2007
resultant path between nodes determined by RSTP is the same as that eventually determined by
STP. Use the Bridge Settings table to manage attributes related to the Spanning Tree Protocol.
• Bridge Priority. The priority value of this switch. After exchanging BPDUs with other STP-
enabled devices, the device with the lowest priority value becomes the root bridge.
• Bridge Max Age. The maximum age of the current bridge. This is the maximum age of the
Spanning Tree Protocol information learned from the network before it is discarded (in
seconds).
• Bridge Hello Time. Indicates the amount of time (in seconds) that the switch waits before
sending configuration PDUs when it is the root of the spanning tree or trying to become the
root.
• Bridge Forward Delay. Indicates the amount of time, measured in seconds, that the port stays
in each of the listening and learning states that precedes the forward state. This value is also
used to age all dynamic entries in the forwarding databases when a topology change has been
detected and is underway.
The IEE 802.1W RSTP Setting page of the GS748T switch contains a set of default values which
are optimal for most applications. Adjust these values if you must provide for special conditions.
To set up RSTP:
1. Select Switching > STP > Advanced > RSTP Configuration from the main menu. The RSTP
Configuration screen will display.
2. Select the Enable radio box for RSTP Configuration and click Apply.
3. Then select the Advanced link to display the Bridge Settings. You can accept the default
settings or modify the default settings and click Apply.
Figure 4-15
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