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Chapter 4: Web-Based Management
76 GE-DS-242-PoE Managed Ethernet Switch User Manual
The switch with the lowest Bridge ID (switch C) was elected the root bridge, and the
ports were selected to give a high port cost between switches B and C. The two
(optional) Gigabit ports (default port cost = 4) on switch A are connected to one
(optional) Gigabit port on both switch B and C. The redundant link between switch B
and C is deliberately chosen as a 100 Mbps Fast Ethernet link (default port cost = 19).
Gigabit ports could be used, but the port cost should be increased from the default to
ensure that the link between switch B and switch C is the blocked link.
RSTP System Configuration
This section provides RSTP-System Configuration from the Switch, the screen in
Figure 4-36 appears.
• The user can view spanning tree information of Root Bridge.
• The user can modify RSTP state. After modification, click the Apply button.
Figure 4-36: RSTP System Configuration interface