Stp System Configuration - Interlogix NS4702-24P-4S-4X User Manual

24-port 10/100/1000mbps 802.3at poe + 4-port 10g sfp+ managed switch
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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 = 20,000) 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 = 200,000). 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.

4.7.2 STP System Configuration

This Page allows you to configure STP system settings. The settings are used by all STP Bridge instances in the Switch or Switch
Stack. The Managed Switch support the following Spanning Tree protocols:
‧ Compatiable -- Spanning Tree Protocol (STP):Provides a single path between end stations, avoiding and eliminating
loops.
‧ Normal -- Rapid Spanning Tree Protocol (RSTP) : Detects and uses of network topologies that provide faster
spanning tree convergence, without creating forwarding loops.
Figure 4-7-3: After Applying the STA Rules
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