D-Link DGS-3308FG - Switch User Manual - Internet Protocols
8-port Gigabit Ethernet Switch User’s Guide
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Figure 5-7. Before Applying the STA Rules
In this example, only the default STP values are used.
Figure 5-8. After Applying the STA Rules
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.
Internet Protocols
This is a brief introduction to TCP/IP, or the collection of Internet protocols that are commonly called TCP/IP. It is
intended to give the reader some understanding of the terminology and the resources available. It is not intended to be a
complete description.