Analyzing Switch Interface Status
This section begins the third of five major sections in this chapter by looking at switch interfaces. That process begins with finding out whether each switch interface works. Unsurprisingly, Cisco switches do not use interfaces at all unless the interface is first considered to be in a functional or working state. Additionally, the switch interface might be in a working state, but intermittent problems might still be occurring.
This section begins by looking at the Cisco switch interface status codes and what they mean so that you can know whether an interface is working. The rest of this section then looks at those more unusual cases in which the interface is working, but not working well.
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