Cisco WS-C2960G-8TC-L Configuration page 5

TABLE 12-3
LED Color
Status Mode and
Green
Port LEDs
Flashing green
Flashing green and amber
Amber
Off
If you press the MODE button again, the MODE LED will change back to
STAT. As you can see, the use of the MODE button allows you to cycle through
the different mode settings. If the MODE LED is either DUPLX or SPEED, it will
automatically change back to STAT after 1 minute.
If you don't have
connectivity through the switch and the
switch port LEDs are all off, make sure
the switch is powered on. Reseat the cable
CERTIFICATION OBJECTIVE 12.02
Switch Startup
Now that you have a basic understanding of the chassis of the 2960, you are ready to
learn about the bootup process of the switch: this includes the running of hardware
tests, loading the IOS, and finding and applying a configuration file. The following
sections discuss these processes.
LED Meaning
A powered-up physical layer connection to the device is
attached to the port.
Traffic is entering and/or leaving the port.
An operational problem is occurring with the port—perhaps
excessive errors or a connection problem.
The port has been disabled manually (shut down), disabled
because it is in a blocking STP state, or disabled because of
a security issue.
No powered-up physical layer connection exists on the port.
connectors in their ports.Also check the
cables to make sure they are the correct
type: straight versus cross-through.
361
Switch Startup