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Chapter 7.
Troubleshooting
This chapter describes how to diagnose and solve problems associated with the
installation and operation of the 6416SW and ATM media modules. Troubleshooting
operations are described according to the phase in which they are necessary.
Phase 1 Problems that occur during installation, after turning ON the hub, and after
resetting the ATM subsystem. This phase ends when the 6416SW
ACTIVE LED lights ON (yellow).
Phase 2 Problems that occur from when the ACTIVE LED lights ON (yellow) to
when all the configuration tasks described in Chapter 5, “Configuring the
ATM Switch/Control Module” on page 5-1 are complete. No ATM devices
are connected to the ports. This phase ends when the status of all ATM
media ports is NO ACTIVITY.
Phase 3 Problems that occur from when the ATM subsystem is successfully
configured and the 6416SW console is attached to when all ATM devices
are connected to ATM media ports in the hub. There is still no ATM traffic
in the network. This phase ends when the status of all ATM media ports
is OKAY and ATM traffic begins.
Phase 4 Problems that occur after all ATM devices are successfully attached to
ATM media ports and ATM traffic is started in the network. The problems
in this phase concern interruptions to the normal operation of the network.
7-1