Alcatel Carrier Internetworking Solutions Switch/Router Manuale Utente

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Troubleshooting
This chapter provides information that will help you troubleshoot Omni Switch/Router hard-
ware and software problems. The sections within this chapter describe problems or errors you 
may encounter during switch hardware and software installation, configuration, or operation. 
Subsections within these categories reflect unique problems and provide the recommended 
corrective action(s).
UI
 Important Note 
In Release 4.4 and later, the Omni Switch/Router is 
factory-configured to boot up in 
CLI
 (Command Line 
Interface) mode, rather than in 
UI
 (User Interface) 
mode. See Chapter 4, “The User Interface,” for docu-
mentation on changing from 
CLI 
mode to 
UI
 mode.
Detecting Problems
The Omni Switch/Router provides several mechanisms to detect problems. Hardware prob-
lems can be detected through:
LEDs
 (
OK1
)
PING
 tests using the 
ping
 command
• Network Management Software (
NMS
) error reporting
• Diagnostics software
• Command Line Interface (
CLI
) commands
UI
 error messages