Alcatel Carrier Internetworking Solutions Switch/Router 用户手册

Page 35-5

The following self-questions can be used to get a better idea on the nature of the problem:

• Has this functionality ever worked?

• What changes have occurred in the network? Was software upgraded? Were device(s) 

added?

• Are all users affected or are the problems related to a single port, module, or switch?

• Are statistics (as reported by 

UI

 commands such 

, 

, 

, and 

) incrementing on the 

affected port(s)?

• Are all protocols (routed or switched) failing?

• Can the affected device be successfully pinged via 

IP

/

IPX

?

• Can a trace be captured on the affected segment(s)?

• Is an external analyzer, such as a Sniffer or Alcatel’s Port Mirroring/Port Monitoring, avail-

able?

This chapter provides documentation on some common problems and potential solutions for 
problems with your switch in the sections that follow.

If you encounter problems during software installation, most likely you will see error 
messages that indicate the problem. 

If you cannot install the software, you can use the Boot Line prompt to download files via 

ZMODEM

 or a computer attached to a 

SLIP

 line. You can also temporarily set boot parameters 

and load from Boot Line in an attempt to load under different settings (refer to Appendix A, 
“The Boot Line Prompt”). For more information about loading software via 

ZMODEM

, refer to 

Chapter 5, “Installing Switch Software.”