Canoga-perkins 9171 Metro Ethernet Routing Switch Manual de usuario descargar pdf (Pagina 23)

Chapter 7

Maintenance and Troubleshooting

7.1

Loading Failure Processing:

After loading fails, the system will ke

ep running in the original version. At this time, users should re

check if

physical port connections are good firstly. If some ports are not connected, then re

connect them to ensure

that physical connections are correct, and begin re

loading. If physical

connections are correct, then check the

loading process information displayed on the super terminal to verify if there are input errors. If there are input

errors, correct them and re

load. For example, when using TFTP protocol, we enter incorrect IP addre

sses of

Server and Switch, name of loading software, do not specify the correct working path of correct TFTP server

and so on; if physical connections are good, and there are no input errors in the loading process but the

loading fails finally, please cont

act agents for help.

7.2

User Password Lost

If system password is lost or forgotten, the following method can be used to reset password:



Enter uBoot operation mode; see Chapter 5 for how to enter;



Input boot_flash_nopass command to start system in uBoot mode;

Note: After using boot_flash_nopass command, system will clear up the startup

config files; before

starting this operation, the startup

config files will be stored in flash: / startup

config.conf.old file.

7.3

Power System Troubleshooting:

Switch can judge

if its power system is faulty according to the PWR indicator on the front panel: when power

system works normally, the PWR indicator shall always keep lighting; when the PWR indicator is off, please

check if:



The power line of switch is connected correctl



EPS of switch matches the power required by switch



7.4

Configuration

System

Troubleshooting:

After the switch is powered on, if system is normal, the startup information will be displayed on the

configuration terminal; If the configuration system is fault

y, the configuration terminal may display no

information or hashes.



No information on the terminal: After power

on, if no display information on configuration terminal

appears, please check if:

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Canoga-perkins 9171 Metro Ethernet Routing Switch Manual de usuario Pagina 23

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