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Cisco Systems Cisco 831 Manuale Utente

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Chapter 3      Troubleshooting
Problems After Router Is Running
3-4
Cisco 831 Router and SOHO 91 Router Hardware Installation Guide
78-14784-02
Problems After Router Is Running
 lists problems that could occur after the router has been up and running.
Table 3-2
Problems After Router Is Running
Symptom
Problem
Solutions
Problems with Ethernet 
connection. (COMPUTER 
LEDs 1 through 4 are off.)
A cable-related 
problem:
•
Disconnected 
cable.
•
Damaged cable.
Perform the following tasks in order:
1.
Make sure that the connectors at both 
ends of the cable are secure.
2.
Make sure that the cable is not 
physically damaged. If it is damaged, 
order another cable from 
Cisco Systems, or replace it with a 
similar cable.
Connection to the broadband 
or Ethernet line is intermittent 
or lost. (The INTERNET 1 
LED on the front panel is off.)
A cable-related 
problem:
•
Disconnected 
cable.
•
Damaged cable.
Perform the following tasks in order:
1.
Make sure that the connectors at both 
ends of the cable are secure.
2.
Make sure that the cable is not 
physically damaged. If it is damaged, 
order another cable from 
Cisco Systems, or replace it with a 
similar cable.
Connection to the broadband 
or Ethernet line is intermittent 
or lost. (The INTERNET 1 
LED on the front panel is off.)
Problem with 
broadband line or WAN 
service.
Contact your broadband line or WAN 
service provider to determine whether there 
is a problem.