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Cisco 837 Router and SOHO 97 Router Hardware Installation Guide
78-14781-02
Chapter 3 Troubleshooting
Problems After Router Is Running
Problems After Router Is Running
Table 3-2 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. (ETHERNET
LED 1, 2, 3, or 4 is off.)
A cable-related
problem:
• Disconnected
cable.
• Damaged cable.
Perform the following steps:
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 ADSL line
is intermittent or lost. (The CD
LED on the front panel is off.)
A cable-related
problem:
• Disconnected
cable.
• Damaged cable.
• Make sure that the connectors are
secure at both ends of the cable.
• 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 ADSL line
or WAN port is loose. (The CD
LED and the ETHERNET
LED 1, 2, 3, or 4 on the front
panel are off).
Problem with ADSL
line or WAN service.
Contact your ADSL line or WAN service
provider to determine whether there is a
problem with the ADSL or WAN service.