Chapter 3
Troubleshooting
Table 3-2
Problems After First Startup (continued)
Symptom
Problems After Router Is Running
Table 3-3
Table 3-3
Problems After Router Is Running
Symptom
Problems with Ethernet link.
(On Cisco 801, Cisco 802,
and Cisco 802 IDSL routers,
the LINK LED on the back
panel blinks. On Cisco 803
and 804 routers, the LKØ,
LK1, LK2, or LK3 LED on the
front panel blinks. On the
Cisco 804 IDSL router, the
ETHERNET 1, 2, 3, or 4 LED
on the front panel blinks.)
Connection to an Ethernet
device is intermittent or lost.
(On Cisco 801, 802, and 802
IDSL routers, the LINK LED
on the back panel is off. On
Cisco 803 and 804 routers, the
LKØ, LK1, LK2, or LK3 LED
on the front panel is off. On the
Cisco 804 IDSL router, the
ETHERNET 1, 2, 3, or 4 LED
on the front panel is off.)
78-5373-04
Problem
Problem with ISDN
•
line.
lists problems that could occur after the router has been up and running for a while.
Problem
One of the
•
following
cable-related
problems:
Disconnected
–
cable.
Damaged
–
cable.
Improperly
•
functioning NIC on
server, PC, or
workstation.
A cable-related
•
problem:
Disconnected
–
cable.
Damaged
–
cable.
Improperly
•
functioning NIC on
server, PC, or
workstation.
Solutions
Contact your telephone service provider to
•
determine if there is a problem with your
line.
If the problem continues, call your Cisco
•
reseller.
Solutions
Perform the following tasks in the following
order:
Make sure the connectors at both ends
•
of the cable are securely connected.
Make sure the cable is not physically
•
damaged. If it is, replace it.
Run the NIC diagnostic supplied by the
•
vendor to make sure it is functioning
properly. If it is not, replace it.
If the problem continues, call your
•
Cisco reseller.
Make sure the connectors at both ends
•
of the cable are securely connected.
Make sure the cable is not physically
•
damaged. If it is damaged, replace it.
Run the NIC diagnostic supplied by the
•
vendor to determine if it is functioning
properly. If it is not, replace it.
Cisco 800 Series Routers Hardware Installation Guide
Problems After Router Is Running
3-5