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Chapter 3 Troubleshooting
Problems During Initial Startup
3-2
Cisco 806 Router and SOHO 71 Router Hardware Installation Guide
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Problems During Initial Startup
Table 3-1 lists problems that a user might encounter when the router is initially
booted.
Table 3-1 Problems During Initial Startup
Symptom Problem Solutions
All LEDs,
including OK
LED, are off.
No power to router. Perform the following tasks in order:
1. Make sure that the power switch is set to ON.
2. Make sure that all connections to and from the power
supply are secure.
3. Make sure that the power outlet has power.
4. If the problem continues, the power supply could be
faulty. Contact your Cisco reseller.
No connection to
modem or
Ethernet switch.
(Internet LED is
off.)
A cable-related
problem:
• Improperly
connected cable.
• Damaged cable.
Perform the following tasks in order:
1. To make sure that you have cabled the device
correctly, see Figure 2-3 or Figure 2-4 in Chapter 2,
“Installation.”
2. Make sure that the connectors at both ends of the
cable are securely seated.
3. Make sure the cable is not physically damaged. If it
is, order another cable from Cisco, or replace it with
a similar cable.
No connection to
Ethernet devices.
(COMPUTER
LEDs 1 through 4
are off.)
A cable-related
problem:
• Improperly
connected cable.
• Damaged cable.
Perform the following tasks in order:
1. To make sure that you have cabled the device
correctly, see Figure 2-1 or Figure 2-2 in Chapter 2,
“Installation.”
2. Make sure that the connectors at both ends of the
cable are securely seated.
3. Make sure the cable is not physically damaged. If it
is, order another cable from Cisco Systems, or
replace it with a similar cable