Cisco Systems 805 manual Problems After Router is Running

			Problems After Router is Running
Table 3-1	Problems During First Startup (continued)
Symptom	Problem		Solutions
	•	Improperly connected	• To make sure that you have cabled properly, refer to Figure 2-5
		cable.	in Chapter 2, “Installing the Cisco 805 Router.”
			• Make sure the connectors at both ends of the cable are securely
			seated.
	•	Improperly functioning	• Refer to the documentation that accompanies your modem or
		modem or channel	CSU/DSU.
		service unit/data
		service unit
		(CSU/DSU).

•Router improperly configured as a DTE or DCE.

•By default, the router is configured as a DTE. Check the setting of the clock rate command to determine if it is set properly. If a clock rate speed is not specified, the router is configured as a DTE. If a clock rate speed is specified, the router is configured as a DCE.

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	• A cable-related problem:
connection. (The LINK LED on	— Disconnected cable.
the back panel is off.)
	— Damaged cable.

Perform the following tasks in the following order:

1Make sure the connectors at both ends of the cable are secure.

2Make sure the cable is not physically damaged. If it is damaged, order another cable from Cisco or replace it with a similar cable.

Troubleshooting 3-3