Cisco CISCO881G-V-K9 Hardware Installation Guide - Page 49
Problems After Router Is Running
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Chapter 3 Troubleshooting Problems After Router Is Running Table 3-2 Problems After First Startup (continued) Symptom Problem • Problem with ISDN line. Solutions • Contact your telephone service provider to determine if there is a problem with your line. • If the problem continues, call your Cisco reseller. Problems After Router Is Running Table 3-3 lists problems that could occur after the router has been up and running for a while. Table 3-3 Problems After Router Is Running Symptom Problem Solutions 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.) • One of the following cable-related problems: - Disconnected cable. - Damaged cable. 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. • Improperly functioning NIC on server, PC, or workstation. • 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. 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.) • A cable-related problem: - Disconnected cable. - Damaged cable. • 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. • Improperly functioning NIC on server, PC, or workstation. • Run the NIC diagnostic supplied by the vendor to determine if it is functioning properly. If it is not, replace it. 78-5373-04 Cisco 800 Series Routers Hardware Installation Guide 3-5