Chapter 3 Troubleshooting
Problem Solving
Table | OK LED Blinking Patterns | |
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Number of Blinks | Meaning | |
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2 |
| The 860P |
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| failed. |
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3 |
| The parameter RAM area of the 860P DPRAM has failed. |
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4 |
| The 860P system protection control register has a write |
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| failure. |
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5 |
| The router cannot detect the dynamic |
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| memory (DRAM). |
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6 |
| The user programmable machine has a write failure. |
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9 |
| The router DRAM has failed. |
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Troubleshooting WICs and Cables
Use the show diag command to help determine problems with a card. Table
Table | Troubleshooting WICs | ||||
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Symptom |
| Possible Cause(s) | |||
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Router does not recognize | • Confirm that the Cisco IOS software version installed in the router | ||||
WIC. |
| supports the WIC. The Cisco Interface Cards Hardware | |||
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| Installation Guide lists the software requirements for each card. | |
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| • Use the show diag command to display information about the card | |
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| as shown in Example, page | |
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Router recognizes the | • Make sure that the WIC is correctly installed in the router. | ||||
WIC(s), but the card port(s) | • Check the external cable connections to make sure they are secure. | ||||
do not initialize. |
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Router does not boot | Make sure that the WIC is correctly installed in the router. | ||||
properly, or router |
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continuously or |
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intermittently reboots. |
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| Cisco 815 Integrated Services Router Hardware Installation Guide | |||
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