Chapter 4: Troubleshooting
Table 4-1 LANVIEW LEDs
LED | Color | Description | Error Condition | |
Recommended Action | ||||
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CPU | Off | Power off. | Turn power on. | |
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| Red | Blinking. SDRAM or | Contact Cabletron Systems | |
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| LDRAM failure. | Technical Support. | |
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| Yellow | Blinking. No | Contact Cabletron Systems | |
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| communications with | Technical Support for | |
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| switch processor. | assistance. | |
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| Green | Blinking. Board OK. | No action. | |
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| Yellow | Blink 1/2 sec. green | Verify LED blinks green only | |
| and | and 1/2 sec. yellow. | after approx. 45 seconds. | |
| Green | Booting. Performing | Otherwise, press the RESET | |
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| BOOTP, TFTP, or | button. | |
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| loading from FLASH. |
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| Yellow | Testing. Board | Verify LED blinks green after | |
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| performing memory | approx. 180 seconds. | |
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| test. | Otherwise, press the RESET | |
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| button. | |
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Transmit | Off | Port enabled, no | Should flash green every 2 | |
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| activity. | seconds indicating BPDUs | |
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| being sent if Spanning Tree | |
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| Algorithm is active. | |
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| Green | Flashing. Indicates | No error. | |
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| activity or enabled port. |
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| Note that the flashing is |
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| easy viewing and does |
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| not accurately |
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| represent the rate of |
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| traffic. |
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| Yellow | Blinking. Port in | May be disabled due to | |
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| standby. | Spanning Tree Algorithm. | |
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| Red | Flashing to constantly | If on constantly indicates a | |
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| on. Indicates collision | problem. Contact Cabletron | |
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| rate. | Systems Technical Support for | |
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| assistance. | |
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| Red | Solid. Port disabled. | Contact Cabletron Systems | |
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| Technical Support for | |
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| assistance. | |
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