Chapter 3 Wireless Local Area Network
WLAN Features
Table | WLAN LED Descriptions |
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WLAN LED |
| Color | Description |
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Boot loader |
| Blinking Green | Board initialization in progress. |
status sequence |
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| Initializing FLASH file system. | |
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| Initializing Ethernet. |
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| Ethernet is OK. |
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| Starting Cisco IOS. |
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| Initialization successful. |
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Association |
| Green | Normal operating condition with no wireless client |
status |
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| associated. |
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| Blue | Normal operating condition with at least one wireless |
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| client associated. |
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Operating status | Blinking Blue | Software upgrade in progress. | |
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| Rapidly cycling through | Access point location command invoked. |
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| Blue, Green, Red, and |
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| White |
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| Blinking Red | Ethernet link not operational. |
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Boot loader |
| Blinking Red and Blue | FLASH file system failure. |
errors |
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| Blinking Red and Off | Environment variable failure. | |
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| Bad MAC address. |
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| Ethernet failure during image recovery. |
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| Boot environment failure. |
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| No Cisco image file. |
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| Boot failure. |
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Cisco IOS errors | Red | Software failure. Try to disconnect and reconnect the unit | |
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| power. |
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Cisco 819 Series Integrated Services Routers Software Configuration Guide
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