Rockwell Collins Inc. 8222210 Manuel D’Utilisation
D r a f t 1 A - C I S C O C O N F I D E N T I A L
6-4
Cisco Aironet 1240AG Series Access Point Hardware Installation Guide
OL-7293-01
Chapter 6 Troubleshooting
Checking Basic Settings
Checking Basic Settings
Mismatched basic settings are the most common causes of lost connectivity with wireless clients. If the
access point does not communicate with client devices, check the following areas.
access point does not communicate with client devices, check the following areas.
Default IP Address Behavior
When you connect a 1240 series access point running
Cisco IOS Release 12.3(4)JA or later
software with
a default configuration to your LAN, the access point requests an IP address from your DHCP server
and, if it does not receive an IP address, continues to send requests indefinitely.
and, if it does not receive an IP address, continues to send requests indefinitely.
Boot loader errors
Red
Red
Red
DRAM memory test failure.
Off
Red
Blinking red
and blue
and blue
Flash file system failure.
Off
Amber
Blinking red
and
blue-green
and
blue-green
Environment variable (ENVAR) failure.
Amber
Off
Blinking red
and yellow
and yellow
Bad MAC address.
Red
Off
Blinking red
and off
and off
Ethernet failure during image recovery.
Amber
Amber
Blinking red
and off
and off
Boot environment error.
Red
Amber
Blinking red
and off
and off
No Cisco IOS image file.
Amber
Amber
Blinking red
and off
and off
Boot failure.
Cisco IOS errors
Blinking
amber
amber
—
—
Transmit or receive Ethernet errors.
—
Blinking
amber
amber
—
Maximum retries or buffer full occurred on the radio.
Red
Red
Amber
Software failure; try disconnecting and reconnecting
unit power.
unit power.
—
—
Amber
General warning, insufficient inline power (see the
section).
Message type
Cable Bay Area
Top of Unit
Meaning
Ethernet LED
Radio LED
Status LED