Cisco Cisco Aironet 1200 Access Point Notas de publicación
6
Upgrading to a New Firmware Release
OL-3641-01
Limitations and Restrictions
Upgrading to a New Firmware Release
Determining the Firmware Version
The firmware version number is in the upper-left corner of most management screens in the web-browser
interface and at the top of the home (Summary Status) page in the command-line interface.
interface and at the top of the home (Summary Status) page in the command-line interface.
Upgrade Procedure
For instructions on installing access point firmware:
1.
Follow this link to the Cisco Aironet documentation home page:
2.
Follow this path to the product, document, and chapter:
Aironet 1200 Series Wireless LAN Products > Cisco Aironet 1200 Series Access Points >
Cisco Aironet 1200 Series Access Point Software Configuration Guide > Managing Firmware
and Configurations > Updating Firmware
Aironet 1200 Series Wireless LAN Products > Cisco Aironet 1200 Series Access Points >
Cisco Aironet 1200 Series Access Point Software Configuration Guide > Managing Firmware
and Configurations > Updating Firmware
3.
Follow this link to the Software Center on Cisco.com and select the Cisco Aironet 1200 Series link
to download firmware version 12.01T:
to download firmware version 12.01T:
Note
To upgrade firmware from a file server, you must enter settings on the access point’s FTP Server
Setup page. Refer to the
Setup page. Refer to the
“Updating from a File Server” section on page 10-5
in the Cisco Aironet
1200 Series Access Point Software Configuration Guide for more information.
Limitations and Restrictions
This section describes limitations and restrictions for 1200 series access points.
Removing Power During Firmware Update Can Corrupt Radio Firmware
When you update the firmware on an access point, allow the unit to finish its start-up sequence before
removing power. If you update the firmware and remove power before the unit finishes the start-up
sequence, the radio firmware might be corrupted, making the unit inoperable. If the radio firmware is
corrupted, the radio indicator (the bottom of the three indicators on top of the access point) is red
continuously, and the following error message appears when the access point starts up:
removing power. If you update the firmware and remove power before the unit finishes the start-up
sequence, the radio firmware might be corrupted, making the unit inoperable. If the radio firmware is
corrupted, the radio indicator (the bottom of the three indicators on top of the access point) is red
continuously, and the following error message appears when the access point starts up:
Failed to start driver for port “awc0” (errno=0x006d0002)
The access point should recover from this error automatically.
You can safely remove power after a firmware update when the configuration management pages
reappear in the command-line or web-browser interfaces, or when the three status indicators on top of
the unit complete the following pattern:
reappear in the command-line or web-browser interfaces, or when the three status indicators on top of
the unit complete the following pattern:
1.
All three indicators are continuously green, meaning that the access point is beginning to update the
firmware.
firmware.