User's Manual

10 Maintaining the Access Point
252 Installation and User Guide: Airgo Access Point
Figure 186: Software Upgrade
The Software Upgrade panel offers two upgrade options. The Software Image Upgrade option uses
https to download the software image to the AP. The Software Download via TFTP option uses
TFTP to download the software image. Select only one of these options; it is not possible to use
both methods at the same time.
The software upgrade process for an NM Portal consists of the following three steps:
If you are upgrading a non-portal AP or using TFTP as the download method, then the staging,
selection, and distribution steps happen as a single process that cannot be interrupted once it begins.
If you use the Software Image Upgrade selection in NM Portal, then staging, selection, and
distribution are separate steps that can be monitored and canceled if needed.
Software Image File
The AP software image file conforms to a specific format that uses the filename extension.img.
During download, the filename extension and structure are verified and the download is stopped if
a problem with the file is detected.
Upgrading the AP Software
This section provides information for upgrading AP software using both the TFTP and https
software download options. It is important to perform software upgrades during a scheduled
maintenance window. Upgrading takes approximately four to five minutes per AP, and upgrading
multiple APs from an NM Portal is a serial process. To manage system resources during a software
Step Description
Staging The software image is downloaded to the Airgo AP.
Selection APs are selected for software upgrade.
Distribution The software upgrade image is distributed to the selected APs and installed.
The AP is then rebooted.