Table Of Contents
Upgrading the CiscoWorks Wireless LAN Solution Engine, 2.15
April 26, 2007
This document provides general information about upgrading WLSE system software to Release 2.15 and provides a pointer to the software images and accompanying Readme files on Cisco.com. The Readme files provide detailed upgrade procedures.
This document contains the following sections:
Other Relevant Documentation
Use this document along with the following documents:
•The Readme files located along with the software images in the download area on Cisco.com.
•The instructions for backing up and restoring the WLSE database in the online help and the User Guide for the CiscoWorks Wireless LAN Solution Engine, Release 2.15.
Please review the following notes and cautions before upgrading.
•WLSE images are subject to import/export regulations respecting strong encryption. Before you are allowed to download the image, you might need to establish a Cisco.com profile or edit your Cisco.com profile to confirm that you are allowed to download such images. You will also need to respond to the Encryption Software Export Distribution Authorization query.
•You can upgrade WLSE versions 2.12, 2.13, and 2.13.1 to version 2.15.
•You cannot upgrade a WLSE 1105 (an old appliance box running WLSE 2.11 or lower versions) to WLSE 2.15. If you attempt to do so, the installation will fail. Messages in the install.log file will include the following:Error: Hardware type 1105 not supported for this upgrade.Error: Aborting upgrade installation.Daemon Manager could not start. The port is in use.
For information on the install.log file, see Viewing the Log Files.
•Non-IOS access points are not supported by WLSE 2.15. It is recommended that you convert all non-IOS access points to IOS before proceeding with the upgrade. You can upgrade from WLSE version 2.12 to 2.15 directly. For instructions on converting access points, see the following document on Cisco.com:
•Always review the Readme.txt file that accompanies the upgrade image on Cisco.com before attempting to install the upgrade.
•You can restore data of WLSE versions 2.12, 2.13, 2.13.1, and 2.15 to version 2.15.
•You can downgrade to an earlier software version by using the recovery CD method. The database is not preserved when you use the recovery CD, so make sure you have a backup from the earlier version before downgrading. For example, if you downgrade from 2.15 to 2.13.1, you need to restore a 2.13.1 backup.
•Upgrading a redundant WLSE cluster requires special procedures. See Upgrading a Redundant Cluster.
Upgrading to Release 2.15
This section gives an overview of the upgrade procedure. For details, see the relevant Readme file.
1. Navigate to the software download area on Cisco.com:
Here you will find the Readme files and software images.
2. Read the following image Readme: WLSE-2.15-K9.readme-V1.txt
3. (Strongly recommended) Back up the WLSE database. The upgrade attempts to preserve the WLSE database, but a new backup is needed in case of errors during the upgrade. For information on backing up and restoring the WLSE database, see the online help or the User Guide for the CiscoWorks Wireless LAN Solution Engine, Release 2.15.
4. Download the WLSE 2.15 upgrade image into a repository.
5. Install the upgrade image on the WLSE.
6. If necessary, restore the backup from Step 3.
7. Run a manual inventory on all managed devices. This ensures that radio management functionality will work correctly. For information on running inventories, see the online help or the User Guide for the CiscoWorks Wireless LAN Solution Engine, Release 2.15.
Upgrading a Redundant Cluster
There are two ways to upgrade software on redundant WLSEs:
Using Manual WLSE Upgrade Procedures
Use the normal WLSE upgrade procedures in the Readme files. This requires that you:
1. Disable redundancy.
2. Upgrade both nodes.
3. Re-enable redundancy.
With this method, the virtual IP addresses are not bound, causing a temporary outage. Also, this might cause issues with connectivity to the remote network.
For information on disabling and re-enabling redundancy, see the online help or the User Guide for the CiscoWorks Wireless LAN Solution Engine, Release 2.15 on Cisco.com.
Using Cisco Works Resource Manager Essentials (RME) and the Redundancy CLI Command to Upgrade WLSE
You can use Software Image Management (SWIM) with CiscoWorks Resource Manager Essentials (RME) to download the WLSE upgrade image and upgrade the WLSE. You can also upgrade the WLSE by downloading the upgrade image from a remote repository and using the redundancy upgrade CLI command.
These method are preferable because:
•You do not have to disable redundancy.
•The virtual IP addresses (VIPs) remain bound to the WLSE systems.
•Connectivity issues with remote networks are avoided.
During the upgrade process, synchronization between the two servers is briefly halted and restarted; and the WLSE node that was standby before the upgrade becomes the new active node.
Note The minimum version required to use this procedure is RME 4.0.2 and Common Services (CS) 3.0 with Service Pack 2.
Using RME to Upgrade WLSE
To upgrade WLSE using RME:
1. Use SWIM to download the WLSE 2.15u tar file to the REM software repository on the active. For details on downloading the image via SWIM, see the CiscoWorks RME documentation on Cisco.com at the following URL: http://www.cisco.com/en/US/products/sw/cscowork/ps2073/tsd_products_support_series_home.html, or the CiscoWorks server's online help.
2. Create a distribution job.
3. Check the job log after the job has finished.
Note If upgrading with RME, you do not need to log in to WLSE. The redundancy upgrade command is issued by RME. All you need is to do is check the RME job status for the upgrade results.
Using the Redundancy CLI Command to Upgrade WLSE
You can use the redundancy CLI command to upgrade WLSE:
1. Download the upgrade image from a remote repository to WLSE's local repository on the active server.
2. Log in to the WLSE CLI as the user admin.
3. Run the redundancy upgrade WLSE-2.15u CLI command on the active node. During upgrade, the redundancy status of the node is shown as Active Upgrade or Standby Upgrade.
4. The upgrade proceeds automatically as follows:
a. The standby node is upgraded first.
b. The standby node reboots and becomes active, while the original active node is upgraded.
c. The original active node becomes the standby node.
Software and Hardware that Can Be Upgraded
You can upgrade a WLSE to version 2.15 as follows:
•From 2.13.1 to 2.15
•From 2.13 to 2.15
•From 2.12 to 2.15
Note The incremental upgrade from versions 2.12 and 2.13 to version 2.15 is handled internally by the upgrade script.
Note You can upgrade WLSE 1030 with WLSE 2.12, WLSE 1130 (s19) and WLSE 1133 (s27) with WLSE 2.12, 2.13, or 2.13.1 to WLSE 2.15.
Backing Up the WLSE Before Upgrade
Before upgrading WLSE software, back up the database. The upgrade attempts to preserve the WLSE database, but a backup is recommended in case of errors during the upgrade. For information on backing up the WLSE database, see the online help or the User Guide for the CiscoWorks Wireless LAN Solution Engine, Release 2.15.
Caution Backup is essential if you are upgrading via the recovery CD. Data is not preserved during this method of upgrade. After upgrading, you must restore the WLSE's database.
Viewing the Log Files
To view the following logs, and other WLSE system logs, select Administration > Appliance > Status > View Log File.
•The install.log file contains information about files installed during software installation, as well as any errors that occurred.
•The updateWLSE-2.15.log file contains information logged during the upgrade process.
•The backup.log file contains the information logged during backup/restore process.
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