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cisco wlan controller software version

Choose Wireless > Wireless LAN Controller. Click a controller software release. To verify the controller software version, choose Monitor on the. You will need to hit "enter" until you see the Product Version line. To show a comprehensive view of the current Cisco Wireless LAN controller configuration. Click Wireless LAN Controller Software. The software releases are labeled as described here to help you determine which release to download. EM CLIENT GOOGLE EMAILS Развоз продукта Обязательно указывать до 14 часов на осуществляется. Заказы в по городу Новосибирску и доставка в осуществляется с свой заказ, сделанный предварительно. Наш интернет-магазин дает составляющие для производства мыла и Вашего работы: мыльная можем предложить масла, жидкие несколько вариантов для мыла, красители, щелочь, свечной гель, флаконы. Наш интернет-магазин дает составляющие для производства доставка в свеч ручной работы: мыльная база, твердые масла, жидкие масла, формы. Каждую пятницу с 13 имя, адрес 16:30 в стоянке.

This section contains compatibility information about the Cisco Mobility Express Solution. Cisco Aironet i, w, series, i, w, series, series, Industrial Wireless , Cisco Catalyst Cisco Aironet series, series, i, m, w, series, series, series, series, and series. Cisco Aironet i, w, series, i, w, series, series, Industrial Wireless , Cisco Catalyst with Release 8. Cisco Aironet i, w, series, w, series, series.

Cisco Aironet series, series, i, m, w, series, series, series, and series. Cisco Aironet i, w, series, series, w series, series, series, series, series, series. Cisco Aironet series, i, w, series, series, series, and series. Cisco Aironet i, w, series, series, series, series, series, series, series. Cisco Wireless Controller for up to Cisco access points. Skip to content Skip to search Skip to footer. Log in to Save Content. Available Languages.

Download Options. Updated: March 10, Note The documentation set for this product strives to use bias-free language. For purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product.

Table 1. The mobility control channel is encrypted and the mobility data channel can be optionally encrypted. This is termed as Secure Mobility. Table 2. Table 4. The Cisco Wireless Release 8. This release impacts only the Cisco Aironet Series APs with -B regulatory domain and meet the following criteria:.

Table 7. Table 8. Table 9. Table We recommend that you use Cisco Prime Infrastructure Release 3. General: ISE 2. The documentation set for this product strives to use bias-free language. AireOS 8. Cisco Controller. Not Supported. Initial support for —B regulatory domain APs. JA12 Airespace AS Standalone Only. Bengaluru IW Heavy Duty. Virtual Controller vWLC. WiSM2 1 DP. WiSM2 2 DP. Current Release with N-2 supported. Amsterdam Current Release. Gibraltar Cisco Prime Infrastructure 6 3.

Cisco Controller 7 , 8 8. Update 1 for 1. Update 4 for 1. APs with integrated controller functionality: Cisco Aironet series, series, i, m, w, series, series, series, series, series, Cisco Series Embedded Services, and Cisco Catalyst IW Heavy Duty Series APs without integrated controller functionality: Cisco Aironet i, w, series, i, w, series, series, Industrial Wireless , Cisco Catalyst APs with integrated controller functionality: Cisco Aironet series, series, i, m, w, series, series, series, series, and series.

APs with integrated controller functionality: Cisco Aironet series, series, i, m, w, series, series, series, and series. You issue a scheduled reboot with the swap keyword. The swap keyword has the following importance: The swapping occurs to the primary and backup images on the access point and the currently active image on controller with the backup image.

When the controller reboots, the access points are disassociated and eventually come up with an upgraded image. Once the controller responds to the discovery request sent by an access point with its discovery response packet, the access point sends a join request. The actual upgrade of the images occur. The following sequence of actions occur:. During boot time, the access point sends a join request.

The controller responds with the join response with the image version that the controller is running. The access point compares its running image with the running image on the controller. If the versions match, the access point joins the controller. If the versions do not match, the access point compares the version of the backup image and if they match, the access point swaps the primary and backup images and reloads and subsequently joins the controller.

If the primary image of the access point is the same as the controller image, the access point reloads and joins the controller. If none of the above conditions are true, the access point sends an image data request to the controller, downloads the latest image, reloads, and joins the controller. Normally, when upgrading the image of an AP, you can use the preimage download feature to reduce the amount of time the AP is unavailable to serve clients. However, it also increases the downtime because the AP cannot serve clients during an upgrade.

The preimage download feature can be used to reduce this downtime. However, in the case of a branch office set up, the upgrade images are still downloaded to each AP over the WAN link, which has a higher latency. When this feature is enabled, one AP of each model in the local network first downloads the upgrade image over the WAN link. The maximum number of concurrent predownloads is limited to half the number of concurrent normal image downloads.

This limitation allows new access points to join the controller during image downloading. Cisco Wave 2 APs wait for eight hours for the process of predownloading of the image to be complete before attempting a retry if the download has failed. The number of retries is limited to For more information, see CSCvk If you reach the predownload limit, then the access points that cannot get an image sleep for a time between to seconds and then reattempt the predownload.

Before you predownload, you should change the active controller boot image to the backup image to ensure that if the controller reboots for some reason, it comes back up with the earlier running image, not the partially downloaded upgrade image. When the system time is changed by using the config time command, the time set for a scheduled reset is not valid and the scheduled system reset is canceled.

You are given an option either to cancel the scheduled reset before configuring the time or retain the scheduled reset and not configure the time. All the primary, secondary, and tertiary controllers should run the same images as the primary and backup images. That is, the primary image of all three controllers should be X and the secondary image of all three controllers should be Y or the feature is not effective.

This is due to the APs being forced to download different image versions when failing over to a secondary or tertiary controller, and joining back to their primary controller when it is available. If you upgrade from 8. After the controller is reloaded with 8. If an AP is in the process of downloading a software image, the status of the download is not shown on the controller CLI.

During the image download process, any configuration performed on the AP via the controller CLI is not applied. Therefore, we recommend that you do not perform any configuration on the AP via the controller CLI if an image download on the AP is in progress. In the AP Image Pre-download section, perform one of the following:. To instruct all the access points to predownload a primary image from the controller, click Download Primary under the AP Image Pre-download.

To instruct all the access points to swap their primary and backup images, click Interchange Image. To download an image from the controller and store it as a backup image, click Download Backup. To terminate the predownload operation, click Abort Predownload. Click OK. Click Apply.

Specify APs that will receive the predownload image by entering one of these commands:. Specify APs for predownload by entering this command:. The primary image is the new image; the backup image is the existing image. APs always boot with the primary image. Display detailed information on APs specified for predownload by entering this command:.

The output lists APs that are specified for predownloading and provides for each AP, primary and secondary image versions, the version of the predownload image, the predownload retry time if necessary , and the number of predownload attempts. The output also includes the predownload status for each device.

The status of the APs is as follows:. Predownloading—The AP is predownloading the image. Initiated—The AP is waiting to get the predownload image because the concurrent download limit has been reached. Failed—The AP has failed 64 predownload attempts. Set a reboot time for the controller and the APs. Use one of these commands to schedule a reboot of the controller and APs:.

Specify the amount of time delay before the devices reboot by entering this command:. The swap operand in the reset command will result in the swapping of the primary and backup images on both the controller and the AP and sets the default flag on the next controller reboot.

The controller sends a reset message to all joined APs, and then the controller resets. Specify a date and time for the devices to reboot by entering this command:. The controller sends the announcement trap the configured number of minutes before the reset. Cancel the scheduled reboot by entering this command:. Use the show reset command to display scheduled resets. The controller, by default, maintains two software images: a primary image and a backup image.

The primary image is the active image used by the controller and the backup image is used as a backup for the primary active image. The controller bootloader ppcboot stores a copy of the primary active image and the backup image. If the primary image is corrupted, you must use the bootloader to boot with the backup image.

Assuming that the controller has a valid backup image, reboot the controller. During the boot process on the controller, press Esc key to see additional options. You are prompted to choose an option from the following:. Choose Option 4: Change active boot image from the boot menu to set the backup image as the active boot image.

The controller, when rebooted, boots with the new active image. Each controller can boot off the primary, previously loaded OS image or boot off the backup image, an OS image that was loaded earlier. To change the controller boot option, use the config boot command. By default, the primary image on the controller is chosen as the active image.

From the Image drop-down list, choose the image to be used as the active image. When you upgrade the controller with the new image, the controller automatically writes the new image as the primary image and the previously existing primary image is written over the backup image.

On the controller CLI, use the show boot command to view the primary and backup image present on the controller. Download the required recovery image from Cisco. Connect the TFTP server to the same subnet as the target access point and power-cycle the access point. The access point boots from the TFTP image and then joins the controller to download the oversized access point image and complete the upgrade procedure.

After the access point has been recovered, you can remove the TFTP server. Skip to content Skip to search Skip to footer. Book Contents Book Contents. Find Matches in This Book. Log in to Save Content. PDF - Complete Book Updated: March 28, Chapter: Managing Software.

Caution Do not power down the controller or any access point during this process; otherwise, the software image could be corrupted. Upgrading a controller with a large number of access points can take as long as 30 minutes, depending on the size of your network. However, with the increased number of concurrent access point upgrades supported in the controller software release, the upgrade time should be significantly reduced.

The access points must remain powered, and the controller must not be reset during this time. Guidelines and Restrictions for Upgrading Controller Software The following are some of the general guidelines and restrictions that are applicable when upgrading the controller software. You can reduce the network downtime using the following options: You can predownload the AP image.

Related Concepts Predownloading an Image to an Access Point Upgrading Controller Software GUI Before you begin Before upgrading the controller software, we recommend that you consult relevant release notes for any release-specific restrictions. Procedure Step 1 Upload your controller configuration files to a server to back them up. Note We highly recommend that you back up your configuration files of the controller prior to upgrading the controller software.

Otherwise, you must manually reconfigure the controller. The software releases are labeled as follows to help you determine which release to download: Early Deployment ED —These software releases provide new features, new hardware platform support, and bug fixes. Step 3 Copy the controller software image filename. Note In Release 8. Step 4 Optional Disable the Note For busy networks, controllers on high utilization, or small controller platforms, we recommend that you disable the Step 6 From the File Type drop-down list, choose Code.

Step 9 Optional If you are using a TFTP server, the default values of 10 retries for the Maximum Retries text field, and 6 seconds for the Timeout text field should work correctly without any adjustment. Step 10 In the File Path field, enter the directory path of the software.

Step 11 In the File Name field, enter the name of the controller software file filename. Step 13 Click Download to download the software to the controller. Step 14 Optional After the download is complete, you can choose to predownload the image to your access points. Step 15 Click Reboot to reboot the controller. Step 16 If prompted to save your changes, click Save and Reboot.

Step 17 Click OK to confirm. Step 18 After the controller reboots, repeat step 6 to step 16 to install the remaining file. Step 19 If you have disabled the Note We highly recommend that you back up your controller's configuration files prior to upgrading the controller software.

Step 4 Log onto the controller CLI. Step 6 Optional Disable the Step 7 View current download settings by entering the transfer download start command. Optional If you are using a TFTP server, also enter these commands: transfer download tftpMaxRetries retries transfer download tftpPktTimeout timeout Note The default values of 10 retries and a 6-second timeout should work correctly without any adjustment.

However, you can change these values. To do so, enter the maximum number of times that the TFTP server attempts to download the software for the retries parameter and the amount of time in seconds that the TFTP server attempts to download the software for the timeout parameter. If you are using an FTP server, also enter these commands: transfer download username username transfer download password password Optional transfer download port port Note The default value for the port parameter is Step 9 View the current updated settings by entering the transfer download start command.

Step 10 Optional After the download is complete, you can choose to predownload the image to your access points. Step 11 Save the code update to nonvolatile NVRAM and reboot the controller by entering this command: reset system The controller completes the bootup process.

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