Cisco Nexus Dashboard Cluster Upgrade

Nexus Dashboard Cluster Upgrade to 2.1(2d) to fix Log4j vulnerability and Apache server version 2.17.1. It is important to upgrade the Nexus Dashboard cluster and important to check the below Prerequisites in order to start the upgrade procedure.

Fig 1.1- Cisco Nexus Dashboard in DC

Prerequisites and Guidelines

Maintain a healthy Nexus Dashboard cluster. The Nexus Dashboard GUI's System Overview page shows the current system status or you can use the acs health command from one of the nodes to check the status

The Nexus Dashboard services should be turned off before upgrading. You can download the ISO image from software.cisco.com. Make sure you back up the existing configuration.

https://software.cisco.com/download/home/286327743/type/286328258/release/2.1(2d) 

Fig 1.2- Nexus Dashboard Login

Latest Image upload to Nexus Dashboard 

Now its time to upload the image to Nexus Dashboard and During the upload process, you will have an option to provide a direct URL to the image. Navigate to the Admin Console of Nexus Dashboard and add an image.

Fig 1.3- Nexus Dashboard add Image

From the main navigation menu, select Operations > Firmware Management. In top right of the main pane, click the Actions menu and select Add Image.

In the Add Firmware Image window that opens, choose whether your image is stored on a remote server or local system. If uploading a local image, click Choose File and select the image file from your local system

Upgrading the Nexus Dashboard Cluster

Navigate to your Nexus Dashboard’s Admin Console. From the main navigation menu, select Operations > Firmware Management. In the main pane, select the Updates tab

Click Set up Update or Modify Details. You can upgrade your cluster for the first time by clicking the Setup Update button in the middle of the page. 

Fig 1.4- Nexus Dashboard Upgrade

When you click the Setup Update button on this page, the details of the last cluster upgrade will appear instead of the last cluster upgrade. At the top right of the screen, click the Modify Details button.

Click Next to proceed to the Setup/Version Selection screen and select the target version. Nexus Dashboard will list the uploaded images if you uploaded more than one. Click Begin Installation in the Setup/Confirmation screen after reviewing the details of the update.

You can check the installation status by navigating back to Operations > Firmware Management screen and clicking View Details link in the Last Status tile. Click Activate.

Fig 1.5- Nexus Dashboard image activation

It may take up to 20 additional minutes for all the cluster services to start and the GUI may become unavailable during this process. The page will automatically reload when the process is completed. You can track the activation process in the Activate screen as shown below.

Re-enable the Nexus Dashboard services on Nexus Dashboard services.