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Cisco SD-WAN (Intro) Part2

 

 

 

In this part of the SD-WAN series we want to share some facts and experiences with you regarding to

  • Upgrading the Software image

  • Activate New Software Image

  • Delete Software Image

  • Set the Software Default Version

  • Verification of these processes 

 on vBond, vEdge,vSmart and finally on vManage.
 

 

Upgrading components  of Cisco SD-WAN 

 


Hard Facts>

Recommended to run the same software version on all components
• vManage version should not be lower then the one running on vBond/vSmart/vEdge
• vBond/vSmart version must be the same or higher compared to vEdges
• To upgrade vManage clusters contact vTAC
• In past 3-4 releases per year XX.2 being LTS release (bugfixes for18 months) XX= release year

 

When you upgrade a group of vBond orchestrators, vSmart controllers, and vEdge routers, the software upgrade and reboot is performed first on the vBond orchestrator, next on the vSmart controllers, and finally on the vEdge routers. For vEdge routers, up to five routers can be upgraded and rebooted in parallel at the same time (Which I personally do NOT recommend! 😎 )


Elements and buttons

 


Top bar—On the left are the menu icon, for expanding and collapsing the vManage menu, and the vManage product name. On the right are a number of icons and the user profile drop-down.

 

Title bar—Includes the title of the screen, Software Upgrade.

 

WAN Edge tab bar—  Includes the Controller and vManage tabs.

 

Rows Selected—  Displays the number of rows selected from the table. Includes:Set Default Version button—

  • Set a software image to be the default image on the device.

  • Delete Available Software button—Delete a software version from a device.

  • Activate button—Reboots the device and activates the new software version.

  • Upgrade button—Installs a new software version on the device. Includes:

  • Device Group drop-down—List of all configured device groups in the network.

  • Table of devices (and current software version) in the overlay network—To re-arrange the columns, drag the column title to the desired position.

Search box—  Includes the Search Options drop-down, for a Contains or Match string.

Refresh icon— Click to refresh data in the device table with the most current data.

Export icon—  Click to download all data to a file, in CSV format (on Device List screen only).

Show Table Fields icon—  Click to display or hide columns from the device table. By default, all columns are displayed.

 

 

 

Upgrade Software Image

 

To upgrade the software image on a device:

  1. In the title bar, click the WAN Edge, Controller, or vManage tab.

  2. Select one or more devices on which to upgrade the software image.

  3. Click the Upgrade button. The Software Upgrade dialog box opens.

  4. Select the software version to install on the device. If the software is located on a Remote Server, select the VPN in which the software image is located.

  5. To automatically activate the new software version and reboot the device, select the Activate and Reboot checkbox.

  6. Click Upgrade. A progress bar indicates the status of the software upgrade.

If the control connection to the vManage does not come up on time, then vManage automatically rolls back the device to the previously running software image. The default timeout for devices to come up after a software upgrade is 5 minutes, except for vEdge 100 routers, which have a default time of 12 minutes

 

 

Activate New Software Image

 

If you did not select the Activate and Reboot checkbox when upgrading the software image, the device continues to use the existing configuration. To activate the new software image:

  1. In the title bar, click the WAN Edge, Controller, or vManage tab.

  2. Select one or more devices on which to activate the new software image.

  3. Click the Activate button. The Activate Software dialog box opens.

  4. Select the software version to activate on the device.

  5. Click Activate. vManage reboots the device and activates the new software image.

If the control connection to the vManage does not come up on time, then vManage automatically rolls back the device to the previously running software image. The default timeout for devices to come up after a software upgrade is 5 minutes, except for vEdge 100 routers, which have a default time of 12 minutes

 

 

Delete software image from a device:

  1. In the title bar, click the WAN Edge, Controller, or vManage tab.

  2. Select one or more devices from which to delete a software image.

  3. Click the Delete Available Software button. The Delete Available Software dialog box opens.

  4. Select the software version to delete.

  5. Click Delete.

 

Set the Software Default Version

 

You can set a software image to be the default image on a device. Performing this operation overwrites the factory-default software image, replacing it with an image of your choosing.

Hint : It is recommended that you set a software image to be the default only after verifying that the software is operating as desired on the device and in your network.

 

To set a software image to be the default image on a device:

  1. In the title bar, click the vEdge, Controller, or vManage tab.

  2. Select one or more devices on which you wish to change the default software image. 

  3. Click the Set Default Version button. The Set Default Version dialog box opens.

  4. From the Version drop-down, select the software image to use as the default.

  5. Click Set Default.

Export Device Data in CSV Format

 

To export data for all devices to a file in CSV format, click the Export button. This button is located to the right of the filter criteria in the vEdge, Controller, and vManage tabs.

 

vManage downloads all data from the device table to an Excel file in CSV format. The file is downloaded to your brower's default download location and is named viptela_download.csv.

 

Verification of these processes via Logs

 

In order to view the status of software upgrades and a log of related activities:

  1. Click the Tasks icon located in the vManage toolbar. vManage displays a list of all running tasks along with the total number of successes and failures. 

  2. Click a row to see details of a task. vManage opens a status window displaying the status of the task and details of the device on which the task was performed.

 

 

For learning more about SD-WAN ,please read part 3

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