ADWAN Branch environment.
After the ADWAN network details and inter site tunnel model are configured for the AdWAN branch scheme, the deployment failure is displayed in the tunnel list. The reason is "failed to deploy vsi ".
Connect to the device remotely, and view the current VSI configuration on the device through "dis c c VSI". It is found that there is a corresponding VSI on the device, but there is no corresponding tunnel configuration. Due to the repeated online and offline behavior of the field equipment and the residual VSI configuration on the equipment, the tunnel cannot be issued again.
Field configuration:
Normal configuration:
On the device, undo the corresponding VSI , and then click "Retry" in the virtual network tunnel list to resend the tunnel. This undo operation will not cause the disconnection between the controller and the device, and has no business impact.