I have recently faced the same issue with ISR 4221/K9 router while deploying it. I have two solutions for this one :1. Simply use controller-mode disable in privilege mode and the router will get auto rebooted. After rebooting it will allow you to go...

Thanks a lot for sharing this but I have a doubt. As per my understanding a service is called as connection oriented if we have created a circuit for connection and we will not tear it down even after the transmission however in connection less we wi...