As a seasoned and adaptable IT expert with proficiency in Computer Security, Linux, Network Administration, System Admin, and Windows Server, I'm confident that I possess the right blend of skills to successfully address your OpenVPN issue on your Omada ER605 router. I understand the cruciality of smooth network connections and the challenges that can arise, especially with remote access.
In my extensive experience, I have effectively resolved countless VPN connection problems, including those revolving around device accessibility via IP addresses. By leveraging my deep understanding of networking protocols and the intricacies of OpenVPN configurations, I am well-equipped to troubleshoot and resolve this problem for you optimally.
Moreover, I pride myself on maintaining open communication channels while working remotely to ensure client satisfaction. My primary objective is not only fixing the present issue but also empowering you with knowledge to handle similar situations with confidence in the future. Don't hesitate to reach out - together, we can reinstate seamless access to your network devices!