You want to sign in to the Admin UI from the external interface but cannot bring up the Web page.
The only configuration that has been accomplished are the network settings.
What must be configured for you to bring up the Admin UI?
The IP address of your workstation must be added to the allow list.
A new URL must be created for the Web page to be accessed on the external interface.
The external interface must be enabled for admin access.
You must create a new authentication server for this admin login page.