initially you have to connect with serial "console" interface to you PC and begin configure things the cisco way. It can be a bit difficult at the beginning, the it gets easier as you learn the cisco way of doing things.
The interface you might be using now is called SDM and unfortunately altough it is supposed to do things easier many ntimes it does not so I suggest you just use telenet and CLI to configure the routers.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...