The Cisco C8300 and C8200 routers doesn’t have an Out-of-Band-Management Port. Nevertheless you can create a dedicated management interface over an in-band port.

When using an in-band port for management access it is still going through the normal data plane. When you follow this post, creating an dedicated management port over an in-band port doesn’t make it magically an out-of-band port.

In order to accomplish this we would need to create a dedicated management VRF, assign it to the interface and limit the SSH access with an ACL. The management port can then be connected to the regular out-of-band management network over that port. In the following examples we are using the Gi0/0/0 port as a dedicated management interface.