What is a virtual-template interface?
A virtual-template interface is a logical entity that can be used to apply predefined interface configurations for virtual-access interfaces.
Virtual template interfaces is configured independently of any physical interface and applied dynamically, as needed, to create virtual access interfaces.
What is a virtual-access interface?
Virtual access interface is a virtual interface that is created, configured dynamically, used, and then freed when no longer needed.The virtual Access interface is not configured manually it gains its configuration via the Virtual Template interface and/or RADIUS and TACAC+ authentication servers.
Applications of virtual-access interfaces:
Applications include but not limited to the following list.
- Multilink PPP
- PPP over ATM
- PPP over Ethernet
- PPP over frame-relay