Explanation/Reference:
Explanation:
ip vrf forwardingvrf-name
Example:
Router(config-if)# ip vrf forwarding green
Associates a virtual private network (VPN) routing and forwarding (VRF) instance with an interface or subinterface.
vrf-name is the name assigned to a VRF.
Router(config-if)# tunnel vrfvrf-name
Example:
Router(config-if)# tunnel vrf finance1
Associates a VPN routing and forwarding (VRF) instance with a specific tunnel destination.
vrf-name is the name assigned to a VRF.
Router(config)# crypto keyringkeyring-name [vrf fvrf-name] Defines a crypto keyring to be used during IKE authentication and enters keyring configuration mode.

keyring-name--Name of the crypto keyring.
fvrf-name--(Optional) Front door virtual routing and forwarding (FVRF) name to which the keyring will be referenced. fvrf-name must match the FVRF name that was defined during virtual routing and forwarding (VRF) configuration