In a carrier-of-carrier VPN model, which type of network layer reachability information is used for the MP-BGP
signaling between CE and PE routers?
A.
inet-vpn
B.
flow
C.
labeled-unicast
D.
unicast
Explanation:
In a Carrier-of-Carrier VPN environment, specify the inet-vpn address family and unicast traffic type to enable
BGP to carry IPv4 network layer reachability information (NLRI) for VPN routes.
http://www.juniper.net/documentation/en_US/junos15.1/topics/example/mpls-vpn-option2-
configuration.html