JNCIP-SP: Juniper Networks Certified Professional – Service Provider (2022) — Question 15

You are establishing a Layer 3 VPN between two PE devices. Currently you have a single internal IPv4 BGP peering between the PE devices. You must ensure that the IPv4 and IPv6 routes from both CE devices are exchanged between these sites.
Which two statements are correct in this scenario? (Choose two.)

Answer options

• A. You must enable IPv6 tunneling on the LSPs between the PE devices.
• B. You must establish an IPv6 BGP peering between the two PEs.
• C. You must enable the inet6-vpn NLRI on both PE devices.
• D. You must enable the inet-vpn NLRI on both PE devices.

Correct answer: C, D

Explanation

The correct answers, C and D, are necessary for the proper exchange of both IPv4 and IPv6 routes in a Layer 3 VPN. Option C ensures that the inet6-vpn NLRI is enabled for IPv6 routes, while option D ensures that the inet-vpn NLRI is enabled for IPv4 routes. Options A and B are incorrect because enabling IPv6 tunneling or establishing a new BGP peering is not required for the exchange of these routes.