Juniper Exam JN0-664 Topic 8 Question 9 Discussion

Actual exam question for Juniper's JN0-664 exam

Question #: 9
Topic #: 8

You are a network architect for a service provider and want to offer Layer 2 services to your customers You want to use EVPN for Layer 2 services in your existing MPLS network.

Which two statements are correct in this scenario? (Choose two.)

ASegment routing must be configured on all PE routers.

BVXLAN must be configured on all PE routers.

CEVPN uses Type 2 routes to advertise MAC address and IP address pairs learned using ARP snooping

DEVPN uses Type 3 routes to join a multicast tree to flood traffic.

Show Suggested Answer

Suggested Answer: C

BGP signaled Layer 2 VPN is a type of VPN that uses BGP to distribute VPN labels and information for Layer 2 connectivity between sites over an MPLS network.BGP signaled Layer 2 VPN requires the support of the l2vpn NLRI on all core BGP devices1. The l2vpn NLRI is a new address family that carries Layer 2 VPN information such as the VPN identifier, the attachment circuit identifier, and the route distinguisher.The l2vpn NLRI is used for both auto-discovery and signaling of Layer 2 VPNs2. In this scenario, we are configuring a BGP signaled Layer 2 VPN across an MPLS enabled core network. Therefore, we need to ensure that all core BGP devices support the l2vpn NLRI.

by Lavera at Jul 27, 2023, 06:43 AM

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Hannah

3 days ago

I think A is correct because segment routing is essential for EVPN.

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