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You are troubleshooting an L3VPN that is part of an EVPN/MPLS DCI. You notice that the EVPN overlay BGP session toward 10.29.50.4 is unable to establish. Why is the BGP session failing to establish?
Refer to the exhibit. Referring to the exhibit, which two statements are correct? (Choose two.)
Which two statements about a DHCP relay in an EVPN-VXLAN fabric are correct? (Choose two.)
Which two statements are true Virtual Chassis? (Choose two.)
Which two combinations are supported when configuring a Virtual Chassis Fabric? (Choose two.)
Which protocol is used between VCF member devices to create a loop-free topology?
Referring to the exhibit, each node in the IP fabric is peering to its directly attached neighbor using EBGP. Each node is peering using physical interface IP addresses. Leaf 2 and Leaf 3 are advertising the 10.1.1/24 network into EBGP. Spine 2 must be configured so that it can load- share traffic destined to the 10 1.1/24 network over both next-hop A and next-hop B. Which two actions must be performed to accomplish this task? (Choose two.)
You are asked to enable plug-and-play line card switches in an active VCF without making any future Junos configuration charges. You are also required to ensure that all new line card are automatically upgrade to the correct Junos version without any manual intervention. In this scenario, which two actions will accomplish this task? (Choose two.)
You work in a data center where VMs and hosts are frequently moved. Your design needs to eliminate inefficient traffic flows. In this scenario, which two solutions will satisfy this requirement? (Choose two.)
Which two statements are correct about VXLANs? (Choose two.)

Question 97 - JN0-682 discussion

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You are evaluating which method to use for learning MAC addresses in your VXLAN network. Which statement is true in this scenario?

A.
Multicast exchanges MAC addresses through data plane learning and is more reliable than EVPN.
Answers
A.
Multicast exchanges MAC addresses through data plane learning and is more reliable than EVPN.
B.
EVPN exchanges MAC addresses through control plane learning and is more reliable than multicast.
Answers
B.
EVPN exchanges MAC addresses through control plane learning and is more reliable than multicast.
C.
EVPN exchanges MAC addresses through data plane learning and is more reliable than multicast.
Answers
C.
EVPN exchanges MAC addresses through data plane learning and is more reliable than multicast.
D.
Multicast exchanges MAC addresses through control plane learning and is not more reliable than EVPN.
Answers
D.
Multicast exchanges MAC addresses through control plane learning and is not more reliable than EVPN.
Suggested answer: B

Explanation:

Ethernet VPN (EVPN) provides control plane-based MAC address learning. This means that MAC addresses are exchanged and learned via BGP messages rather than through traditional data plane flooding. This approach is more scalable and reliable compared to multicast-based MAC address learning, where MAC addresses are learned through data plane flooding. Control plane learning with EVPN is less prone to issues like broadcast storms and provides a more efficient and stable mechanism for MAC address dissemination in large-scale networks.

Reference: Juniper Networks EVPN Overview and Configuration Guide.

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asked 18/09/2024
Amar Lojo
30 questions
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