350-601 · Question #595
Refer to the exhibit. A VXLAN data center fabric has three hosts mapped to three different VLANs. Ingress and egress VTEPs perform Layer 2 and Layer 3 lookups. VLAN 100 is mapped to VNI 1010 on…
The correct answer is B. Enable prefix-based routing under interface vlan of L3 VNI. In a VXLAN fabric, Layer 2 VNIs (Virtual Network Identifiers) map VLANs across the overlay network, while Layer 3 VNIs enable inter-VLAN communication using VXLAN routing. 1. Mapping VLANs to VNIs: - VLAN 100 (Host-1) is already mapped to VNI 1010. - VLAN 200 (Host-2) must be…
Question
Refer to the exhibit. A VXLAN data center fabric has three hosts mapped to three different VLANs. Ingress and egress VTEPs perform Layer 2 and Layer 3 lookups. VLAN 100 is mapped to VNI 1010 on Leaf1. Which set of actions allow communication between Host-1 and Host-2?
Exhibit
Options
- AMAP VLAN 200 to Layer 2 VNI 2020 on Leaf2.
- BEnable prefix-based routing under interface vlan of L3 VNI.
- CSuppress ARP for Layer 2 VNI under interface NVE.
- DAttach Test_Telco_VRF to Layer 3 VNI 1010.
How the community answered
(35 responses)- A6% (2)
- B83% (29)
- C9% (3)
- D3% (1)
Explanation
In a VXLAN fabric, Layer 2 VNIs (Virtual Network Identifiers) map VLANs across the overlay network, while Layer 3 VNIs enable inter-VLAN communication using VXLAN routing. 1. Mapping VLANs to VNIs: - VLAN 100 (Host-1) is already mapped to VNI 1010. - VLAN 200 (Host-2) must be mapped to a new Layer 2 VNI (e.g., VNI 2020) on Leaf2 to ensure Layer 2 encapsulation across VXLAN. 2. Enabling Prefix-Based Routing: - Since Host-1 (192.168.1.1/24) and Host-2 (192.168.2.1/24) are in different subnets, VXLAN routing (L3 VNI) is required. - Enabling prefix-based routing under the interface VLAN of the L3 VNI ensures that inter- VLAN traffic is forwarded correctly. This ensures that Host-1 can communicate with Host-2 through the VXLAN fabric.
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