Which are benefits of implementing VXLAN in a network? (Choose two.)
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Correct answer: Increased scalability since VXLAN extends the VNI to 24 bits, providing up to ~16 million unique ID values., Supports Equal Cost Multi-Pathing (ECMP) so load balancing over multiple paths can be used..
Why this is the answer
VXLAN significantly increases scalability by extending the VLAN ID to a 24-bit Virtual Network Identifier (VNI), allowing for approximately 16 million unique logical networks, compared to the 4,096 limit of traditional VLANs. This is crucial for large-scale data centers and multi-tenant environments. VXLAN also supports Equal Cost Multi-Pathing (ECMP) because it encapsulates Layer 2 frames within UDP packets, allowing standard Layer 3 routing protocols to distribute traffic across multiple equal-cost paths. This enables efficient load balancing and better utilization of network resources. VXLAN does not replace Layer 3 routing protocols; rather, it leverages them. While VXLAN can reduce the need for Spanning Tree Protocol within the overlay, it doesn't make STP itself more efficient.
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