What Is EVPN and Why It’s Revolutionizing Layer‑2 Networking

This article explains the fundamentals of Ethernet Virtual Private Network (EVPN), covering its basic concepts, topology options, control‑plane mechanisms, forwarding processes for unicast and multicast traffic, and the key advantages such as load balancing, reduced mesh overhead, faster convergence, and minimized ARP flooding.

BGPEVPNLayer 2 VPN

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What Is EVPN and Why It’s Revolutionizing Layer‑2 Networking

Open Source Linux

Aug 4, 2022 · Fundamentals

Understanding QinQ: Double-Tag VLANs Explained for Network Engineers

This article explains how QinQ (IEEE 802.1ad) extends traditional VLANs with a second tag to overcome VLAN scalability limits, detailing its functions, implementation methods, packet format, and a step‑by‑step working example for service provider networks.

IEEE 802.1adLayer 2 VPNQinQ

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Understanding QinQ: Double-Tag VLANs Explained for Network Engineers