𝐃𝐌𝐕𝐏𝐍 𝐌𝐚𝐬𝐭𝐞𝐫 𝐂𝐥𝐚𝐬𝐬 — 𝐓𝐡𝐞 𝐔𝐥𝐭𝐢𝐦𝐚𝐭𝐞 𝐆𝐮𝐢𝐝𝐞 𝐟𝐨𝐫 𝐍𝐞𝐭𝐰𝐨𝐫𝐤 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐬. Ever wondered how large enterprises securely connect 100 branches without building 1000 tunnels? 🤔 Welcome to DMVPN (Dynamic Multipoint VPN) — Cisco’s secret weapon for scalable, secure, and intelligent WAN design 💪 𝐆𝐑𝐄 𝐯𝐬 𝐦𝐆𝐑𝐄 GRE ➡️ Point-to-Point mGRE ➡️ Point-to-Multipoint (Used in DMVPN) 💡mGRE allows dynamic spoke-to-spoke tunnels — no need for static configs. 𝐈𝐏𝐒