SD-WAN

CCIE Enterprise Infrastructure is the most popular CCIE track, validating expert-level skills in enterprise networking — routing, switching, SD-WAN, and network assurance. The v1.1 lab exam is 8 hours and tests both design reasoning and hands-on configuration across complex multi-protocol topologies. Exam Overview The CCIE Enterprise Infrastructure v1.1 exam consists of two modules: Module Duration Format Key Focus Module 1: Design 3 hours Scenario-based Architecture reasoning, no CLI Module 2: Deploy, Operate, Optimize 5 hours Hands-on lab Configuration, troubleshooting, optimization Core Exam Domains Domain Weight Technologies Network Infrastructure 25% OSPF, EIGRP, BGP, STP, VXLAN SD-WAN 20% vManage, overlay design, policies Transport Technologies 15% MPLS, GRE, DMVPN, IPsec Infrastructure Security 15% AAA, CoPP, uRPF, MACsec Network Assurance 15% DNA Center, NetFlow, SNMP, streaming telemetry Automation 10% Python, NETCONF, RESTCONF, model-driven programmability Who Should Pursue This Track? CCIE Enterprise Infrastructure is ideal for: ...

AT&T just showed network engineers what the future of carrier networks looks like — and it’s not just about moving packets. At MWC 2026, AT&T launched Connected AI for Manufacturing, a platform built with Nvidia, Microsoft, and MicroAI that pushes AI inference from the cloud to the factory floor over 5G. For network engineers, this is the clearest signal yet that telcos are evolving from connectivity providers into AI infrastructure platforms. ...

Building a functional Cisco SD-WAN lab on EVE-NG requires 64GB+ RAM, controller images at version 20.15+, and roughly 3–4 hours of setup time — but it gives you hands-on access to every SD-WAN component tested on the CCIE EI v1.1 lab exam. This is the single most important lab you can build for CCIE Enterprise Infrastructure preparation in 2026. Key Takeaway: SD-WAN covers five full subsections of the CCIE EI v1.1 blueprint (2.2.a through 2.2.e). A properly built EVE-NG lab with vManage, vBond, vSmart, and cEdge devices lets you practice every orchestration, control plane, and data plane scenario the exam throws at you. ...

CVE-2026-20127 is a maximum-severity (CVSS 10.0) authentication bypass vulnerability in Cisco Catalyst SD-WAN that has been actively exploited since 2023. Disclosed on February 25, 2026, it allows an unauthenticated remote attacker to bypass peering authentication on vSmart Controllers and vManage, gain admin-level access, reach the NETCONF interface, and manipulate routing and policy across an entire SD-WAN fabric. Five Eyes intelligence agencies issued a coordinated emergency advisory the same day, and CISA added it to the Known Exploited Vulnerabilities catalog within hours. ...