CCIE

Cisco ACI and VMware NSX are the two dominant data center SDN platforms, but they solve fundamentally different problems. ACI is a hardware-integrated fabric that manages both physical and virtual infrastructure through an application-centric policy model. NSX is a hypervisor-based overlay that virtualizes networking entirely in software. In 2026, the landscape has shifted dramatically — Broadcom’s acquisition of VMware has disrupted NSX licensing, while ACI continues to deepen its VXLAN EVPN integration. For CCIE Data Center candidates, understanding both platforms (and why employers want ACI expertise specifically) is a career differentiator. ...

CCIE Data Center holders earn $142,000–$168,000 on average in the US in 2026, with senior architects and ACI specialists pushing well past $225,000. The AI data center construction boom has turned DC networking expertise into one of the hottest — and highest-paying — specializations in the Cisco certification ecosystem. Key Takeaway: CCIE DC specialists earn a consistent premium over CCIE Enterprise Infrastructure holders, and the gap is widening as AI workloads drive unprecedented demand for engineers who can design and troubleshoot VXLAN EVPN fabrics and ACI policy-driven networks at scale. ...

Cisco just expanded the list of actively exploited Catalyst SD-WAN vulnerabilities — and if you haven’t patched yet, you’re running out of time. On March 5, 2026, Cisco updated its advisory to confirm that CVE-2026-20128 and CVE-2026-20122 are now being exploited in the wild, bringing the total number of actively exploited SD-WAN flaws to three in just eight days. Combined with the critical CVE-2026-20127 zero-day disclosed on February 25, this represents a sustained campaign against SD-WAN infrastructure that every network engineer needs to take seriously. ...

Cisco dropped one of its largest security patch bundles in recent memory on March 4, 2026 — 25 advisories covering 48 vulnerabilities across Secure Firewall ASA, Secure FTD, and Secure FMC. Two of those flaws score a perfect CVSS 10.0. If you’re studying for CCIE Security, these are the exact platforms you’ll face on exam day, and understanding how they break is just as important as knowing how to configure them. ...

MWC 2026 in Barcelona just drew the clearest roadmap to 6G we’ve ever seen: AI-native networks with commercialization starting 2029. Qualcomm and 50+ partners committed to a milestone-driven timeline, Ericsson and Intel are collaborating on commercial AI-native 6G, Huawei launched its Agentic Core solution, and T-Mobile deepened its strategic partnership with Qualcomm to lead the 5G-Advanced to 6G transition. For CCIE Service Provider candidates, this isn’t just industry news — the technologies being announced map directly to your exam blueprint. ...

CCIE Automation holders earn $155,000–$170,000 on average in 2026, with top performers clearing $225,000. That’s a 40–60% premium over non-certified network automation engineers, who average $96,000–$129,000 depending on the source. The February 2026 rebrand from DevNet Expert to CCIE Automation has strengthened the credential’s market recognition, and demand for engineers who can bridge networking and code is at an all-time high. Key Takeaway: The CCIE Automation salary premium isn’t just about the certification — it’s about being the rare engineer who can troubleshoot OSPF adjacencies AND write Ansible playbooks to prevent them from breaking in the first place. ...

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. ...

You just walked out of the CCIE lab. Eight hours of intense troubleshooting, configuration, and verification — and the result email says FAIL. I’ve been there. Most of us have. The CCIE lab has roughly a 20% first-attempt pass rate, which means 4 out of 5 candidates fail on their first try. The average candidate takes 2.3 attempts to pass. You’re not alone, and you’re not done. But here’s what separates the engineers who eventually earn those digits from those who give up: what you do in the next 90 days. ...

If you’re preparing for the CCIE Security v6.1 lab exam, here’s the uncomfortable truth that nobody tells you upfront: Cisco Identity Services Engine (ISE) dominates roughly 40% of the entire lab exam. Not firewalls. Not VPNs. ISE. This catches most candidates off guard. They spend months perfecting ASA configs and FlexVPN tunnels, walk into the lab, and discover that ISE authentication policies, profiling, posture assessment, and TrustSec SGT propagation consume nearly half their 8-hour exam window. ...

Every CCIE Security v6.1 candidate hits the same question early in their prep: do I master ASA first, or dive straight into FTD? Reddit threads are full of conflicting advice. Some candidates say FTD dominates the lab. Others insist ASA fundamentals are non-negotiable. The truth — as usual — is more nuanced than either camp admits. I’ve spent significant time dissecting the v6.1 blueprint, lab reports from recent candidates, and the actual platform behaviors you’ll encounter under exam pressure. Here’s the definitive breakdown. ...