10 posts
Cisco shipped Nexus Dashboard 4.2.1 in March 2026 with config drift reconciliation, a virtual Fabric Designer, Nexus One ACI/NX-OS interoperability, Live Protect, and deep AI fabric tooling. Here's a practitioner's breakdown of what changes day-to-day operations — and what's just nice to have.
A complete breakdown of all five BGP EVPN route types defined in RFC 7432 and RFC 8365 — what information each carries, when each is generated, and how they work together to build a VXLAN fabric.
A deep technical breakdown of VXLAN EVPN — what the underlay and overlay are, how VTEPs encapsulate traffic, why BGP replaced flood-and-learn, and how symmetric IRB enables Layer 3 routing across the fabric.
A look at why organizations are moving away from Cisco ACI toward NX-OS VXLAN EVPN managed by Nexus Dashboard — the operational, strategic, and market forces driving this shift in 2025 and 2026.
A breakdown of every Cisco-supported physical hardware option for Nexus Dashboard 4.2 — from the legacy SE-NODE-G2 to the current-generation G5L and G5S — with specs, NICs, and cabling guidance.
The DNS and NTP requirements for Nexus Dashboard 4.2 are strict. Get them wrong and your cluster won't deploy — or worse, it'll deploy and fail unpredictably later.
Understanding Nexus Dashboard's two-network design, persistent IP addresses, BGP configuration for L3 deployments, and required firewall ports for ND 4.2.
A complete walkthrough of deploying a 3-node Nexus Dashboard 4.2 cluster using VMware vCenter — from OVA download to cluster bringup.
Everything you need to know before deploying Nexus Dashboard 4.2 in VMware ESX — node profiles, hardware requirements, storage specs, and critical restrictions.
A practical guide to Nexus Dashboard — what it is, how it replaces DCNM, and how to get the most out of its multi-site visibility features.
