Purpose This note describes the use of GRE tunnels in Huawei SD-WAN, their two primary use cases (connecting non-SD-WAN sites and IPv6 migration over IPv4 overlay), and the relevant constraints and configuration parameters. GRE in the SD-WAN Context GRE (Generic… Read moreSD-WAN GRE Tunnels and Layer 2 Connectivity
Purpose This note describes the conceptual structure of overlay/underlay, the available network topology models, VPN isolation, routing protocols, and CPE deployment modes in Huawei SD-WAN. Overlay vs. Underlay Underlay Network The underlay network is the physical network infrastructure on which… Read moreSD-WAN Topologies, Routing and Deployment Modes
Purpose This note explains the conceptual architecture of Huawei SD-WAN Solution, its layered structure, key components, acronyms, and typical deployment scenarios. Background and Motivation Enterprise WAN networks face four structural problems: Closed WAN architecture: Multi-cloud and multi-carrier connectivity is difficult… Read moreSD-WAN Solution – Overview, Architecture and Key Terms
Purpose This note summarizes the Huawei CPE device families used in the SD-WAN Solution, including their roles, characteristics, and typical use cases. CPE Roles in SD-WAN A CPE can take on different roles depending on configuration: Role Function Edge Gateway… Read moreSD-WAN CPE Devices – Huawei AR Series
Purpose This note describes the technical variants by which devices discover iMaster NCE-Campus and start the bootstrap / ZTP process. Focus: DHCP Option 148 DHCP Option 17 Registration Query Center PnP VLAN Email-based deployment USB-based deployment Cloud site deployment Fit… Read moreiMaster NCE-Campus – ZTP and Device Discovery
Purpose This note compares iMaster NCE-Campus and Cisco Catalyst Center in detail from the perspective of technical operations staff. Scope: This document focuses on Catalyst Center. ISE is referenced only where the functional boundary of Catalyst Center is reached. NAC… Read moreiMaster NCE-Campus vs Cisco Catalyst Center – Detailed Technical Comparison
Purpose This note provides a technical comparison between iMaster NCE-Campus and the Cisco products Catalyst Center (formerly DNA Center, DNAC) and ISE. Core principle: iMaster NCE-Campus does not map to exactly one Cisco product. The closest Cisco match for the… Read moreiMaster NCE-Campus vs Cisco Catalyst Center / ISE
Purpose This note describes the separate iMaster NCE-CampusInsight product in independent deployment mode: product positioning logical architecture data model deployment modes high availability / DR typical hardware and sizing guidance Product Positioning CampusInsight is an independent intelligent O&M platform. It… Read moreiMaster NCE-CampusInsight – Independent Deployment, Architecture, and Sizing
Purpose This note summarizes the main points about iMaster NCE-CampusInsight: Network Health View User Experience Application Experience View Data collection layer and analytics pipeline comparison between classic SNMP and telemetry streaming Basic Idea of CampusInsight iMaster NCE-CampusInsight is the analyzer/analytics… Read moreiMaster NCE-CampusInsight – Overview and Data Analytics
Purpose This note summarizes iMaster NCE-Campus licensing for the three relevant operating models: On-premises MSP-owned Cloud Huawei Public Cloud The focus is on the licensing model, license components, responsibilities, and the practical differences in operation. Basic Idea According to Huawei,… Read moreiMaster NCE-Campus – Licensing