Huawei Ar651 Configuration — Guide

Introduction In the modern enterprise network, the boundary between the local LAN and the wide area network (WAN) is no longer a simple threshold. It is a dynamic space requiring routing, security, and deep packet inspection. Huawei’s AR651 enterprise router, part of the Agile Series, is designed to occupy this critical space. As a converged access device, the AR651 supports 3G/4G LTE, Ethernet WAN, and VPN acceleration, making it a staple for branch offices and Industrial Internet of Things (IIoT) deployments. This essay provides a structured technical guide to configuring the AR651, moving from initial access to advanced security policies, using Huawei’s proprietary Versatile Routing Platform (VRP). Phase 1: Initial Access and Basic Hardening Before any data flows, the administrator must establish a console connection. The AR651 defaults to a baud rate of 9600. Using a terminal emulator (e.g., PuTTY or SecureCRT), the user enters the initial AAA authentication framework.

[Branch_Router] acl number 3000 [Branch_Router-acl-adv-3000] rule 5 permit ip source 192.168.10.0 0.0.0.255 destination 10.10.10.0 0.0.0.255 huawei ar651 configuration guide

[Branch_Router] interface Cellular 0/0/0 [Branch_Router-Cellular0/0/0] apn-profile default [Branch_Router-Cellular0/0/0] dialer number *99# (or your carrier's code) [Branch_Router-Cellular0/0/0] modem auto-recovery [Branch_Router-Cellular0/0/0] quit Implement track-based static routes to fail over automatically. A primary default route via Ethernet (preference 60) and a backup via Cellular (preference 100) ensures zero-touch redundancy. The AR651 provides multiple Layer 2 Gigabit ports. For security, segment traffic into VLANs (e.g., VLAN 10 for Data, VLAN 20 for Voice, VLAN 99 for Management). Introduction In the modern enterprise network, the boundary