Huawei Ar651 Configuration Guide May 2026

[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).

[Branch_Router] interface GigabitEthernet 0/0/0 [Branch_Router-GigabitEthernet0/0/0] ip address dhcp-alloc [Branch_Router-GigabitEthernet0/0/0] nat outbound 2000 [Branch_Router-GigabitEthernet0/0/0] quit [Branch_Router] acl number 2000 [Branch_Router-acl-basic-2000] rule 5 permit source 192.168.0.0 0.0.255.255 The AR651 often includes two SIM slots. To configure APN (Access Point Name) for cellular: huawei ar651 configuration guide

[Branch_Router] ike proposal 5 [Branch_Router-ike-proposal-5] encryption-algorithm aes-cbc-256 [Branch_Router-ike-proposal-5] authentication-algorithm sha256 [Branch_Router] ike peer HQ v1 [Branch_Router-ike-peer-HQ] pre-shared-key cipher SecureKey@2024 [Branch_Router-ike-peer-HQ] remote-address 203.0.113.10 [Branch_Router] ipsec proposal huawei_proposal [Branch_Router-ipsec-proposal-huawei_proposal] esp authentication-algorithm sha256 [Branch_Router] ipsec policy Branch_to_HQ 1 isakmp [Branch_Router-ipsec-policy-isakmp-Branch_to_HQ-1] security acl 3000 [Branch_Router-ipsec-policy-isakmp-Branch_to_HQ-1] ike-peer HQ [Branch_Router-ipsec-policy-isakmp-Branch_to_HQ-1] proposal huawei_proposal [Branch_Router] interface GigabitEthernet 0/0/0 [Branch_Router-GigabitEthernet0/0/0] ipsec policy Branch_to_HQ This establishes an encrypted tunnel, ensuring data privacy over the public internet. The AR651’s hardware supports HQoS (Hierarchical QoS). To prioritize voice traffic (SIP/RTP), classify and mark packets: For security, segment traffic into VLANs (e