Background requirements
Enterprise type: multinational manufacturing industry (5 branches, requiring ERP, video conferencing, and IP telephone unified hosting).

Challenge: Ensure zero interruption of core business and support transition to IPv6 and SD-WAN.

Solution
Equipment Selection

Core router: Cisco ASR1001-HX (supports 400Mpps forwarding, redundant power supply/engine).

Backup router: Huawei NE40E-X8 (dual machine VRRP hot backup).

Key configurations

Routing protocol: OSPF+MP-BGP (Branch Interconnect), IPv6 dual stack deployment.

QoS strategy: Prioritize the protection of VoIP (DSCP EF tagging) and SAP traffic.

Security: ACL restricts branch visits and enables NetFlow traffic analysis.

achievement

Achieve 99.999% availability (annual interruption<5 minutes).

Reduce dedicated line costs by 30% through SD-WAN overlay.
Area: 80 square meters, with a floor height of 3 meters, and reinforced load-bearing capacity up to 800kg/m ².

Layout: 12 42U cabinets (cold and hot aisle isolation), independent distribution room and monitoring room.

Key configurations

Electricity: Dual mains power+400kVA UPS (N+1 redundancy)+diesel generator (72 hour battery life).

Refrigeration: Two 30kW precision air conditioners (bottom air supply) with PUE controlled below 1.4.

Network:

Core switch: Huawei CE6850-48S6Q-HI (dual machine stack).

Full 10G fiber optic backbone+Category 6 copper cable to desktop.

Safety: Access control+video surveillance, heptafluoropropane gas fire extinguishing system.

achievement

The interruption time of business has decreased by 99% (from an average of 8 hours to 5 minutes per year).

Support 50% expansion of cabinet space in the future.