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Huawei Aggregation Switch Layer 3

Huawei aggregation switches with Layer 3 capabilities provide high-performance routing, link aggregation, and VLAN management for campus and enterprise networks.Overview

Huawei aggregation switches, such as the S6730-H series, are designed to serve as aggregation or core switches in campus networks, offering high-density 10GE downlinks, 40/100GE uplinks, and robust Layer 3 routing capabilities . These switches support OSPF, BGP, RIPng, IS-IS, VRRP, and ECMP, enabling efficient routing and redundancy across large-scale networks . They also integrate WLAN AC functions, allowing centralized management of up to 1,024 APs and unified wired-wireless policies .

Layer 3 Link Aggregation (Eth-Trunk)

Huawei switches implement link aggregation through Eth-Trunk, which bundles multiple physical interfaces into a single logical interface to increase bandwidth and provide redundancy . For Layer 3 configurations:

  • Create a Layer 3 Eth-Trunk and assign an IP address to the logical interface.
  • Add member Ethernet interfaces to the Eth-Trunk to participate in routing and forwarding.
  • Configure routing protocols on the Eth-Trunk interface to enable Layer 3 connectivity between switches or routers . This setup improves link reliability, load balancing, and bandwidth utilization, while allowing the aggregated interface to function as a Layer 3 gateway for VLANs and routed networks .
VLAN and IP Configuration

Aggregation switches handle VLAN segmentation and Layer 3 IP routing:

  • Assign VLANs to interfaces and configure IP addresses on Layer 3 interfaces to enable inter-VLAN routing .
  • Avoid using VLAN 1 as a management or service VLAN to prevent service interruptions .
  • Configure DHCP services on aggregation switches to assign IP addresses to wired and wireless clients .
  • Implement VRRP and HSB for high availability and seamless failover in Layer 3 networks .
Advanced Features

Huawei aggregation switches support:

  • VXLAN with BGP-EVPN for multi-tenant segmentation and cloud-scale designs .
  • Logical stacking and Ethernet ring protection (SEP/ERPS) with sub-50 ms fault recovery for resilient campus networks .
  • Security and monitoring features including ECA, DoS protection, DHCP spoofing prevention, and real-time telemetry via iPCA and CampusInsight .
Summary

Huawei Layer 3 aggregation switches combine high-density connectivity, advanced routing, link aggregation, and centralized wireless management. They are ideal for campus backbone, enterprise core, and high-performance aggregation layers, providing scalability, reliability, and efficient traffic management for modern digital infrastructures .

Huawei Aggregation Switch Layer 3

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