1. Basic network and PoE enhancement capability Support 64K MAC address table, with automatic MAC address learning/aging, static/dynamic/black hole MAC table entries, and source MAC filtering capabilities; Supports 4K VLAN, compatible with Guest VLAN, Voice VLAN, GVRP, and MUX VLAN, and can flexibly partition VLANs based on multiple dimensions; Support LACP link aggregation, port mirroring, port isolation, and storm suppression to ensure link reliability; PoE Enhancement: Supports PoE port priority configuration, timed power supply, power management, PoE status monitoring, and can flexibly adapt to different power terminals to improve power supply stability and energy efficiency. 2. Three layers and protocol characteristics Complete three-layer routing capability, supporting IPv4/IPv6 dual stack, compatible with mainstream routing protocols such as OSPF, IS-IS, BGP, RIP, etc; Support VRRP and VGMP gateway redundancy, BFD millisecond level fast fault detection, IGMP Snooping and PIM multicast protocols, and adapt to high bandwidth services such as video surveillance and virtualization; Support iStack intelligent stacking, allowing multiple devices to be virtualized into a single logical device, simplifying networking and centralized management; Supports SVF super virtual switching and can be used as an SVF client to achieve zero configuration plug and play, reducing operational complexity. 3. Safety and Management Security protection: supports ACL, DHCP Snooping, ARP security, ARP/DoS attack prevention, IP-MAC port triple binding, and builds access layer security barriers; Management method: Supports SNMP, Web UI, CLI command line RMON, Compatible with Huawei iMaster NCE Campus management platform, achieving visual operation and maintenance; Compatible with standard OpenFlow protocol, supports smooth evolution of SDN architecture, and adapts to future network upgrade needs.