Link aggregation can aggregate multiple physical links into a logical link with a single virtual MAC(media access control) address; and the function that multiple interface nodes representing as a single IP is achieved.

• 链路聚集将多条物理链路聚合成一条单一虚拟的媒体访问控制(MAC)逻辑链路；通过将虚拟MAC解析为集群系统对外服务的虚拟IP(VIP)；使多台接口机表现为单一IP的功能.