In the routing/switching domain, the VLAN relay port is called trunk. Trunk technology is used to interconnect between switches, enabling different VLANs to communicate with the same VLANs in other switches over a shared link. The ports that are interconnected between switches are called trunk ports. Trunk is based on OSI's second-tier data link layer (DataLinkLayer) technology. Switch through the trunk function, things are simple, only need between the two switches between the interconnection line, the interconnection of the two ports set to the trunk mode, so that the switch on different VLANs to share this line.
正在翻译中..