严格按照IEEE 802.1ab-2005标准进行开发，完全覆盖LLDP功能指标。支持四种端口LLDP工作模式：TXRX、TX、RX、Disable；LLDP模块通过LLDP代理与设备上物理拓扑MIB、实体MIB、接口MIB以及其他类型MIB的交互；接收邻居设备发送的LLDP帧，更新自己的LLDP邻居设备（系统）MIB，以及邻居设备自定义的LLDP扩展MIB；在本地状态发生变化的情况下，提取LLDP本地系统MIB信息并向邻居设备发送，向网管发送LLDP告警。(Develop in strict accordance with the IEEE 802.1ab-2005 standard, fully cover the LLDP function index. In support of the four port LLDP mode: TXRX, TX, RX, Disable; LLDP module through LLDP agents and equipment on the physical topology of MIB, MIB, MIB and entity interface interaction of other types of MIB; LLDP fr a me sending and receiving neighbor equipment, update their equipment LLDP neighbor MIB (system), and neighbor custom equipment LLDP extended MIB; in the local state under the changes of local LLDP extraction system MIB information sent to the neighbor to the network equipment, send LLDP warning.)