LLDP 是华三和华为交换机都支持的邻居信息协议。在交换机运行 dis lldp neighbor-information list, 可以显示最近的邻居信息。显示信息中的 chassisID,可以在对端交换机用dis lldp local-information，
Global LLDP local-information:
Chassis ID : ac74-0937-e800
System name : dianjiaolou_7503e
System description : H3C Comware Platform Software, Software Version 7.1.070,
Release 7524
H3C S7503E-M
Copyright (c) 2004-2016 Hangzhou H3C Tech. Co., Ltd. All
rights reserved.
System capabilities supported : Bridge, Router, Customer Bridge, Service Bridge
System capabilities enabled : Bridge, Router, Customer Bridge
