中兴公司的《常用网络协议原理》DOC，包括ATM基本原理，G.703建议，MPLS原理，OSPF协议，PPPOE，PPP协议，RIP协议，SNMP-ZTE Corporation's "Principle of common network protocol," DOC, including the basic tenets of ATM, G.703, MPLS principle, OSPF, PPPOE, PPP, RIP, SNMP

OSPF dynamic routing protocol principles and configuration

从SNMP读取数据，生成OSPF网络拓扑图。(Read data from SNMP and generate OSPF network topology)