基于ensp的校园网（导出的配置命令+拓扑文件）

<?xml version="1.0" ?> <PC> <FrameCfg> <NetCardNode> <domain>0</domain> <eth>54-89-98-3A-45-1E</eth> <ipaddr>172.16.50.1</ipaddr> <ipmask>255.255.255.0</ipmask> <gateway>172.16.50.254</gateway> <ipv6addr>2000::2</ipv6addr> <ipv6gateway>2000::1</ipv6gateway> <ipv4dns>0.0.0.0</ipv4dns> <ipv6dns>3000::1</ipv6dns> </NetCardNode> <Ping> <pingipv4>12.0.0.1</pingipv4> <pingipv6>2000::1</pingipv6> <pingtimes>1</pingtimes> </Ping> </FrameCfg> </PC>