研华工业通讯进阶培训 (NXPowerLite).ppt

QoS CoS Priority Configuration II QoS ToS Priority Configuration I QoS ToS Priority Configuration II IGMP： Internet Group Management Protocol Internet 组管理协议（IGMP）是因特网协议家族中的一个组播协议，用于 IP 主机向任一个直接相邻的网络设备报告他们的组成员情况。 Network Protocol IGMP Diagram Query Report /Leave Multicast Address IP Multicast Group Addresses Class “D” Address Space High order bits of 1st Octet = “1110” 11101111) –55 - Multicast group – 55 - Administrative MAC: “01.00.5E.xx.xx.xx ” Reserved Link-local Addresses –55 - Reserved Transmitted with TTL = 1 Examples: All systems on this subnet All routers on this subnet DVMRP routers AllOSPFrouters AllDRrouters RIPV2 3 PIMv2 Routers Network Protocol IGMP Configuration 说明 : 环网拓扑结构为每个节点提供两条通讯链路，当任一条链路故障时不影响整个网络的通讯。使用X-Ring冗余环网可构建不间断的坚固网络。 Network Protocol X-Ring 冗余环网增强网络的可靠性 传统星形拓扑结构 X-Ring 环形拓扑 Central Room Central Room Factory 1 Factory 2 Factory 3 Factory 4 Factory 1 Factory 2 Factory 3 Factory 4 Gigabit X-Ring 自愈时间 10ms Network Protocol X-Ring Configuration Network Protocol X-Ring-Couple Ring Network Protocol X-Ring-Couple Ring Configuration 允许X-Ring与RSTP连接 Network Protocol X-Ring-Dual Homing Network Protocol X-Ring-Dual Homing Configuration Coupling Ring X-Ring 1 X-Ring 2 在两个“环网”之间建立冗余通道 Coupling Ring “Central-Ring”技术 “Key-Ring”技术 SCADA 1 SCADA 2 Printer Server 2 PLC DCS DCS DCS Server 1 Power Relays Ring A1 Ring A2 Ring B1 Ring B2 GroupA GroupB A1 A2 B1 B2 C1 C2 多环网的设置-案例分享 Security Tool 802.1x/RADIUS MAC Address Table Port8 000Port2 001122334457 Port3 001122334459 Security MAC Address Table Aging time MAC Address Port ID 180 180 A B 3 2 MAC Address Table A B 将多条线路组合成一组逻辑链路， 即链路聚合（ Port Trunk ） LACP能与远端相连的端口进行自动协商 在链路聚合组中的多条线路互为冗余 Port Tool Port Trunk with LACP Port Trunk with LACP Diagram Port Trunk with LACP 配置 I Remove the line of Port4, then Port1 become a work port. Port Trunk with LACP 配置 II Port Trunk with LACP 配置 III 说