华为VLAN技术原理与配置ppt课件

VLAN技术原理和配置,Page2,前言,虚拟局域网（VLAN）技术为以太网引入了灵活的控制手段，被广泛应用。,Page3,培训目标,学完本课程后，您应该能：了解VLAN技术产生的背景了解VLAN标签的产生方法掌握VLAN标签的应用规则掌握VLAN的配置,Page4,目录,VLAN简介VLAN标签的应用规则,Page5,VLAN的产生原因缺少转发控制手段的以太网,用户：我不想收到C的广播报文,管理员：B不能访问A,C,B,A,Page6,VLAN技术的目标,组1,组2,Page7,通过标签管理实现VLAN,5,PermitVLAN1only,A,B,Page8,VLAN标签介绍,Untaggedframe,Taggedframe,6B,6B,2B,64-1500B,4B,6B,6B,2B,64-1500B,4B,4B,2B,2B,Page9,如何生成VLAN标签,主机A,主机B,主机C,主机D,Port1,Port2,Port7,Port10,Page10,目录,VLAN简介VLAN标签的应用规则,Page11,VLAN转发流程,Tagged?,添加PVID,使用自身vlanid,交换机是否创建了该VLAN,丢弃,y,n,n,y,目的端口是否允许该VLAN通过,转发/标签操作,y,n,收到对端设备以太网帧,Page12,Access接口VLAN属性,QuidwaydisplayportvlanactiveGigabitEthernet0/0/1T=TAGU=UNTAG-PortLinkTypePVIDVLANList-GE0/0/1access2U:2,接口默认VLAN为2,Untagged帧添加VLAN2后再转发,Page12,Page13,配置Access接口属性,Port-0/1:VLAN-3,Port-0/2:VLAN-5,配置接口类型SWA-Ethernet0/1portlink-typeaccessSWA-Ethernet0/2portlink-typeaccess创建VLANSWAvlan3SWAvlan5设置接口PVIDSWA-Ethernet0/1portdefaultvlan3SWA-Ethernet0/2portdefaultvlan5,SWA,Page14,Trunk接口VLAN属性,QuidwaydisplayportvlanactiveEthernet0/3T=TAGU=UNTAG-PortLinkTypePVIDVLANList-E0/3trunk3U:3T:1,Page14,Page15,配置Trunk端口属性,创建VLANSWAvlan3SWAvlan5配置端口类型SWA-Ethernet0/3portlink-typetrunk配置Trunk-Link端口PVIDSWA-Ethernet0/3porttrunkpvidvlan3配置Trunk-Link所允许通过的VLAN（permittedVLAN）SWA-Ethernet0/3porttrunkallow-passvlan5,SWA,SWB,Page16,Hybrid端口VLAN属性,QuidwaydisplayportvlanactiveEthernet0/3T=TAGU=UNTAG-PortLinkTypePVIDVLANList-E0/3hybrid5U:14T:3,Page16,Page17,配置Hybrid端口,Quidway-Ethernet1/0/1portlink-typehybridQuidway-Ethernet1/0/1porthybridpvidvlan2Quidway-Ethernet1/0/1porthybriduntaggedvlan299Quidway-Ethernet1/0/24portlink-typehybridQuidway-Ethernet1/0/24porthybridpvidvlan3Quidway-Ethernet1/0/24porthybriduntaggedvlan399Quidway-Ethernet2/0/0portlink-typehybridQuidway-Ethernet2/0/0porthybridpvidvlan99Quidway-Ethernet2/0/0porthybriduntaggedvlan2to3,Port-2/0/0,Port-1/0/1,Port-1/0/24,Page18,端口VLAN属性动态配置,过渡交换机添加VLAN信息手动配置只适合小型网络自动配置GVRP,手动/自动配置VLAN,SWA,SWC,SWB,Trunk,Trunk,VLAN-2,VLAN-2,PC-2,PC-1,Page19,配置GVRP,Eth0/1,Eth0/1,Eth0/2,Eth0/2,SwitchgvrpSwitchinterfacee0/1Switch-Ethernet0/1portli