配置虚拟局域网(VLAN)ppt课件

第三章配置虚拟局域网（VLAN),虚拟局域网VLAN,网络分段灵活性安全性,3rdfloor,2ndfloor,1stfloor,SALES,HR,ENG,每个VLAN都等于一个广播域,VLAN的操作与特性,每个VLAN都类似一个物理网段一个VLAN可跨越多个交换机干道（Trunk）携载多个VLAN的信息,VLAN的成员模式,静态：由管理员静态（人工）配置动态：基于MAC地址、IP地址等识别其成员资格,VLAN5,静态VLAN,动态VLAN,MAC=1111.1111.1111,VLAN10,Porte0/9,Porte0/4,基于端口的VLAN划分,VLAN2,VLAN1,VLAN3,VLAN的标准,CiscoISL,InitialMACAddress,InitialType/Data,NewCRC,2-ByteTPID2-ByteTCI,ISLHeader26bytes,EncapsulatedEthernetframe,CRC4bytes,IEEE802.1Q,配置静态VLAN,EngineeringVLAN,MarketingVLAN,SalesVLAN,Floor#1,Floor#2,Floor#3,PhysicalLayerLANSwitch,HumanLayer,NetworkLayer,192.20.24.0,RoutingFunctionInterconnectsVLANs,192.20.21.0,192.30.20.0,Data-LinkLayerBroadcastDomains,AllusersattachedtosameswitchportmustbeinthesameVLAN.,x,VLAN的配置步骤,定义Trunk创建VLAN划分VLAN成员检查配置结果,DefiningaTrunk,trunkon|off|desirable|auto|nonegotiate,wg_sw_a(config-if)#,On=SettrunkonandnegotiatewithothersideOff=SettrunkoffandnegotiatewithothersideDesirable=Negotiatewithotherside.Trunkonifothersideison,desirable,orautoAuto=WillbeatrunkonlyiftheothersideisonordesirableNon-negotiate=Settrunkonandwillnotnegotiate,DefiningaTrunk,wg_sw_a#confterminalEnterconfigurationcommands,oneperline.EndwithCNTL/Zwg_sw_a(config)#interfacef0/26wg_sw_a(config-if)#trunkon,Firsttrunkport(PortA),On=SettrunkonandnegotiatewithothersideOff=SettrunkoffandnegotiatewithothersideDesirable=Negotiatewithotherside.Trunkonifothersideison,desirable,orautoAuto=WillbeatrunkonlyiftheothersideisonordesirableNon-negotiate=Settrunkonandwillnotnegotiate,trunkon|off|desirable|auto|nonegotiate,wg_sw_a(config-if)#,VerifyingaTrunk,wg_sw_a#showtrunkA|B,中国最庞大的数据库下载,VerifyingaTrunk,wg_sw_a#showtrunkaDISLstate:On,Trunking:On,Encapsulationtype:ISL,wg_sw_a#showtrunkA|B,AddingaVLAN,vlanvlan#namevlan-name,wg_sw_a(config)#,AddingaVLAN,wg_sw_a#confterminalEnterconfigurationcommands,oneperline.EndwithCNTL/Zwg_sw_a(config)#vlan9nameswitchlab2,vlanvlan#namevlan-name,wg_sw_a(config)#,VerifyingaVLAN,wg_sw_a#showvlanvlan#,VerifyingaVLAN,wg_sw_a#shvlan9VLANNameStatusPorts-9switchlab2Enabled-VLANTypeSAIDMTUParentRingNoBridgeNoStpTrans1Trans2-9Ethernet1000091500011Unkn00-,wg_sw_a#showvlanvlan#,ModifyingaVLANName,vlanvlan#namevlan-name,wg_sw_a#confterminalEnterconfigurationcommands,oneperline.EndwithCNTL/Zwg_sw_a(config)#vlan9nameswitchlab90,wg_sw_a#showvlan9VLANNameStatusPorts-9switchlab90Enabled-,wg_sw_a(config)#,AssigningSwitchPortstoaVLAN,vlan-membershipstaticvlan#|dynamic,wg_sw_a(config-if)#,AssigningSwitchPortstoaVLAN,wg_sw_a#confterminalEnterconfigurationcommands,oneperline.EndwithCNTL/Zwg_sw_a(config)#interfaceethernet0/8wg_sw_a(config-if)#vlan-membershipstatic9,vlan-membershipstaticvlan#|dynamic,wg_sw_a(config-if)#,VerifyingVLANMembership,wg_sw_a#showvlan-membership,VerifyingVLANMembership,wg_sw_a#showvlan-membershipPortVLANMembershipTypePortVLANMembershipType-15Static131Static21Static141Static31Static151Static