網(wǎng)絡(luò)技術(shù)培訓(xùn)1內(nèi)容提要網(wǎng)絡(luò)基礎(chǔ)Extreme交換機(jī)管理Juniper防火墻管理2網(wǎng)絡(luò)基礎(chǔ)3名詞術(shù)語(yǔ)TCP(TransportControlProtocol)傳輸控制協(xié)議

IP(InternetworkingProtocol)網(wǎng)間網(wǎng)協(xié)議

UDP(UserDatagramProtocol)用戶(hù)數(shù)據(jù)報(bào)協(xié)議

ICMP(InternetControlMessageProtocol)互聯(lián)網(wǎng)控制信息協(xié)議

SMTP(SimpleMailTransferProtocol)簡(jiǎn)單郵件傳輸協(xié)議

SNMP(SimpleNetworkmanageProtocol)簡(jiǎn)單網(wǎng)絡(luò)管理協(xié)議

TransferProtocol)文件傳輸協(xié)議

ARP(AddressResolationProtocol)地址解析協(xié)議

。。。。。。。。4TCP/IP協(xié)議結(jié)構(gòu)網(wǎng)絡(luò)接口層負(fù)責(zé)接收IP數(shù)據(jù)報(bào)并通過(guò)網(wǎng)絡(luò)發(fā)送之，或者從網(wǎng)絡(luò)上接收物理幀，抽出IP數(shù)據(jù)報(bào)，交給IP層網(wǎng)間網(wǎng)層負(fù)責(zé)相鄰計(jì)算機(jī)之間的通信。其功能包括三方面。一、處理來(lái)自傳輸層的分組發(fā)送請(qǐng)求，收到請(qǐng)求后，將分組裝入IP數(shù)據(jù)報(bào)，填充報(bào)頭，選擇去往信宿機(jī)的路徑，然后將數(shù)據(jù)報(bào)發(fā)往適當(dāng)?shù)木W(wǎng)絡(luò)接口。二、處理輸入數(shù)據(jù)報(bào)：首先檢查其合法性，然后進(jìn)行尋徑--假如該數(shù)據(jù)報(bào)已到達(dá)信宿機(jī)，則去掉報(bào)頭，將剩下部分交給適當(dāng)?shù)膫鬏攨f(xié)議；假如該數(shù)據(jù)報(bào)尚未到達(dá)信宿，則轉(zhuǎn)發(fā)該數(shù)據(jù)報(bào)。三、處理路徑、流控、擁塞等問(wèn)題。

傳輸層提供應(yīng)用程序間的通信。其功能包括：一、格式化信息流；二、提供可靠傳輸。為實(shí)現(xiàn)后者，傳輸層協(xié)議規(guī)定接收端必須發(fā)回確認(rèn)，并且假如分組丟失，必須重新發(fā)送。應(yīng)用層向用戶(hù)提供一組常用的應(yīng)用程序，比如電子郵件、文件傳輸訪問(wèn)、遠(yuǎn)程登錄等。5TCP/IP協(xié)議與OSI對(duì)應(yīng)關(guān)系OSI中的層

功能

TCP/IP協(xié)議族

應(yīng)用層

文件傳輸，電子郵件，文件服務(wù)，虛擬終端

TFTP，HTTP，SNMP，F(xiàn)TP，SMTP，DNS，Telnet表示層

數(shù)據(jù)格式化，代碼轉(zhuǎn)換，數(shù)據(jù)加密

沒(méi)有協(xié)議

會(huì)話層

解除或建立與別的接點(diǎn)的聯(lián)系

沒(méi)有協(xié)議

傳輸層

提供端對(duì)端的接口

TCP，UDP網(wǎng)絡(luò)層

為數(shù)據(jù)包選擇路由

IP，ICMP，RIP，OSPF，BGP，IGMP數(shù)據(jù)鏈路層

傳輸有地址的幀以及錯(cuò)誤檢測(cè)功能

SLIP，CSLIP，PPP，ARP，RARP，MTU物理層

以二進(jìn)制數(shù)據(jù)形式在物理媒體上傳輸數(shù)據(jù)

ISO2110，IEEE802。IEEE802.26IP地址分類(lèi)A類(lèi)B類(lèi)C類(lèi)D類(lèi)E類(lèi)7局域網(wǎng)專(zhuān)用IP地址

私有IP地址IP地址范圍網(wǎng)絡(luò)類(lèi)型網(wǎng)絡(luò)個(gè)數(shù)--55A類(lèi)1--55B類(lèi)16--55C類(lèi)2568特殊IP地址9常用掩碼（1）10常用掩碼（2）注：每個(gè)網(wǎng)絡(luò)中能容納的主機(jī)數(shù)量為2n-2，其中n位主機(jī)號(hào)所占位數(shù)。11子網(wǎng)劃分TCP/IP上的每臺(tái)主機(jī)都需要用一個(gè)子網(wǎng)屏蔽號(hào)。它是一個(gè)4字節(jié)的地址，用來(lái)封裝或“屏蔽”IP地址的一部分，以區(qū)分網(wǎng)絡(luò)號(hào)和主機(jī)號(hào)。當(dāng)網(wǎng)絡(luò)還沒(méi)有劃分為子網(wǎng)時(shí)，可以使用缺省的子網(wǎng)屏蔽；當(dāng)網(wǎng)絡(luò)被劃分為若干個(gè)子網(wǎng)時(shí)，就要使用自定義的子網(wǎng)屏蔽了。12子網(wǎng)劃分13路由基礎(chǔ)不同網(wǎng)絡(luò)或網(wǎng)段的主機(jī)相互訪問(wèn)時(shí)需要建立路由表常用的路由協(xié)議靜態(tài)路由RIP（RoutingInformationProtocol-路由信息協(xié)議）、OSPF（OpenShortestPathFirst--開(kāi)放式最短路優(yōu)先）IS-IS（Intra-domainRoutingProtocol--域內(nèi)路由協(xié)議）IGRP（InteriorGatewayRoutingProtocol--內(nèi)部網(wǎng)關(guān)路由協(xié)議）EIGRP（EnhancedInteriorGatewayRoutingProtocol--增強(qiáng)的內(nèi)部網(wǎng)關(guān)路由選擇協(xié)議）BGP（BorderGatewayProtocol—邊界網(wǎng)關(guān)協(xié)議）14路由基礎(chǔ)舉例（1）實(shí)現(xiàn)兩臺(tái)PC通訊路由器配置：配置E0，E1接口IP地址PC1配置：IP地址：1/24默認(rèn)網(wǎng)關(guān)：PC2配置：IP地址：1/24默認(rèn)網(wǎng)關(guān)：路由器路由表/24（E0）/24（E1）PC1路由表/0/241PC1路由表/0/24115路由基礎(chǔ)舉例（2）R1路由表/24（E0）/16（S0）*/24*/24*/24R2路由表/24（E0）/16（S0）/16（S1）*/24*/24*/24R3路由表/24（E0）/24（E1）/16（S1）/24/2416Extreme交換機(jī)管理17交換機(jī)結(jié)構(gòu)ExtremeSummit400-48T交換結(jié)構(gòu)帶寬：97.6Gbps，包轉(zhuǎn)發(fā)速率：72.6Mpps48個(gè)10/100/1000Mbps接口4個(gè)mini-GBIC光纖接口18命令結(jié)構(gòu)19命令幫助提示Summit4:3#show<tab>Nextpossiblecompletions:accountsconfigurationripvlanprotocollogstpdswitchqosproigmpfdbipfdbmemorymanagementiparpiprouteportsversionsessionipqosipconfigdvmrpdiagnosticsedpmirroringbannerospfgvrpipmc<vlanname><spanningtreename><protocolname><QOSprofile>Summit4:3#showport<tab>Nextpossiblecompletions:configurationstatscollisionspacketinfotxerrorsrxerrorsutilizationqosmonitor<portnumber>Summit4:3#showportsconfiguration<tab>Nextpossiblecompletions:<cr>Summit4:3#showportsconfigurationFirst-tiercommand:Usingthecommandcompletionkeydisplaysallofthesecond-tieroptionsPreviouscommandisechoed,SecondandThird-tiercommandsareaddedtosyntaxstringCompletedcommandsyntax20ExtremeWareSoftwareFilesSoftwareImage

PrimarySecondarySoftwareConfiguration

PrimarySecondary21SwitchSoftwareConfigurationFilesContainswitchconfigurationinformationContaincustomizedsetofparametersthattheuserselectedtorunontheswitchTwodifferentfilesarestoredinlocations:PrimarySecondary22常用查看命令--showshowswitchshowdiagnosticsshowmanagementshowaccounts23CLICommand-showswitch

24查看端口命令showportshowportconfigshowportinfoshowportpacketshowportRXerrorsshowportTXerrorsshowportstatisticsshowportutilization25Displaysreal-timecollisionstatistics.Syntax:showport{<portlist>}collisionsPortCollisionMonitorWedSep923:14:091998PortLinkCollisionHistogramNumStatus12345678910111213141516================================================================================1ACTIVE00000000000000002READY00000000000000003READY00000000000000004READY00000000000000005READY00000000000000006READY00000000000000007READY00000000000000008READY0000000000000000===============================================================================0->ClearCountersU->pageupD->pagedownESC->exitShowPortCollisions26showport{<portnumber>}configurationShowPortConfigurationSyntax:Displaystheportconfiguration,including:PortStateLinkstateLinkspeedDuplexmodeFlowcontrolLoadsharinginformationlinkmediainformation27Summit4#showportconfigPortConfigurationMonitorWedSep923:21:281998PortPortLinkAutoSpeedDuplexFlowLdShareMediaNumStateStatusNegCfgActualCfgActualCtrlMasterPriRed================================================================================1ENABLEDACTIVEONAUTO100AUTOFULLNONEUTP2ENABLEDREADYONAUTOAUTOUTP3ENABLEDREADYONAUTOAUTOUTP4ENABLEDREADYONAUTOAUTOUTP5ENABLEDREADYONAUTOAUTOUTP6ENABLEDREADYONAUTOAUTOUTP7ENABLEDREADYONAUTOAUTOUTP8ENABLEDREADYONAUTOAUTOUTP9ENABLEDREADYONAUTOAUTOUTP10ENABLEDREADYONAUTOAUTOUTP11ENABLEDREADYONAUTOAUTOUTP12ENABLEDREADYONAUTOAUTOUTP13ENABLEDREADYONAUTOAUTOUTP14ENABLEDREADYONAUTOAUTOUTP15ENABLEDACTIVEONAUTO100AUTOFULLNONEUTP16ENABLEDACTIVEONAUTO100AUTOFULLNONEUTP17ENABLEDACTIVEON10001000AUTOFULLNONESX18ENABLEDACTIVEON10001000AUTOFULLNONESX================================================================================U->pageupD->pagedownESC->exitExample-showportconfiguration28showport{<portnumber>}infoShowPortInfoSyntaxDisplaysdetailedsystem-relatedinformationBRIDGE_LAB_2:19#showportsinfoInformationforport1:Portstate:activeConfiguredDuplexmode:autoActualDuplexMode:fullConfiguredspeed:autoActualSpeed:100Porttype:UTPHasredundantport:noSummitLinkdisabledExtremeDiscoveryProtocol:enabledLoadsharingisnotenabledMACLearning:enabledBridgeinformation:red(untagged)VlanId:4095SpanningTreeInformation:Stpd:s0,enabledonthisportPortState:FORWARDINGDesignatedRoot:00:00:00:00:00:00:00:00DesignatedBridge:00:00:00:00:00:00:00:00DesignatedCost:0DesignatedPortId:0Protocol:VlanredPriority:0type:EtherTypevalue:ffffQosProfile:Noneconfigured29showport{<portnumber>}packetReceivePacketStatisticsWedSep923:26:061998PortLinkPacketSizesNumStatus0-6465-127128-255256-511512-10231024-1518================================================================================1ACTIVE88847131002READY0000003READY0000004READY0000005READY0000006READY0000007READY0000008READY0000009READY00000013READY00000014READY00000015ACTIVE000700016ACTIVE163140700017ACTIVE280201600018ACTIVE814010800================================================================================0->ClearCountersU->pageupD->pagedownESC->exitShowPortPacketDisplaysahistogramofpacketstatisticsSyntax:30showport{<portnumber>}rxerrorsPortRxErrorMonitorWedSep923:27:571998PortLinkRxRxRxRxRxRxRxNumStatusCRCOverUnderFragJabberAlignLost================================================================================1ACTIVE60000002READY00000003READY00000004READY00000005READY00000006READY00000007READY00000008READY00000009READY000000013READY000000014READY000000015ACTIVE000000016ACTIVE000000017ACTIVE000000018ACTIVE0000000================================================================================0->ClearCountersU->pageupD->pagedownESC->exitShowPortRXerrorsDisplaysreal-timereceiveerrorstatisticsSyntax:31showport{<portnumber>}txerrorsPortTxErrorMonitorWedSep923:30:031998PortLinkTxTxTxTxTxNumStatusCollLateCollDeferredErrorParity================================================================================18ACTIVE0000019READY0000020READY0000021ACTIVE0000022ACTIVE00000================================================================================0->ClearCountersU->pageupD->pagedownESC->exitShowPortTXerrorsDisplaysreal-timetransmiterrorstatisticsSyntax:32showport{<portnumber>}statsPortStatisticsWedSep923:31:141998PortLinkTxPktTxByteRxPktRxByteRxRxNumStatusCountCountCountCountBcastMcast================================================================================1ACTIVE1874127627336112197722READY0000003READY0000004READY0000005READY0000006READY0000007READY0000008READY0000009READY00000013READY00000014READY00000015ACTIVE2673831575256500016ACTIVE7525650266382511266517ACTIVE3517778922163933341618ACTIVE22547591211466005929===============================================================================0->ClearCountersU->pageupD->pagedownESC->exitShowPortStatsDisplaysreal-timeportstatisticsSyntax:33showport{<portnumber>}utilizationShowPortUtilizationDisplaysreal-timeportutilizationinformationSyntax:Bypressing<spacebar>,

usermaytogglebetweendisplaysofpacketspersecondbytespersecondpercent(%)bandwidth34showport{<portnumber>}utilizationpacketspersecondLinkUtilizationAveragesWedSep923:33:111998PortLinkReceivePeakRxTransmitPeakTransmitNumStatuspacket/secpkt/secpkt/secpkt/sec================================================================================1ACTIVE0100...15ACTIVE000016ACTIVE000017ACTIVE000018ACTIVE0000================================================================================spacebar->togglescreenU->pageupD->pagedownESC->exitExample1-ShowPortUtilization35showport{<portnumber>}utilizationbytespersecondLinkUtilizationAveragesWedSep923:34:321998PortLinkReceivePeakRxTransmitPeakTransmitNumStatusbytes/secbytes/secbytes/secbytes/sec===============================================================================1ACTIVE21671346...15ACTIVE1111135816ACTIVE1358111117ACTIVE23444418ACTIVE25372277===============================================================================spacebar->togglescreenU->pageupD->pagedownESC->exitExample2-ShowPortUtilization36showport{<portnumber>}utilization%bandwidthLinkUtilizationAveragesWedSep923:38:321998PortLinkLinkReceivePeakRxTransmitPeakTransmitNumStatusSpeed%bandwidth%bandwidth%bandwidth%bandwidth===============================================================================1ACTIVE1000.000.000.000.00...15ACTIVE1000.000.000.000.0016ACTIVE1000.000.000.000.0017ACTIVE10000.000.000.000.0018ACTIVE10000.000.000.000.00===============================================================================spacebar->togglescreenU->pageupD->pagedownESC->exitExample3-ShowPortUtilization37常用管理命令（1）download

下載軟件或參數(shù)文件，download<image|config>upload

上載軟件或參數(shù)文件，upload<image|config>use

使用軟件或配置文件，use<image|config>Reboot重啟save

保存saveconfig38常用管理命令（2）unconfig

刪除配置unconfig<switch><all>（刪除交換機(jī)配置）Delete清除命名deletevlanCreate創(chuàng)建createvlanConfig修改configvlanEnabledisable39downloadimage[xmodem|<ipaddress>|<hostname>][<>]{primary|secondary}DownloadsanewsoftwareimagefromaToverthenetworktooneofthetwostoragecontainers.PrimaryorSecondary.CLICommand-downloadimage40useimage[primary|secondary]Configurestheswitchtouseaparticularimageonthenextreboot.CLICommand-useimage41CLICommand-rebootreboot{<date><time>|cancel}Thiscommandwillreboottheswitch.42uploadconfig[<ipaddress>|<hostname>]<>{every<time>|cancel}UploadsthecurrentruntimeconfigurationtothespecifiedT.CLICommand-uploadconfig43 downloadconfiguration [<ipaddress>|<hostname>]<> DownloadsapreviouslysavedASCIIconfiguration aspecificIPhost.CLICommand-downloadconfig44save{configuration}{primary|secondary} Savestheconfigurationtothelocation selected,eitherprimaryorsecondary.CLICommand-saveconfig45useconfiguration{primary|secondary}Configurestheswitchtouseaparticularconfigurationonthenextreboot.CLICommand-useconfig46CLICommand-unconfigswitchunconfigswitch Returnsswitchconfigurationtofactory defaultsexceptuseraccountsand passwordsandthedateandtimeunconfigswitchall Returnsswitchconfigurationtofactory defaultsexceptthedateandtime47configurevlan<vlanname>ipaddress<ipaddress>{<addressmask>} unconfigurevlan<vlanname>ipaddressExample:configvlanREDipaddressorconfigvlanREDipaddress/24CLICommand-configvlan48WEB管理49EnableandDisableWebAccessWebaccessisenabledbydefaultontheswitchTodisableWebaccess,usetheCLIcommand:disablewebTore-enableWebaccess,usetheCLIcommand:enablewebReboottheswitchforchangestotakeeffect50VistaAccessandLogonAccesstheWebBrowserEnterattheURLAddressLocationfieldhttp://<switchip_address>/Clickon<Logon>Enterusername&password51NavigatingExtremeWareVistaVistadividestheBrowserscreenintothefollowingsections:TaskframeContentframeStandalonebuttonsTheTaskFramehastwosectionsMenubuttonsConfigurationStatisticsSupportLogoutSub-menulinks52SwitchConfigurationScreenContentFrameTaskFrameTaskButton53Statistics-PortUtilization54DisplayStatistics-IPConfiguration55DisplayConfiguration-UserAccounts56DisplaySupport-T57SavingChangesUsingVistaSelectSaveConfigurationfromtheConfigurationtaskbutton,SwitchoptionClickingtheLogoutbutton58功能配置59Exampleof2and4PortLoadSharing60VerifyingLoadSharingConfigurationExecutetheCLIcommand: Summit4#showportsconfiguration61Port-Mirroring--端口鏡像Configurestheswitchtocopyalltrafficassociatedwithoneormoreportstoamonitorportontheswitch.ThemonitorportcanbeconnectedtoanetworkanalyzerorRMONprobeforpacketanalysis.Trafficfilterisdefinedbasedon:MACsource/destinationaddressPhysicalportVLANVirtualportAlldataspecifictoaVLANonaspecificportUpto8mirroringfiltersandonemonitorport Framesthatcontainerrorsarenotmirrored!62Port-MirroringCLICommandsenablemirroringto<port> Example:enablemirroringtoport3configmirroringadd/delports

vlan<vlanname><hexoctet>

configmirroringadd[mac<mac_address>|vlan<name>|port<port>|vlan<name>port<portlist>]disablemirroringshowmirroring*Summit3:8#shmirMirrorport:3isup

63VLAN64WhatareVLANs?VirtualLocalAreaNetworkReferstoacollectionofdevicesthatcommunicateasiftheywereonthesamephysicalLANCanbecomprisedofoneormoreportsAportmayparticipateinoneormoreVLANs65VLANBenefitsHelptocontroltrafficProvideextrasecurityEasethechangeandmovementofdevices66VLANinExtremeSwitchesEachSwitchcanhaveamaximumof4096VLANs4095ofthemcanbeconfiguredbytheuser1pre-configuredVLANnamed“default”67AllSummitswitchescomepre-configuredwithasingleVLANnamedDEFAULT.AllportsareinitiallymembersofVLAN-DefaultVLAN-DefaultcannotberenamedandcannotbedeletedVLAN-Default68Port-basedVLANTaggedVLANsProtocol-basedVLANTypesofVLANs69SingleSwitchMultipleswitchInterconnectionperVLANisrequiredPort-basedVLAN70Port-basedVLANs

StepsforSpanningSwitches

AssigntheportoneachswitchtotheVLANCablethetwoswitchestogetherusingoneportoneachswitchperVLAN71VLANTaggingTaggingisaprocessthatinsertsamarker(calleda

tag)intotheEthernetframe.ThetagcontainstheidentificationnumberofaspecificVLAN,calledtheVLANid.IEEE802.1QVLANspecificationIsintegralintheoperationofaSummitswitchanditsabilitytosupportVLANsAllowsasingleinterconnectiontocarrytrafficformultipleVLANs72EthernetFrame-Before&AfterTagging73Configurable.1QEthertypeDefault=8100DestinationaddressSourceaddressTypefieldDatafieldCRCLengthfieldDatafieldCRCEthernetV2.0With802.1QTagIEEE802.3With802.1QTag6bytes2bytesUpto1500bytes4bytesUpto1496bytes6bytes123456784bytes802.1QTag4bytes2bytes802.1QTag4bytesDestinationaddressSourceaddress6bytes6bytes802.1p3bitsVLANID12bitsOctet3Octet4CFITagControlInformation(TCI)FormatTagProtocolIdentifier(TPID)Octet1Octet2Ethernet-encodedTPID0x8100VLANTagging-HowItWorks74UsesofTaggedVLANsMostcommonly,tospanmultipleswitchesAbilitytohaveaportbeamemberofmultipleVLANsAsingleportcanbeamemberofonlyoneport-basedVLANtrunk75AssigningAVLANTagEachVLANmaybeassignedan802.1QVLANtagNotallportsinaVLANneedtobetaggedAsportsareaddedtoVLANwithtag,youdecidewhethereachportwillusetagging forthatVLANTheswitchaddsandstripstagsbasedonVLANconfigurationTheCLIcommandtoassignatagtoaportisconfigvlan<name>addport<portlist>tag76PhysicalConfigurationLogicalEquivalentNetworkExampletrunk77UsePre-definedProtocolsIP,IPX,Netbios,Decnet,IPX_8022,IPX_SNAP,AppleTalkOrCreateaCustomizedProtocolFilteronEthertype,LLCorSNAPheaderMaximumof7(15)

active

user-definedfiltersperswitchProtocol-basedVLAN78User-DefinedProtocolFiltersMaximum:15protocolwithupto6filterseachcanbedefinedCreatefilterbyusingtheCLIcommandcreateprotocol<protocol_name>ConfigurefilterbyusingCLIcommandconfigureprotocol<protocol_name>add<protocol_type><hex_value>Supportedprotocoltypesincludeetype -EtherTypellc -LLCServiceAdvertisingProtocol(SAP)snap -EtherTypeinsidetheIEESNAPpacket encapsulation79配置VLAN步驟創(chuàng)建VLAN分配IP地址和掩碼(如果需要)配置VLANid（如果指定VLANid）添加端口，（在需要的端口上標(biāo)記VLANid）啟動(dòng)VLAN的三層轉(zhuǎn)發(fā)80VLAN配置命令create/deletevlan<name>config/unconfigvlanipaddress<x.x.x.x/x>configvlanadd/delporttag|untaggedEnableipforwordingShowvlan81createvlan<vlanname>deletevlan<vlanname>Createsorremovesauser-definedVLAN.Oncecreated,IPaddress,portlists,andqualityofservicefilterscanbeassignedasrequired.NotethataVLANnameislimitedto32characters.CLICommand-create/deletevlan82configurevlan<vlanname>ipaddress<ipaddress>{<addressmask>}unconfigurevlan<vlanname>ipaddressAssignsorremovesanIPaddressandoptionalmasktothenamedVLAN.Themasknotationcantakeeitheroftwoforms:configvlanREDipaddress

orconfigvlanREDipaddress/24CLICommand-config/unconfigvlan83configurevlan<vlanname>[add|delete]port<portnumber>{tagged|untagged}AddordeleteoneormoreportstoaVLAN.Portscanbespecifiedastaggedoruntagged.Iftagged,theportwillonlyacceptdataonthatVLANcarryingtheappropriateID.Bydefault,portsareuntagged.CLICommand-configvlanadd/delport84showvlan{<name>|all}DisplaysoneoralloftheVLANsconfiguredontheswitch.IncludedistheVLANID(tag),theIPaddress,anyassignedprotocolfilters,theQoSprofile,theassignedportlist,theassignedspanningtreedomain,andthestateofIGMPsnooping.CLICommand-showvlan85BRIDGE_LAB_2:31#showvlanblueVLANInterface[3-fd8]withname"blue"createdbyuser Tagging: Untagged(Internaltag4094) IP: / IPX: Notconfigured STPD: Domain"s0"isnotrunningspanning treeprotocol Protocol: Matchallunfilteredprotocols. QosProfile:QP1 Ports: 3.(Numberofactiveport=3) Untag:151822ExampleCLICommand-showvlan86VLANConfigurationwithTagsUsestheCLIcommandconfigvlan<name>tag<vlantag>Exampleofcreatingatag-basedVLANnamed“video”createvlanvideoconfigvideotag1000configvideoaddport4-8tagged87configurevlan<vlanname>tag<vlanID>AssignsanumericalVLANID.Thevalidrangeisfrom1to4095.NotethatVLANtagsareusedinternallybyallSummitswitches,whetheronehasbee