4-端口聚合實驗

1^實^^告如有雷^-""實驗報告如有雷同，雷同各方當次實驗成績均以0分計。警示警示津^2.當次小組成員成績只計學號、登錄在下表中的。^.\在規(guī)定 3.在規(guī)定時間未上交實驗報告的，不得以其他方式補交，當次成績按0分計。實驗報告文件以PDF格式提交。【實驗目的】理解鏈路聚合的配置及原理。【實驗容】（1）完成實驗教程第三章實例3-5的實驗，回答實驗提出的問題及實驗思考。（P99-102）端口聚合和生成樹都可以實現(xiàn)冗余鏈路，這兩種方式有什么不同？你認為本實驗能實現(xiàn)負載平衡嗎？如果不能，請討論原因并設計方法，進行實驗驗證?！緦嶒炓蟆恳恍┲匾畔⑿畔⑿杞o出截圖，注意實驗步驟的前后對比。【實驗記錄】（實驗拓撲請自行畫出,）實驗容：（1）完成實驗教程第三章實例3-5的實驗，回答實驗提出的問題及實驗思考。（P99-102）實驗拓撲圖：實驗步驟：步驟0：按圖3-17連接好網(wǎng)絡拓撲，注意兩交換機之間只接一根跳線（例如F0/1端口）。實驗前帶寬驗證：在PC2上建立一個共享目錄（例如D：\share），并啟動Wireshark抓包軟件，選中監(jiān)控對象，將界面停留在CaputerInterfaces窗口上（圖3-18）；這時有數(shù)據(jù)包發(fā)生嗎？答：少量數(shù)據(jù)包，如下圖所示。在Windows7中，共享目錄（例如d:\share）在命令提示符窗口的建立過程如下:WORD專業(yè).WORDWORD專業(yè).mdd:\share \\在D盤建立文件夾sharenetuserB403159357 \\建立用戶B403、口令是159357netsharemyshare=d:\share/grant:B403,full\\建立d:\share的共享名為myshare,訪問用戶myuser、權限full在PC1上選擇一文件包，在“開始”I”搜索程序和文件”的對話框中輸入\\0\1^$卜@^,輸入用戶名/口令，就進入了共享文件夾。將PC1上的一個文件包復制到PC2的共享目錄，我選擇UPK1(5).rar,大小為1.5GB。選擇“開始”|“運行”菜單命令，在彈出的“運行”對話框中輸入\\0內卜@^；將文件包復制到PC2的共享目錄，注意觀察包數(shù)量的變化，記錄Packets、Packets/s的代表值。并計算傳送時間：答：這時包的數(shù)量急劇增長，代表圖如下：共傳送422541個包，開始時間是14:09:18.87760700，結束時間是14:10:18.96292000，傳輸時間為60.85313秒。步驟1：交換機SwitchA的基本配置。8-S5750-l#cont1guretermnaIEnterconfigurationcommands,oneperline.EndwithCNTL/7.8-S5750-1(conf1g)#vlan108-S5750-l(conf1g-vlan)#namesales8-s5750-l(config-vlan)#EXit8-s5750-1(confInterfacegigab11,ethernetO/S8-s5750-1(confIg-if-GigabitEthemet0/5)#switchportaccessvlan108-s5750-l<confIg-lf-GlgabltEthemet0/5)#shiowvlanidVLANName statusPorts1VLAN00015TATICGia/i,Gi0/2,G-i0/3,Gi0/4Gia/6,Gi0/7,GiO/8,Gl0/9Gia/LO,GiO/Ll,Gi0/12,GiO/1BGi0/14,Gi0/15,Gi0/16,Gi0/17Gi0/18,GiO/19,G10/20,G1O/21Gia/22,Gi0/23rGi0/24Gi0/25Gl0/2:6,Gl0/27,Gl0/2810salesSTATICGiO/5S-S5750-l(conf1g-lf-GngabitEthemet0/5步驟2：在交換機SwitchA上配置聚合端口。驗證測試：驗證F0/1和F0/2端口屬于AG1。8-S5750-L(conf1g-if-GigabitEthernet0/5)#exit8-s5750-L(conf1g^#~interfaceaggregateport18-s5750-L(confng-i'f-AggregatePortl)#switchportmodetrunk8-s5750-L(confJg-if-AggregatePortL^ejcit8-s5750-L(confnnterfacerangegigabitethernexO/1-28-S5750—1(config-i-F-range)#port-group1Sfiwarninq:thelinkaggregationofportcigab-itEthernet0/1maynotmatchwith-itsghBor. '' ' 一8-s5750-L(conf1g-if-range)#lft'Nov1914:31:57:^LLDP-4-ERRDETECT：LinkaqgregafionforTheportGigabitErnernet0/1maynormatchwithoneforrheneighborport.ftNov1914:31:59:^LlNK-3-UPDOWN：InterfaceAggregateport1,changedstatetoup*Nov1914:31:59:^LlNEPROTO-5-llJPDOWN:LineprotocoloninterfaceAggregatePorT15changedstatetoup. '' '5howaggregatePort1nummaryAggregatepartMaxporisswirchPorrModePortsAgl 8 EnabledtrunkgiO/l,-Gi0/28-S5750-L(conf1g-if-range)#1以上信息顯示聚和接口AG1的情況：最大支持端口數(shù)為8個，當前VLAN模式為Trunk,組成員有F0/1和F0/2端口。步驟3：交換機B的基本配置。8-55750-2:#conf1guretermlnalEntercorifiguratHoncommands,oneperHne.Endwithcntl/z.8-S5750-2：C€onfig^)#vlan108-55750-2：Ccon'f'ig-vlan)拜namesales8-S5750-2：Cconfig-vl8-S5750-2：C€onfig)#lnterfacegngabitethernet0/58-557SO-ZCconfig-Hf-GngabitEthernet0/5)#swixchportaccessvlan108-S5750-2：Cconfig-if-GngabitEthernet0/5)^showvlanidVLANName STatus Ports1vLAtiaoaiSTATICGi0/1,GlO/2,Gl0/3,G1O/4G1O/6,Gl0/7,G1O/a,G1O/9G1O/10,G10/1L,G1O/12,G10/13G10/14,G10/15,G10/L6,G10/17G1O/18,G10/19,G10-/20,G10/21G1O/22,G10/23,G10-/24,G10/25GliO/26,G10/27,G1Q/2810salesSTATICG1O/58-55750-2Cconfig-if-GngabitEthernet0/5)#l測試:驗證已在50五西8上創(chuàng)建了VLAN10，并將F0/5端口已劃分到VLAN10中。8-S5750-2#showvlanid10VLANName statusPorts10sales staticGiO/58-S5750-2#|步驟4：在交換機SwitchB上配置聚合端口。8-55750-2#conf1gureterrminalEnterconf-igurat1oncommands,oneperUne.Endwithcntl/z.8-55750-2(config)#interfaceaggregateportLS-5575Q-2(config-nf-Aggregateport chiportmod^trunkS-5575Q-2(confIg-lf-Aggr^gatePorrl)#exirS-5575Q-2(config)#interfacerangegigabitethernetO/1-2S-55750-Z(config-nf-range)#port-group1S-55750-2(config-1f-range)#*NOY1914;35:^2;?aLlNK-3-UPDOWN;interfaceAggregatePort1,changedstatetoup. '- '*Nov1914:35:52:/aLlNEPROTO-5-LPDOWN:LineprotocoloninterfaceAggregateport1,changedstatenoup. '-'8-55750-2(config-nf-ran^e)#1測試：驗證F0/1和F0/2端口屬于AG1。B-5575O-2#showaggregatePort1summaryAggregareportMaxporrsswitchPomModePortsAgl ￡ Enabledtrunkgi0/1agi0/2B-557.50-Z#!按圖3-17網(wǎng)絡拓撲，接上兩交換機之間的另一根跳線（例如F0/2端口）。步驟5：驗證。鏈路聚合的帶寬是否增大？如果沒有增大，分析是什么原因引起的并提出解決的辦法。如同步驟0，在PC1上傳送文件包，注意觀察包數(shù)量的變化，記錄數(shù)據(jù)傳送時間并分別與實驗前的數(shù)據(jù)做比較，能得出什么結論？白| 1.?LD.WILq_友士-附用1liinrUsry^EtvlvEil Ln4d.Lnk1.192.14$.10.?1-0眄213$MrlteResponie2.192.16S,19.1B192.IfiB.IB-26HBSS1t14NBSSCcnTirtjiatlwi 護3.HBSS1S14HBSS 修州白4_19工16s.i&一1日HB5S1&14NBS5 如ii州口5.192?諾192.Ififi.19.20HB5S151&N町5ContinwticnJ^S553Ee6■192.1H.3A.1BHB5S151aNBSSCpntinwticn1.192.ljEt.3A.14RBSS1514N05$Cnntinw#ticn看方外卬H_192_16S.ia.lB192.1GB.IB-26HBSSl&UHHSSSmS3t的物=力護S_192_16S.19.1B192.16H.1B-2SMB551S14HHSSConTinuatiw為明LIB_192_16S.19.1B192.1GH.IB-26HB5S1&14NHS51：口ni33tM用ii州白-11.192.1i￡t.lA.l?12-192.1￡t.3A.li?1193J68國HB5S1514NB5SContinw<ticnHB5S151&N6$5Cpntinwticn%55a￡E13-192.1H.1A.1B1*92.1?6.19.SHB5S15-14NBSSIsmtirwtiE%-制e?:答：傳送同一個文件，1.5068，共有394387個包，開始時間是14:44:24.274753000，結束時間是14:45:03.106249000，約38秒，比之前傳輸了更多包，平均速度也更快，所以帶寬變大了。鏈路聚合的動態(tài)備份：當交換機之間的一條鏈路斷開時，PC1與PC2仍能互相通信。將兩條跳線中的其中任何一根拔掉后，發(fā)現(xiàn)PC間還可以正常通信，這是否說明鏈路聚合的動態(tài)備份有效？拔線過程有無丟包現(xiàn)象？：MisersXB403>pingS-t在自自自自自自自自自自自自自自Pins68.10.20000172.16S.19.2000000192.16S.10.20在自自自自自自自自自自自自自自Pins68.10.20000172.16S.19.2000000192.16S.10.20192.168.10.2000-t0—FnjT~t—rrr—￡n—&u.Qu，.tTt—jttjT~tj~Tt—Ou—rn—IT~r.Ou12a回回回回回回回回回回回回回回32節(jié)節(jié)節(jié)節(jié)節(jié)節(jié)節(jié)節(jié)節(jié)節(jié)節(jié)節(jié)節(jié)節(jié)TTL=64TTL=64TTL=64TTL=64TTL=64TTL=64TTL=64TTL=64TTL=64TTL=64TTL=64TTL=64TTL=64TTL=64答：如上圖所示，PC間仍可通信，即鏈路聚合的動態(tài)備份有效，接線過程無丟包現(xiàn)象。重做步驟5驗證（1），監(jiān)控窗口停留在圖3-18上，在數(shù)據(jù)傳送過程中，拔掉端口1（或2）的電纜線，觀察Packets、Packets/s是否有變化？<Wireshank:CaptureInterfaces［口|回Wireshark:CaptureInterfaces［口|回Wireshark:CaptureInterfaces答：上面三個圖分別為拔掉端口1的電纜線之前、之后和一段時間后的情況，可以看出Packet數(shù)在不斷增長，Packet/s的大小在拔線后先減小后回升。查看聚合口：showinterfaceaggreateport1.8-5575O-2:#5howinterfacesaggregateport1index(dec):29(hex^:ld'- 'Aggregateport1isUP,1ineprotocolisUPHardwareisAggregateLinkAgqregatePortinterfaceaddressHs:noipaddressMTU1500bytes,BW2000000KbitEncapsulafionprotocolisBridge,1oopbacknotsetKeepaHve■intervalis10sec,setCarrierdelayis2secRxloadis1/255,Txloadis1/255switchportattributes:,interface'sdescr-ipfion:""adminmedlum-type1scopper,openmedium-Type1scopper1astchangeTlme:0Day:0Hour:12Mlnute:0secondcurrenTsramsdurarlon:0Day:0Hour:34Mlnure:5secondprioriryIs0 'adminduplexmode1sauto,operduplex1sFulladminspeedisauto,openspeed1sL0Q0Mflowcontroladminstatusisoff,flowcontroloperstatusisoffadminnegotiationmode1soff,opernegofiatlonstate1soffstormcontrol:Broadcast15on,Multicast1soff,unicastIsomPorT-type:trunkNat1vevlan:1AllowedvlanUsts:1-4094Activevlan11st5：1,10—More—*N0V1915:10:00:%LLDP—4—CREATEREM:PortGigabitEthernet0/1created□nenewneighbor,chassisID155B69.6cl5,5a00,PortID1sGlO/1.AggregatePortInformatnons:'' 'AggregateNumber:1Name;"Aggregat^Parr1"Refs:2'''Members:(caunt=2)GigabntEthernet0/1 Linkstatus:upGigabltEthernet0/2 Linkstatus:upminut.esiinputraxe125bits/sec,0packets/secminut.esoutputrate161bits/sec?Opackets/sec7140424packetsinput，10803500594bytes,0nobuffer,0droppedReceived82broadcasts,0runts,1giantsinputerrors,0crc,0frame,0overrun,0abort6041BBpacketsoutput,53585701bytes,0underruns,0dropped0out:puterrors,0CO'1'\isionss0interfaceresetsS-S575O-2#查看成員口：showinterfacegigabitethernet0/1.8-S575O-2#show1ntertacesglgabltethernet0/1index(dec):1(hex):1GigabitEthernet0/1isUP,UneprotocolisUPHardwareisEroadcom5464GigalbHtEthernetInterfaceaddressis:noipaddressMTU1500bytes,EW1000000KbitEncapsulat-ionprotocolisBridge,1oopbacknotsetIKeepaUve-intervalis10sec,setcarrierdelayis2secRxload1s1/255,TK1oad1s1/255switchportatTributes:interface'sdescripfion:""adminmedlum-rypeIscopper,openmedium-rypeIscopperastchangeTinue:0Day:0Hour:LMinute:5secondcurrentstatusdurafion:0Day:0Hour:45Minute:5。secondprlorlTyIs0 'adminduplexmodei5AUTO,operduple%i5Fulladminspeediaauto,openspeedi51000Mflawcontroladmin5Tatu5isoff,flowcontroloperstatusIsoffadminnegotlafionmode15OFF,opernegotlafionstatensONstormcontrol:Broadcasti5ON,Multicastisoff,unicastisON5minjtesinputrare33blts/aec,口packer5/sec5minutesoutputrate27.bits/sec,Qpackets/sec4457983packetsinput,6745470^53bytes,0nobuffer,0droppedReceivedB9broadcasts,0runts,1giantsinputerrors,0CRC,0frame,□overrun,0abort378BS0packetsoutput,3B529756bytes70underruns,0dropped0outputerrors,0col11sions,0interfaceresets8-S5750-2#查看端口狀態(tài)：showinterfacestatues.8-3575O-2:#5howint:erfacesstatusinterface STatus vlanDuplexspeedTypeGigabitEthernetGigabitEthernethornetGigabitEthernetGigabitEthernetGigabitEthernetGigabitEthernetGigabitEthernetGigabitEthernetGig^bitEthernetGig^bitEthernetGigabitEthernetGigjibitEthernetGigjibitEthernetGigabitEthernetGigjibitEthernetGigjibitEthernetGigabitEthernetGig^bitEthernetGig^bitEthernetGig^b-itEthernetGigabitEthernetGigabitEthernetGigabitEthernetGigabitEthernetGigabitEthernetGigabitEthernetGigabitEthernetAggregateport18-5575O-2#|0/1"2口門0<40<50<60/70/B0/90/100/110/120/150/140/150/160/170/180/190/200/210/220/230/240/250/260/27GigabitEthernetGigabitEthernethornetGigabitEthernetGigabitEthernetGigabitEthernetGigabitEthernetGigabitEthernetGigabitEthernetGig^bitEthernetGig^bitEthernetGigabitEthernetGigjibitEthernetGigjibitEthernetGigabitEthernetGigjibitEthernetGigjibitEthernetGigabitEthernetGig^bitEthernetGig^bitEthernetGig^b-itEthernetGigabitEthernetGigabitEthernetGigabitEthernetGigabitEthernetGigabitEthernetGigabitEthernetGigabitEthernetAggregateport18-5575O-2#|0/1"2口門0<40<50<60/70/B0/90/100/110/120/150/140/150/160/170/180/190/200/210/220/230/240/250/260/270/28up1Full1000Mup1FullLQOaMdown1unknownunknowndown1unknownunknownup10FullLOGONdown1unknownunknowndown1unknownunknowndown1unknownunknowndown1unknownunknowndown1unknownunknowndown1unknownunknowndown1unknownunknowndown1unknownunknowndown1unknownunknowndown1unknownunknowndown1unknownunknowndown1unknownunknowndown1unknownunknowndown1unknownunknowndown1unknownunknowndown1unknownunknowndown1UnknownUnknowndown1UnknownUnknowndown1UnknownUnknowndown1unknownunknowndown1unknownunknowndown1UnknownUnknowndown1unknownunknownup1FullLOOOMcappercappercappercoppercoppercoppercoppercoppercoppercoppercoppercoppercoppercoppercoppercoppercoppercoppercoppercoppercoppercoppercoppero?-1nlnlml

cffffcopper（7）查看成員口的速率流量：showinterfacecountersrate/summay.8-S5750-2#show1nterfacescounterssummaryinterfaceroadcastPktsmoctetsinucastPktsinMulficastPktsinBG-iO/16745472613445786B9239GlO/240580487372682350m84G1O/30000G10/40000Gl0/551161222603Q401341Q4G10/6□□00G10/7000□G10/S000□Gdo/g000□Gi0/10000□0/11000□GdO/12000□Gi0/130000G10/14000□G10/15000□Gl0/16□000G10/17□000Gl0/180000Gl0/190000Gl0/200000GlO/210000G1O/220000G1O/230000G-iO/240000GiO/250000G10/260000GlO/270000G1O/280000

AglinterfaceBroadcastPkts10803507019outoctets7140205outucastPkts164ouiMulficastPkts89outGio/l33532440378124148125G1O/22007822222581611866G1O/30□00G10/40□00G10/5107749461737140213154IISG1O/60□00G1O/70□0□G10/80000G10/90000GiO/lO0000GiO/110000G10/120000GiO/1:0000GiO/140000GiO/150000G10/160000G10/170000G10/180000G10/190000Gi0/200□00Gi0/210000GiO/220□00Gl0/250□00G10/240□00Gl0/250000Gl0/260000GiO/270000GiO/280000Agl53591571603936166121實驗思考：實驗中聚合端口的負載平衡方式默認是依據(jù)源和目的地址的。設置聚合端口的負載平衡方式命令是aggregateportload-balance.在交換機中查看聚合端口配置的相關命令：ShowaggregateportsummaryShouaggregateportload-balance此實驗也可以在跨交換機實現(xiàn)不同VLAN間通信的基礎上完成。8-35750-2#showaggregateportsummaryAggregateportMaxportsswitchportModePortsAgi B EnabledtrunkG1o/i ,G1o/z8-S5750-2#3howaggregateport1oad-balarceLoad-balan