Koetliso ea Cisco 200-125 CCNA v3.0. Letsatsi la 14. VTP, Pruning le Native VLAN

Kajeno re tla tsoela pele ka puisano ea rona ea VLAN le ho buisana ka VTP protocol, hammoho le likhopolo tsa VTP Pruning le Native VLAN. Re se re buile ka VTP ho e 'ngoe ea livideo tse fetileng,' me ntho ea pele e lokelang ho tla kelellong ea hau ha u utloa ka VTP ke hore ha se protocol ea trunking, leha e bitsoa "VLAN trunking protocol."

Koetliso ea Cisco 200-125 CCNA v3.0. Letsatsi la 14. VTP, Pruning le Native VLAN

Joalo ka ha u tseba, ho na le liprothokholo tse peli tse tummeng tsa trunking - proprietary Cisco ISL protocol, e sa sebelisoeng kajeno, le protocol ea 802.q, e sebelisoang lisebelisoa tsa marang-rang ho tsoa ho bahlahisi ba fapaneng ho kenyelletsa sephethephethe sa trunking. Protocol ena e boetse e sebelisoa ho li-switches tsa Cisco. Re se re boletse hore VTP ke protocol ea khokahano ea VLAN, ke hore, e etselitsoe ho hokahanya database ea VLAN ho li-switches tsohle tsa marang-rang.

Koetliso ea Cisco 200-125 CCNA v3.0. Letsatsi la 14. VTP, Pruning le Native VLAN

Re boletse mekhoa e fapaneng ea VTP - seva, moreki, pepeneneng. Haeba sesebelisoa se sebelisa mokhoa oa seva, sena se u lumella ho etsa liphetoho, ho eketsa kapa ho tlosa VLAN. Mokhoa oa bareki ha o u lumelle ho etsa liphetoho ho litlhophiso tsa switch, o ka lokisa database ea VLAN feela ka seva sa VTP, 'me e tla phetoa ho bareki bohle ba VTP. Ho chencha ka mokhoa o pepeneneng ha ho etse liphetoho ho database ea eona ea VLAN, empa e feta feela ka boeona ebe e fetisetsa liphetoho ho sesebelisoa se latelang ka mokhoa oa moreki. Mokhoa ona o ts'oana le ho tima VTP sesebelisoa se itseng, ho e fetola sepalangoang sa tlhahisoleseling ea phetoho ea VLAN.

Ha re khutleleng lenaneong la Packet Tracer le topology ea marang-rang e tšohliloeng thutong e fetileng. Re hlophisitse marang-rang a VLAN10 bakeng sa lefapha la thekiso le marang-rang a VLAN20 bakeng sa lefapha la papatso, re li kopanya le li-switches tse tharo.

Koetliso ea Cisco 200-125 CCNA v3.0. Letsatsi la 14. VTP, Pruning le Native VLAN

Pakeng tsa li-switches SW0 le SW1 puisano e etsoa holim'a marang-rang a VLAN20, 'me pakeng tsa SW0 le SW2 ho na le puisano holim'a marang-rang a VLAN10 ka lebaka la hore re kentse VLAN10 ho VLAN database ea switjha SW1.
Bakeng sa ho nahana ka ts'ebetso ea protocol ea VTP, ha re sebeliseng e 'ngoe ea li-switches joalo ka seva sa VTP, e ke e be SW0. Haeba u hopola, li-switches kaofela li sebetsa ka mokhoa oa seva sa VTP. Ha re ee ho terminal ea line ea taelo ea switch ebe u kenya taelo ea boemo ba show vtp. U bona phetolelo ea hona joale ea VTP protocol ke 2 le nomoro ea ntlafatso ea tlhophiso ke 4. Haeba u hopola, nako le nako ha liphetoho li etsoa ho database ea VTP, palo ea ntlafatso e eketseha ka e le 'ngoe.

Koetliso ea Cisco 200-125 CCNA v3.0. Letsatsi la 14. VTP, Pruning le Native VLAN

Palo e kholo ea li-VLAN tse tšehetsoeng ke 255. Nomoro ena e itšetlehile ka letšoao la mochine o khethehileng oa Cisco, kaha li-switches tse fapaneng li ka tšehetsa linomoro tse fapaneng tsa marang-rang a sebakeng seo. Li-VLAN tse teng ke 7, ka motsotsoana re tla sheba hore na marang-rang ana ke afe. Mokhoa oa ho laola VTP ke seva, lebitso la sebaka sa marang-rang ha lea hlophisoa, VTP Pruning mode e koetsoe, re tla khutlela ho sena hamorao. Mefuta ea VTP V2 le VTP Traps Generation le eona e holofetse. Ha ho hlokahale hore u tsebe ka mekhoa e 'meli ea ho qetela ho feta tlhahlobo ea 200-125 CCNA, kahoo u se ke ua tšoenyeha ka eona.

Ha re shebeng database ea VLAN re sebelisa taelo ea show vlan. Joalo ka ha re se re bone videong e fetileng, re na le marang-rang a 4 a sa tšehetsoeng: 1002, 1003, 1004 le 1005.

Koetliso ea Cisco 200-125 CCNA v3.0. Letsatsi la 14. VTP, Pruning le Native VLAN

E boetse e thathamisa marang-rang a 2 ao re a entseng, VLAN10 le 20, le marang-rang a kamehla, VLAN1. Joale ha re feteleng ho switch e 'ngoe ebe re kenya taelo e tšoanang ho sheba boemo ba VTP. Ua bona hore palo ea ntlafatso ea sesebelisoa sena ke 3, e le ka har'a seva sa VTP mme tlhahisoleseding e meng kaofela e tšoana le ea pele. Ha ke kenya taelo ea VLAN e bonts'ang, ke bona hore re entse liphetoho tse 2 ho li-setting, e le 'ngoe e ka tlase ho switjha SW0, ke ka lebaka leo palo ea ntlafatso ea SW1 e leng 3. Re entse liphetoho tse 3 ho li-setting tsa pele. switjha, kahoo palo ea eona ea ntlafatso e nyolohetse ho 4.

Koetliso ea Cisco 200-125 CCNA v3.0. Letsatsi la 14. VTP, Pruning le Native VLAN

Joale ha re shebeng boemo ba SW2. Nomoro ea ntlafatso mona ke 1, e leng ntho e makatsang. Re tlameha ho ba le tlhahlobo ea bobeli hobane ho entsoe phetoho e 1 ea litlhophiso. Ha re shebeng database ea VLAN.

Koetliso ea Cisco 200-125 CCNA v3.0. Letsatsi la 14. VTP, Pruning le Native VLAN

Re entse phetoho e le 'ngoe, ra theha VLAN10, 'me ha ke tsebe hore na ke hobane'ng ha tlhahisoleseding eo e sa ka ea ntlafatsoa. Mohlomong sena se etsahetse hobane ha re na marang-rang a sebele, empa simulator ea marang-rang ea software, e ka 'nang ea e-ba le liphoso. Ha u na le monyetla oa ho sebetsa ka lisebelisoa tsa 'nete ha u ntse u ithuta Cisco, e tla u thusa ho feta simulator ea Packet Tracer. Ntho e 'ngoe ea bohlokoa ha ho se lisebelisoa tsa' nete e ka ba GNC3, kapa graphical Cisco network simulator. Ena ke emulator e sebelisang sistimi ea 'nete ea ts'ebetso ea sesebelisoa, joalo ka router. Ho na le phapang pakeng tsa simulator le emulator - ea pele ke lenaneo le shebahalang joaloka router ea sebele, empa ha e le 'ngoe. Software ea emulator e etsa feela sesebelisoa ka boeona, empa e sebelisa software ea 'nete ho e sebetsa. Empa haeba ha o na bokhoni ba ho tsamaisa software ea Cisco IOS ea 'nete, Packet Tracer ke khetho ea hau e ntle ka ho fetisisa.

Kahoo, re hloka ho lokisa SW0 e le seva sa VTP, bakeng sa sena ke kena mokhoeng oa ho hlophisa litlhophiso tsa lefats'e ebe ke kenya taelo ea vtp version 2. Joalokaha ke boletse, re ka kenya phetolelo ea protocol eo re e hlokang - 1 kapa 2, ho sena. joalo ka ha re hloka mofuta oa bobeli. Ka mor'a moo, re sebelisa taelo ea mokhoa oa vtp, re beha mokhoa oa VTP oa sesebelisoa - seva, moreki kapa pepeneneng. Tabeng ena, re hloka mokhoa oa seva, 'me ka mor'a ho kenya taelo ea seva sa vtp, tsamaiso e bontša molaetsa oa hore sesebelisoa se se se ntse se le boemong ba seva. Ka mor'a moo, re tlameha ho lokisa sebaka sa VTP, seo re se sebelisang vtp domain nwking.org taelo. Ke hobane’ng ha see se hlokahala? Haeba ho na le sesebelisoa se seng marang-rang se nang le nomoro e phahameng ea ntlafatso, lisebelisoa tse ling kaofela tse nang le palo e tlase ea ntlafatso li qala ho pheta-pheta database ea VLAN ho sesebelisoa seo. Leha ho le joalo, sena se etsahala feela haeba lisebelisoa li na le lebitso la domain name. Ka mohlala, haeba u sebetsa nwking.org, u bontša sebaka sena, haeba ho Cisco, joale domain name cisco.com, joalo-joalo. Domeine ea lisebelisoa tsa k'hamphani ea hau e u lumella ho li khetholla ho lisebelisoa ho tsoa khamphaning e 'ngoe kapa ho lisebelisoa tse ling tsa kantle ho marang-rang. Ha o abela lebitso la domain name ho sesebelisoa, o se etsa karolo ea marang-rang a k'hamphani eo.

Ntho e latelang eo u lokelang ho e etsa ke ho beha phasewete ea VTP. Hoa hlokahala e le hore mohatelli, ea nang le sesebelisoa se nang le nomoro e phahameng ea ntlafatso, a se ke a kopitsa litlhophiso tsa hae tsa VTP ho sesebelisoa sa hau. Ke kenya phasewete ea cisco ke sebelisa vtp password cisco command. Kamora sena, phetisetso ea data ea VTP lipakeng tsa li-switches e tla khonahala ha feela li-password li lumellana. Haeba ho sebelisoa password e fosahetseng, database ea VLAN e ke ke ea nchafatsoa.

Ha re leke ho theha li-VLAN tse ling. Ho etsa sena, ke sebelisa taelo ea config t, sebelisa taelo ea vlan 200 ho etsa nomoro ea marang-rang 200, e fane ka lebitso la TEST le ho boloka liphetoho ka taelo ea ho tsoa. Ebe ke theha vlan 500 e 'ngoe ebe ke e bitsa TEST1. Haeba joale u kenya taelo ea show vlan, joale tafoleng ea marang-rang a marang-rang u ka bona marang-rang ana a mabeli a macha, ao ho seng kou e le 'ngoe e abetsoeng.

Koetliso ea Cisco 200-125 CCNA v3.0. Letsatsi la 14. VTP, Pruning le Native VLAN

Ha re feteleng ho SW1 'me re bone boemo ba eona ba VTP. Rea bona hore ha ho letho le fetohileng mona ntle le domain name, palo ea VLAN e ntse e lekana le 7. Ha re bone marang-rang ao re a entseng a hlaha hobane password ea VTP ha e lumellane. Ha re behe phasewete ea VTP ho sesebelisoa sena ka ho kenya litaelo ka tatellano conf t, vtp pass le vtp password Cisco. Sistimi e tlalehile hore database ea VLAN ea sesebelisoa joale e sebelisa password ea Cisco. Ha re shebeng hape boemo ba VTP ho bona hore na tlhahisoleseling e phethiloe. Joalokaha u bona, palo ea li-VLAN tse seng li ntse li le teng e eketsehile ho isa ho 9.

Haeba u sheba database ea VLAN ea sesebelisoa sena, u ka bona hore marang-rang a VLAN200 le VLAN500 ao re a bōpileng a ile a hlaha ka ho toba ho eona.

Ho lokela ho etsoa se tšoanang ka switjha ea ho qetela ea SW2. Ha re kenye taelo ea show vlan - u ka bona hore ha ho liphetoho tse etsahetseng ho eona. Ka mokhoa o ts'oanang, ha ho na phetoho boemong ba VTP. E le hore sesebelisoa sena se ntlafatse tlhahisoleseding, o boetse o hloka ho theha phasewete, ke hore, kenya litaelo tse tšoanang le tsa SW1. Kamora sena, palo ea li-VLAN maemong a SW2 e tla nyolohela ho 9.

Ke seo VTP e leng sona. Ena ke ntho e ntle e ntlafatsang tlhahisoleseling ho lisebelisoa tsohle tsa marang-rang tsa bareki kamora hore liphetoho li etsoe sesebelisoa sa seva. Ha ho hlokahale hore u etse liphetoho ho database ea VLAN ea li-switches tsohle - ho pheta-pheta ho etsahala ka bohona. Haeba u na le lisebelisoa tsa marang-rang tse 200, liphetoho tseo u li etsang li tla bolokoa lisebelisoa tsohle tse makholo a mabeli ka nako e le 'ngoe. Ha ho le joalo, re hloka ho etsa bonnete ba hore SW2 le eona ke moreki oa VTP, kahoo ha re eeng litlhophisong ka taelo ea config t ebe re kenya vtp mode client command.

Ka hona, marang-rang a rona feela phetoho ea pele e le VTP Server mode, tse ling tse peli li sebetsa ka mokhoa oa VTP Client. Haeba joale ke kena ho litlhophiso tsa SW2 ebe ke kenya taelo ea vlan 1000, ke tla fumana molaetsa: "Ho hlophisa VTP VLAN ha ho lumelloe ha sesebelisoa se le maemong a bareki." Kahoo, ha ke khone ho etsa liphetoho ho database ea VLAN haeba switjha e le ka har'a mokhoa oa moreki oa VTP. Haeba ke batla ho etsa liphetoho leha e le life, ke hloka ho ea ho seva sa switch.

Ke ea ho li-terminal tsa SW0 ebe ke kenya litaelo tsa vlan 999, lebitso la IMRAN ebe kea tsoa. Marang-rang ana a macha a hlahile polokelong ea polokelo ea VLAN ea switjha ena, 'me haeba joale ke ea polokelong ea polokelo ea sesebelisoa sa SW2, ke tla bona hore tlhaiso-leseling e tšoanang e hlahile mona, ke hore, ho pheta-pheta ho etsahetse.

Joalokaha ke boletse, VTP ke karolo e kholo ea software, empa haeba e sebelisoa hampe, e ka senya marang-rang kaofela. Ka hona, o hloka ho ba hlokolosi haholo ha o sebetsana le marang-rang a k'hamphani haeba domain name le password ea VTP li sa behoa. Tabeng ena, ntho e 'ngoe le e' ngoe eo mohatelli a lokelang ho e etsa ke ho hokela mohala oa sesebelisoa sa hae ka har'a sokete ea marang-rang leboteng, a hokela ho switjha efe kapa efe ea ofisi a sebelisa protocol ea DTP, ebe, a sebelisa kutu e entsoeng, a ntlafatsa tlhahisoleseling eohle a sebelisa VTP protocol. . Ka tsela ena, mohatelli a ka hlakola li-VLAN tsohle tsa bohlokoa, a sebelisa monyetla oa hore palo ea ntlafatso ea sesebelisoa sa hae e phahame ho feta palo ea ntlafatso ea li-switches tse ling. Tabeng ena, li-switches tsa k'hamphani li tla nkela tlhahisoleseling eohle ea VLAN sebaka ka tlhahisoleseling e phetoang ho tsoa ho switch e mpe, 'me marang-rang a hau kaofela a tla putlama.

Sena se bakoa ke taba ea hore likhomphutha li hokahane ho sebelisoa thapo ea marang-rang ho koung e itseng ea switjha eo VLAN 10 kapa VLAN20 e abetsoeng ho eona. Haeba marang-rang ana a hlakotsoe ho database ea LAN ea switch, e tla tima boema-kepe ba marang-rang a seng teng. Ka tloaelo, marang-rang a k'hamphani a ka putlama hantle hobane li-switches li tima likou tse amanang le li-VLAN tse tlositsoeng nakong ea ntlafatso e latelang.

E le ho thibela bothata bo joalo hore bo se ke ba etsahala, o lokela ho beha lebitso la sebaka sa VTP le password kapa u sebelise tšobotsi ea Cisco Port Security, e leng se u lumellang hore u tsamaise liaterese tsa MAC tsa li-switch port, ho hlahisa lithibelo tse sa tšoaneng tšebelisong ea tsona. Ka mohlala, haeba motho e mong a leka ho fetola aterese ea MAC, boema-kepe bo tla theoha hang-hang. Re tla shebisisa tšobotsi ena ea li-switches tsa Cisco haufinyane, empa hajoale sohle seo u hlokang ho se tseba ke hore Port Security e u lumella ho etsa bonnete ba hore VTP e sirelelitsoe ho mohlaseli.

Ha re akaretseng hore na boemo ba VTP ke bofe. Ena ke khetho ea mofuta oa protocol - 1 kapa 2, kabelo ea mokhoa oa VTP - seva, moreki kapa pepeneneng. Joalokaha ke se ke boletse, mokhoa oa ho qetela ha o ntlafatse database ea VLAN ea sesebelisoa ka boeona, empa o fetisetsa liphetoho tsohle ho lisebelisoa tsa boahelani. Lintlha tse latelang ke litaelo tsa ho fana ka lebitso la domain le password: vtp domain <domain name> le vtp password <password>.

Koetliso ea Cisco 200-125 CCNA v3.0. Letsatsi la 14. VTP, Pruning le Native VLAN

Joale ha re bue ka litlhophiso tsa VTP Pruning. Ha u sheba topology ea marang-rang, u ka bona hore li-switches tse tharo kaofela li na le database e tšoanang ea VLAN, ho bolelang hore VLAN10 le VLAN20 ke karolo ea li-switches tse 3 kaofela. Ka botekgeniki, switjha SW2 ha e hloke VLAN20 hobane ha e na likou tsa marang-rang ana. Leha ho le joalo, ho sa tsotelehe sena, sephethephethe sohle se rometsoeng ho tsoa komporong ea Laptop0 ka marang-rang a VLAN20 se fihla ho switjha SW1 mme ho tloha ho sona se feta ka kutu ho ea likoung tsa SW2. Mosebetsi oa hau o ka sehloohong joaloka setsebi sa marang-rang ke ho etsa bonnete ba hore boitsebiso bo fokolang bo sa hlokahaleng bo fetisoa holim'a marang-rang. U tlameha ho etsa bonnete ba hore data e hlokahalang e fetisoa, empa u ka fokotsa phetiso ea boitsebiso bo sa hlokahaleng joang ka sesebelisoa?

U tlameha ho etsa bonnete ba hore sephethephethe se reretsoeng lisebelisoa ho VLAN20 ha se phallele likoung tsa SW2 ka kutu ha se sa hlokahale. Ka mantsoe a mang, sephethephethe sa Laptop0 se lokela ho fihla ho SW1 ebe se ea ho likhomphutha ho VLAN20, empa se se ke sa feta boema-kepe bo nepahetseng ba kutu ea SW1. Sena se ka finyelloa ka VTP Pruning.

Ho etsa sena, re hloka ho ea ho litlhophiso tsa seva sa VTP SW0, hobane joalo ka ha ke se ke boletse, litlhophiso tsa VTP li ka etsoa feela ka seva, ea ho litlhophiso tsa tlhophiso ea lefats'e ebe u thaepa vtp pruning taelo. Kaha Packet Tracer ke lenaneo la papiso feela, ha ho na taelo e joalo ho litaelo tsa eona tsa taelo. Leha ho le joalo, ha ke thaepa vtp pruning ebe ke tobetsa Enter, sistimi e mpolella hore mokhoa oa ho pruning oa vtp ha o fumanehe.

Re sebelisa taelo ea boemo ba show vtp, re tla bona hore mokhoa oa VTP Pruning o boemong bo nang le bokooa, kahoo re hloka ho etsa hore e fumanehe ka ho e fetisetsa sebakeng sa ho nolofalletsa. Ha re se re entse sena, re kenya mokhoa oa VTP Pruning ho li-switches tse tharo tsa marang-rang a rona ka har'a marang-rang.
E-re ke u hopotse hore na VTP Pruning ke eng. Ha re nolofalletsa mokhoa ona, switch server SW0 e tsebisa switch SW2 hore ke VLAN10 feela e lokiselitsoeng likoung tsa eona. Kamora sena, switjha SW2 e bolella switjha SW1 hore ha e hloke sephethephethe se seng ntle le sephethephethe se reretsoeng VLAN10. Hona joale, ka lebaka la VTP Pruning, switjha SW1 e na le leseli la hore ha e hloke ho romela sephethephethe sa VLAN20 haufi le kutu ea SW1-SW2.

Sena se u loketse haholo joalo ka molaoli oa marang-rang. Ha ua tlameha ho kenya litaelo ka letsoho hobane sesebelisoa se bohlale hoo se ka romellang hantle seo sesebelisoa sa marang-rang se se hlokang. Haeba hosane o beha lefapha le leng la mebaraka moahong o latelang mme o hokela marang-rang a eona a VLAN20 ho switjha SW2, switjha eo e tla bolella hanghang switjha SW1 hore e se e na le VLAN10 le VLAN20 mme e e kopa ho fetisa sephethephethe bakeng sa marang-rang ka bobeli. Litaba tsena li lula li nchafatsoa ho lisebelisoa tsohle, ho etsa hore puisano e atlehe haholoanyane.

Koetliso ea Cisco 200-125 CCNA v3.0. Letsatsi la 14. VTP, Pruning le Native VLAN

Ho na le mokhoa o mong oa ho hlakisa phetiso ea sephethephethe - sena ke ho sebelisa taelo e lumellang phetiso ea data feela bakeng sa VLAN e boletsoeng. Ke ea litlhophiso tsa switjha SW1, moo ke thahasella boema-kepe Fa0/4, 'me kenya litaelo int fa0/4 le switchport kutu lumelloa vlan. Kaha ke se ke ntse ke tseba hore SW2 e na le VLAN10 feela, nka bolella SW1 ho lumella sephethephethe feela bakeng sa marang-rang ao boema-kepe ba eona ba kutu ka ho sebelisa taelo ea vlan e lumelletsoeng. Kahoo ke ile ka hlophisa trunk port Fa0/4 ho tsamaisa sephethephethe feela bakeng sa VLAN10. Sena se bolela hore boema-kepe bona bo ke ke ba lumella sephethephethe se eketsehileng ho tsoa VLAN1, VLAN20, kapa marang-rang afe kapa afe ntle le a boletsoeng.

U ka 'na ua ipotsa hore na ho molemo ho sebelisa eng: VTP Pruning kapa taelo e lumelletsoeng ea vlan. Karabo e itšetlehile ka hore maemong a mang hoa utloahala ho sebelisa mokhoa oa pele, 'me ho tse ling hoa utloahala ho sebelisa oa bobeli. Joaloka molaoli oa marang-rang, ho ho uena ho khetha tharollo e molemohali. Maemong a mang, qeto ea ho hlophisa boema-kepe ho lumella sephethephethe ho tsoa ho VLAN e itseng e ka ba hantle, empa ho tse ling e ka ba mpe. Tabeng ea marang-rang a rona, ho sebelisa taelo ea vlan e lumelletsoeng ho ka lokafatsoa haeba re ke ke ra fetola topology ea marang-rang. Empa haeba hamorao motho a batla ho eketsa sehlopha sa lisebelisoa a sebelisa VLAN2 ho SW 20, ho ka ba bohlale ho sebelisa mokhoa oa VTP Pruning.

Koetliso ea Cisco 200-125 CCNA v3.0. Letsatsi la 14. VTP, Pruning le Native VLAN

Kahoo, ho theha VTP Pruning ho kenyelletsa ho sebelisa litaelo tse latelang. Taelo ea ho pruning ea vtp e fana ka ts'ebeliso ea othomathike ea mokhoa ona. Haeba u batla ho lokisa VTP Pruning ea trunk port ho lumella sephethephethe sa VLAN e itseng hore se fete ka letsoho, joale sebelisa taelo ea ho khetha sebopeho sa nomoro ea trunk port <#>, nolofalletsa trunk mode switchport mode 'me u lumelle phetiso ea sephethephethe. ho netweke e itseng ho sebelisa switchport kutu e lumelletsoeng vlan taelo .

Taelong ea ho qetela u ka sebelisa li-parameter tse 5. Tsohle li bolela hore phetisetso ea sephethephethe bakeng sa li-VLAN tsohle e lumelletsoe, ha ho letho - phetiso ea sephethephethe bakeng sa li-VLAN tsohle e thibetsoe. Haeba o sebelisa parameter ea ho eketsa, o ka eketsa phallo ea sephethephethe bakeng sa marang-rang a mang. Ka mohlala, re lumella sephethephethe sa VLAN10, 'me ka taelo ea ho eketsa re ka boela ra lumella sephethephethe sa VLAN20 hore se fete. Taelo ea ho tlosa e u lumella ho tlosa e 'ngoe ea marang-rang, mohlala, haeba u sebelisa "parameter" ea 20, ho tla sala sephethephethe sa VLAN10 feela.

Joale a re shebeng VLAN ea matsoalloa. Re se re boletse hore VLAN ea matsoalloa ke marang-rang a marang-rang a ho fetisa sephethephethe se sa tsitsang ka boema-kepe bo itseng ba kutu.

Koetliso ea Cisco 200-125 CCNA v3.0. Letsatsi la 14. VTP, Pruning le Native VLAN

Ke kena litlhophisong tse khethehileng tsa boema-kepe joalo ka ha ho bonts'itsoe ke SW(config-if)# hlooho ea mola oa taelo ebe ke sebelisa taelo ea switchport trunk native vlan <nomoro ea marang-rang>, mohlala VLAN10. Hona joale sephethephethe sohle ho VLAN10 se tla feta ka kutu e sa tšoauoang.

Ha re khutlele ho topology ea marang-rang e utloahalang fensetereng ea Packet Tracer. Haeba ke sebelisa switchport kutu letsoalloa vlan 20 taelo ho fapoha koung Fa0/4, ka nako eo sephethephethe tsohle ho VLAN20 tla phalla ka Fa0/4 - SW2 kutu untagged. Ha switch SW2 e amohela sephethephethe sena, e tla nahana: "sena ke sephethephethe se sa tšoauoeng, ho bolelang hore ke lokela ho se tsamaisa ho VLAN ea matsoalloa." Bakeng sa sesebelisoa sena, VLAN ea matsoalloa ke marang-rang a VLAN1. Marang-rang a 1 le a 20 ha a hokahane ka tsela efe kapa efe, empa kaha mokhoa oa VLAN oa tlhaho o sebelisoa, re na le monyetla oa ho tsamaisa sephethephethe sa VLAN20 ho netweke e fapaneng ka ho felletseng. Leha ho le joalo, sephethephethe sena se tla be se sa koaheloe, 'me marang-rang ka boeona a ntse a tlameha ho lumellana.

Ha re shebe sena ka mohlala. Ke tla kena ho litlhophiso tsa SW1 'me ke sebelise taelo ea switchport trunk native vlan 10. Hona joale sephethephethe sefe kapa sefe sa VLAN10 se tla tsoa boema-kepe ba trunk bo sa tšoauoa. Ha e fihla kutu boema-kepe SW2, fapoha tla utloisisa hore e lokela ho fetisetsa ho VLAN1. Ka lebaka la qeto ena, sephethephethe se ke ke sa khona ho fihla lik'homphieutha tsa PC2, 3 le 4, kaha li hokahane le likoung tsa phihlello tsa switjha tse reretsoeng VLAN10.

Ha e le hantle, sena se tla etsa hore tsamaiso e tlalehe hore VLAN ea tlhaho ea port Fa0/4, eo e leng karolo ea VLAN10, ha e lumellane le boema-kepe ba Fa0/1, e leng karolo ea VLAN1. Sena se bolela hore likou tse boletsoeng li ke ke tsa khona ho sebetsa ka mokhoa oa kutu ka lebaka la ho se lumellane ha VLAN ea tlhaho.

Koetliso ea Cisco 200-125 CCNA v3.0. Letsatsi la 14. VTP, Pruning le Native VLAN


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Source: www.habr.com

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