KompyutaZida

MTU pa rauta - ndichiyani? Zolemba malire kufala unit. magawo rauta

Ambiri owerenga Intaneti kulumikiza ku akugwiritsa ntchito kugwirizana chitetezo ku wosamalira mwina okayikitsa ntchito kugwirizana ndi sungathe kutsegula chuma ena Internet. mavuto Zovuta zambiri anathana ndi kwakukulu - kusintha rauta kapena ISP Koma pali Mwina mkulu akonze zinthu nokha, kusintha chizindikiro chimodzi chokha wotchedwa MTU pa rauta lapansi. Kodi izo, momwe kupeza ndi sintha lamanja - mafunso amene ayankhidwa m'nkhaniyi.

kukambirana

Kuonjezera liwiro la Internet njira kulankhulana ntchito ndi kufala deta paketi. Ndipotu, izo zimapangitsa neza kutumiza ndi kulandira mauthenga pa chilichonse pang'ono potsegula njira. Choncho, luso wakhala Itakwana amalola kusonkhanitsa mtsinje deta mu phukusi wapadera, zomwe imafalikira ku mtunda. Pa chiphaso cha kopita phukusi kompyuta chabe kungomasula ndi kupeza deta yaiwisi. M'kupita kwa ntchito zofooka oterowo dongosolo anali kudziŵika zotsatira imfa ya liwiro ndi kuwonjezeka mu kukula kwa phukusi. Potero analowa yoyenera muyezo - pazipita kufala paketi zipangizo (Zolemba malire Kufala Unit), ndi chidule monga MTU, ndi rauta. Ndiko kumene, mpaka kudziwa kuti ndi chifukwa chifukwa chimene mfundo imeneyi si ntchito bwino.

Lodana kapena chitetezo

Kumene, muyezo aliyense amapereka njira yothetsera mavuto mu zochitika mwadzidzidzi. Pakuti MTU kuyamba kugawikana wapadera, amene analola otsika kusintha kukula kwa phukusi pa pempho la chandamale kompyuta maukonde. Yokha chonde kutsatira zoyendera wosanjikiza TCP ntchito ICMP protocol, amene ntchito ndi popereka mauthenga utumiki. Ulalo wosanjikiza ndondomeko pamene inu simungathe kulandira paketi anatumiza uthenga za ndikosatheka izi. The sender amachepetsa kukula kwa katundu ndi kutumiza kachiwiri. Komabe, si nthawi zonse ntchito. Nthawi zambiri zinthu Intaneti anakwanitsa olamulira aulesi kwambiri amene, m'malo chitetezo chabwino-konza, ali pa njira zosavuta, disabling, mu maganizo awo, ndondomeko zosafunika. Mwachibadwa, ICMP ndi m`modzi wa iwo. Ndipo palibe uthenga - palibe vuto, mapeto wosuta pa vuto munthu amagwiritsa analipira ntchito sali mu zonse.

Kwambiri ping-index

Ndipo onse adapita kukayikira kuti ndikhalirenji maganizo a wosuta luso thandizo ndi athandizi iliyonse, muyenera kudziwa mfundo yofunika - ndi ya ping lamulo - osati chizindikiro. Monga ntchito yake yaikulu ndi onani kupezeka kwa zipangizo, koma osati khalidwe la kulankhulana njira. Mungathe kutsimikizira izi wekha akuthamanga lamulo mwamsanga ya ping ya.ru. Yankho Pokwelera Server idzasimba kuti paketi kukula kwa 32 mabayiti chidatengedwa. Ndipo ngati inu kutumiza paketi kukhazikitsa mfundo 1500 mabayiti? Gulu lidzaonekera izi: ya ping ya.ru -f -l 1500. Kodi L - kukula kwa phukusi, f - chiletso kugawikana. Pangakhale mavuto kuyambira chisankho kulephera, zikuthera zomvetsa pa njira. Podziwa kuti mfundo zonse kuwapeza Intaneti, anasamutsira lalikulu phukusi kukhulupirira ya ping lamulo macheke njira kosathandiza. Mu nkhani iyi, paketi kukula - sikuti ndi phindu MTU, amene angathe kusintha kusintha ntchito Internet.

WOPEREKA mwayi

Chinthu choyamba kumvetsa zimene chizindikiro Zolemba Kufala Unit waikidwa pa WOPEREKA lapansi. Ngati Internet utumiki amaperekedwa ndi mwa kundipatsako chingwe "zopotoka awiri", popanda kasinthidwe aliyense network mavuto. Koma mu nkhani ya kutetezedwa PPPoE njira kapena pafupifupi payekha maukonde VPN, muyenera kukonzekera kuti simungakhoze kuchita popanda kuwachuna wa rauta ndi kompyuta. Mungasankhe kudziwa kukula olondola a phukusi, komanso yolondola vuto zambiri, ndipo idzafotokoza angapo njira yabwino kwambiri. Mwachibadwa, mungayesere WOPEREKA pa telefoni kupeza MTU atakhala ndi akalembetse pa rauta, koma N'zosavuta ndipo, nthawi zambiri, n'zosatheka chifukwa cha bwino otsika woyendetsa.

Mwina vuto lagona kwina

N'zotheka kuti kusowa kupeza masamba ena ukonde sadzafika chifukwa cha pachithunzichi MTU akhala mu rauta kuti hotfix uyu alibe mtendere. Muyenera kudziwa ndendende koyenera kupita. Kuti tichite zimenezi, wosuta ayenera kupita zoikamo rauta wanu ndi kuchepetsa kusakhulupirika MTU kwa 1400 mabayiti. Mukamaliza kupulumutsa ndi kutsegulaso kuyesa kupita ku gwero kufunika kachiwiri. Ngati vuto likupitirirabe, kubwerera kolowera pa malo m'chimake ndi kuyamba kufunafuna njira mu njira zina. Komabe, maganizo a owerenga ambiri, kusintha kukula pazipita phukusi mu mbali ang'onoang'ono amapereka zabwino ndi zinthu zonse, kuphatikizapo pakompyuta zilipo. Komabe, pali wina vuto - liwiro kugwa kwa kutsegula masamba ndi kukweza owona. Mukufuna kutsegula zoikamo rauta ndi zabwino-konza MTU.

Kuyambira mawu kanthu

Kulumikiza zoikamo, mufunika adiresi bala la osatsegula uliwonse ndi kulowa adiresi ya rauta ndi, pomenya malowedwe zenera, kulowa malowedwe wanu achinsinsi. Mwachibadwa, ngati zinthu zinalili ndi woyang'anira ku athandizi a mkati yamtunduwu ake ndi Kupha mavuto ntchito ndi Intaneti. Koma ena owerenga kudziwa leni akonzedwa achinsinsi ndi malowedwe kwa AP. Mulimonsemo sangathe popanda chilolezo cha vutoli, chifukwa magawo a rauta Sadzathandiza zilipo.

Potsilizira pake, palibe zochitika chiyembekezo. Mukhoza kupeza kuchokera zokonda zanu zopezera Wopereka, bwererani rauta kuti zoikamo fakitale ndi kugwira kugwirizana nokha. Pa TV malangizo okwanira pa atakhala hardware n'kofunika, osanenapo anamulondolera mtundu kuchokera Mlengi, amene angapezeke pa Websites nduna ya wogulitsa.

Kodi kupeza MTU pa rauta ndi

Wotchuka kwambiri mu Russia imatengedwa kuti ndi rauta D-Link, kotero zitsanzo zonse za kuchunidwa bwino adzakhala anafotokoza pamaziko a magwiridwe ake, omwe si makamaka osiyana routers ena. Kamodzi Zikhazikiko waukulu menyu chipangizo, maso chofunika kulipira pa katundu WAN mu "Network" gawo. Mfundo ndi udindo yomanga kugwirizana pakati pa rauta ndi athandizi hardware, ndi kukhalapo kwake chofunika chipangizo china chilichonse maukonde. Kamodzi menyu anakhumba, wosuta akhoza kupeza mankhwala ambiri amene ali ndi udindo wa "chikugwirizana". Zokonda ayenera kuperekedwa chakuti mbendera "kusakhulupirika pachipata". Akuchita anasankha pawiri cholozera. Mwa kuwonekera kwa "kusintha" (kapena "kuwonjezera" - uliwonse buku la dzina lawo), wosuta limalowera mu menyu kuchunidwa bwino. Pezani item mukufuna MTU chizindikiro. Kusintha kolowera ndi kuwonekera pa pensulo chizindikiro m'munda anasankha. Sankhani kukula ankafuna. Sungani zokonda ndi kuyambiransoko rauta lapansi.

Olondola zoikamo rauta ndi nthawi kubala zipatso

Kuika MTU pa rauta, monga mapulogalamu kuchita, ndi chinsinsi njira zambiri, anamanga pa Intaneti pafupifupi payekha. Komabe, anthu ochepa mukudziwa kuti kuchunidwa bwino kugwirizana Mkhalidwe chimadaliranso zinthu ziwiri zimene nthawi zonse pafupi MTU. Yoyenera kasinthidwe wa magawo onse vutolo mu intaneti kuti ndi avale thupi ndi misozi. Rauta D-Link, Zuxel, Cisco, Linksys, ndi zina zipangizo zina amadziwitsidwa wodzazidwa ndi magawo zofunika. Zikatero, kusintha kolowera si ofunika monyinyirika.

  1. Khalani Amoyo. Pangani maukonde pafupifupi nthawi zonse anakhalabe ndi rauta, chifukwa mphamvu ya magetsi azima.
  2. LCP imeneyi. chizindikiro Izi mwachindunji masekondi ndi kuyika pafupipafupi pempho kwa rauta kuti zida WOPEREKA kuti ntchito mayeso njira.
  3. LCP kwalephera. Chizindikiro, amene amalola kuti kusagwirizana kwa WOPEREKA zida kukhazikitsa latsopano, apamwamba kwambiri kulankhulana njira ngati kusakhulupirika kwa anatumiza phukusi zingapo m'mbuyomo.

mfundo Intaneti payekha

Ngati simukufuna kuchita zinthu zatsopano paokha, adziwe kukula yoyenera ya MTU, mungathe kugwiritsa ntchito specifications luso zotchulidwa mu mfundo.

  1. PPPoE kugwirizana. Pakuti aliyense paketi opatsirana angagwirizanitse deta awo pofuna kupewa ngozi, wotchedwa chamutu wa. mutuwu amatenga aliyense paketi 8-mamvekedwe, kusiya njira amatha kupatsira 1492 mabayiti. Omangika pa ntchito luso ndi ADSL, motero, chifukwa zoikamo modemu kusintha MTU kutero.
  2. Private VPN ndi maukonde PPP. Apa MTU Pamlingo waukulu zimadalira hardware Seva, uli kulumikiza. Pambuyo WOPEREKA Komanso, pawiri ndi angagwiritsidwe ntchito mogwirizana ndi kaphatikizidwe kamakompyuta pa ogwira ntchito kupyolera kulumikiza akumidzi. Chizindikiro 1400 mabayiti imatengedwa zabwino, koma yokhudza kuchunidwa sikuti mukulakwitsa.

Mapulogalamu kuthandiza

Kudziwa chofunika kukula kwa MTU popanda choti rauta, mukhoza ndipo mothandizidwa ndi pulogalamu. Mwachitsanzo, TCP Optimizer pulogalamu amachita computations palokha pa kulankhulana njira ndi amapereka zotsatira kwa wosuta ndi malongosoledwe wathunthu vuto. Ndi yabwino, koma gwero-tima. Ndipotu, muyenera kupeza pulogalamu, download, kukhazikitsa ndi kumvetsa ntchito zake. Ndi kumvetsa, wosuta aliyense mudzaona kuti ntchito amagwiritsa banal ya ping wa gwero pa Intaneti. Iwo likukhalira kuti mukhoza kudziwa MTU ku mzere lamulo? Mosavuta, basi ayenera kuchepetsa kukula kwa phukusi ndi chimodzi mpaka Seva ayankhe si zabwino - ya ping ya.ru -f -l 1499.

Ambiri mapulogalamu mankhwala zoikamo maukonde kupereka bwino nyimbo dongosolo ndi kusintha mu kaundula, kupereka makiyi wapadera zida maukonde. magwiridwe akuti mu injini za m'ma m'mbuyomu, koma kachitidwe kamakono opaleshoni amatha okha kuti azolowere njira anakhazikitsa kulankhulana ndi zina kwa dzuwa la kuchunidwa bwino pambuyo rauta ndi chofunika kuti kuyambitsanso kompyuta lapansi.

pomaliza

Atalandira zokhudza MTU pa rauta, kodi ndi momwe zabwino-konza zida, mukhoza chitani zimene mwachindunji umalimbana patsogolo Mwachangu kulankhulana njira. Komabe, musanayambe kugwira ntchito, muyenera kudziwa kuti si routers onse amakulolani kusintha makhalidwe ake. Mwachitsanzo, ZTE kampani, unkadziŵika 3G-modemu, ankaona kuti kolowera MTU akuphwanya malamulo aliyense mkati chitetezo. Choncho, kusintha zoikamo anakhumba pamanja ndithu. Akatswiri amalangiza kukhazikitsa zipangizo kugula WOPEREKA, kapena kugula osachepera kugwirizana kusankha katundu Intaneti.

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