Taƙaitaccen hanyar DMVPN da taswirar taƙaitaccen NHRP: tebura daban-daban
Taƙaitaccen hanya yana canza prefix ɗin da ake sanarwa da hop na gaba. Taswirar taƙaitaccen NHRP tana canza abin da amsar warwarewa ke dawowa. Kalma ɗaya, tebur daban.
Wani ya roƙe ka ka taƙaita spoke-ɗin, sannan tikitin ya rufe da ƙarancin prefix a kan hub. Bayan mako ɗaya zirga-zirgar reshe-zuwa-reshe da take tafiya kai tsaye ta sake wucewa ta hub, kuma babu wanda ya haɗa canje-canjen biyu. Kalmar taƙaita spoke-ɗin tana ɗauke da ayyuka biyu daban-daban da suka shafi tebura biyu daban-daban. Faɗi wace yanayi kake ragewa kafin ka aro umarni daga wani misalin DMVPN.
Alamar: zirga-zirgar spoke kai tsaye ta koma hub
Bambancin ya fi muhimmanci sa’ad da ake amfani da tattaunawar Phase 2 a kan ƙirar Phase 3. Ƙarya ɗaya ce a duka tattaunawar biyu, kuma tasirin kan turawa ba ɗaya ba ne.
Shi ya sa ma canjin ya yi kama da daidai lokacin da aka duba shi: dubawar ta duba teburin turawa, wanda ɗaya ne kawai daga cikin yanayi uku da abin ya shafa.
Haɗawa ɗaya, tebura biyu
Ayyukan biyu suna kama da haka:
| Operation | What it actually changes |
|---|---|
| Routing summary | Aggregates the prefixes the routing protocol advertises and changes the next hop the receiver installs |
| NHRP summary map | Changes the network returned in a resolution reply, so a requesting spoke resolves to a different address |
| Protection path | IPsec state for the peer you actually resolved; neither aggregation changes it |
Taƙaitaccen hanya magana ce kan abin da hub ke sanarwa da abin da spoke mai karɓa ke girka a matsayin hanya. Taswirar taƙaitaccen NHRP magana ce kan amsar da spoke ke aikawa sa’ad da wani spoke ya tambayi yadda za a isa wani adireshi. Waɗannan tambayoyi ne daban-daban da hanyoyin gazawa daban-daban, kuma ƙira na iya canza ɗaya tare da barin ɗayan daidai yadda yake. Ɗaukar su a matsayin lever ɗaya shi ne yadda canjin haɗawa ke zama canjin turawa a hankali.
Babu ɗaya daga cikin ayyukan biyu da yake magana kan hanyar kariya, domin ana tattauna ta ne don peer ɗin da ka warware da gaske.
Abin da taƙaitaccen hub ke canzawa a zahiri
Jagorar Cisco kan taswirorin taƙaitaccen NHRP tsakanin spoke-ɗi yana bayyana tsarin Phase 3 inda hub ke sanar da taƙaitacce kuma ya kasance hop na gaba na turawa. Sake turawa da warwarewar NHRP daga baya sukan ba da hanyar turawa kai tsaye. Don haka karanta hanyar da aka haɗa kawai ba ya bayyana dukan yanayin turawa, kuma ba ya nufin kowane fakiti dole ya bi ta hub har abada. Taƙaitaccen game da isarsu ne, ba game da hanyar ba.
Shi ya sa duba ƙira da ke tsayawa a teburin turawa na iya amincewa da canjin da ke canza halayen warwarewa. Duba hanyar da aka zaɓa, sakamakon NHRP da hanyar kariya a matsayin abubuwan lura uku daban-daban.
Idan ba za ka iya cewa wanne daga cikin ukun ya canza ba, ba ka gama canjin ba.
Abin da taswirar taƙaitaccen NHRP ke canzawa
Ɗauki spoke da ke da 10.32.0.0/19 ta hanyoyin LAN da yawa da suka fi takamaimai, yayin da hub ke sanar da babban haɗi ga sauran spoke-ɗin. Neman 10.32.12.10 in ba haka ba zai sami bayanin warwarewa na ƙaramin cibiyar da ya dace. Fasalin taswirar taƙaitaccen NHRP da aka rubuta yana barin spoke ya mayar da prefix ɗin rufewar da aka saita maimakon haka, wanda zai iya rage aikin warwarewa mai maimaitawa ga cibiyoyin da suka mallaki wannan spoke. Wannan ba ya mai da taƙaitaccen hanyar hub da taƙaitaccen warwarewar spoke abu ɗaya.
Ba wa wannan prefix ɗin rufewa ingantaccen tsarin mallaka. Faɗin amsa da ya haɗa da adireshi na wani wuri, ko gibin da ba a isa ba, na iya tura zirga-zirgar gaba zuwa peer mara dacewa.
Duba ainihin hanyoyi da abubuwan da aka yi niyyar ƙi kafin ka faɗaɗa prefix ɗin, ba bayan ba.
Kwatanta manufa ta farko da ɗaya cikin taƙaitaccen
Zaɓi manufofi biyu: na farko da ka gwada, da wani da ke cikin taƙaitaccen da aka tsara. Ga kowanne, rubuta hanyar da aka zaɓa, yanayin NHRP da aka yi amfani da shi don isa gare ta, da ainihin hanyar amsa. Wannan kwatancen zai gaya maka ko ka canza ma’aunin turawa, ma’aunin warwarewa, ko kuskuren turawa, kuma wannan ita ce kawai amsar mai amfani. Nuni da ƙarancin prefix ba hujja ba ce ga ɗaya daga cikinsu.
Tabbatar da fasalin da aka tura da halayen hop na gaba na ka’idar turawa kafin ka yi amfani da misalin Phase 3 a kan cibiyarka. Gajeren misali ba hujja ba ce cewa wata ƙira tana kiyaye irin wannan hanyar spoke kai tsaye.
Tikitin ya kamata ya faɗi wane tebur ka rage da wane ka bar shi. Duk abin da bai kai haka ba za a sake gano shi daga farko cikin wata ɗaya.