Pakete tracer. Lab : Ho lokisa litsela tse phaphametseng tse phaphametseng

Topology ea marang-rang

Pakete tracer. Lab : Ho lokisa litsela tse phaphametseng tse phaphametseng

mesebetsi

  1. Ho theha Tsela e Tloaelehileng ea Motheo
  2. Ho tsamaisa tsela e phaphametseng
  3. Ho etsa liteko ho fetohela tseleng e phaphametseng ha tsela e kholo e hloleha

Boitsebiso bo tloaelehileng

Kahoo, pele, mantsoe a seng makae mabapi le hore na tsela e tsitsitseng esita le e phaphametseng ke efe. Ho fapana le dynamic routing, static routing e hloka hore u iketsetse tsela e lebang marang-rang a itseng. Tsela e tsitsitseng e phaphametseng e thusa ho fana ka mokhoa oa ho boloka sebaka sa marang-rang haeba tsela ea mantlha e hloleha.

Re sebelisa marang-rang a rona e le mohlala, "Border Router" ho fihlela hajoale e na le litsela tse hokahaneng ka kotloloho ho marang-rang a ISP1, ISP2, LAN_1 le LAN_2.

Pakete tracer. Lab : Ho lokisa litsela tse phaphametseng tse phaphametseng

Ho theha Tsela e Tloaelehileng ea Motheo

Pele re bua ka tsela ea bekapo, re lokela ho qala ka ho haha ​​tsela e kholo. Etsa hore tsela e ka sehloohong e tsoang ho router e ka thōko e tsamaee ka ISP1 ho ea Inthaneteng, 'me tsela ea ISP2 e tla ba bekapo. Ho etsa sena, beha tsela e sa fetoheng ho router ea moeli ka mokhoa oa tlhophiso ea lefats'e:

Edge_Router>en
Edge_Router#conf t
Edge_Router(config)#ip route 0.0.0.0 0.0.0.0 s0/0/0 

moo:

  • li-bits tsa pele tse 32 tsa li-zero ke aterese ea sebaka seo u eang ho sona;
  • likotoana tsa bobeli tsa 32 tsa zero ke mask a marang-rang;
  • s0/0/0 ke segokanyimmediamentsi sa sehokelo sa sephethephethe sa router, se hokahaneng le netweke ea ISP1.

Taba ena e bontša hore haeba liphutheloana tse fihlang moeling oa router ho tsoa LAN_1 kapa LAN_2 li na le aterese ea sebaka seo u eang ho sona e seng tafoleng ea litsela, li tla fetisetsoa ka s0/0/0.

Pakete tracer. Lab : Ho lokisa litsela tse phaphametseng tse phaphametseng

Ha re hlahlobeng tafole ea ho tsamaisa router ebe re romella ping ho seva sa marang-rang ho tsoa ho PC-A kapa PC-B:

Pakete tracer. Lab : Ho lokisa litsela tse phaphametseng tse phaphametseng

Pakete tracer. Lab : Ho lokisa litsela tse phaphametseng tse phaphametseng

Rea bona hore mokhoa o sa fetoheng oa ho kena o kentsoe tafoleng ea ho tsamaisa (joalo ka ha ho pakoa ke S * ho kena). Ha re latele tsela ho tloha ho PC-A kapa PC-B ho ea ho seva sa Marang-rang:

Pakete tracer. Lab : Ho lokisa litsela tse phaphametseng tse phaphametseng

Hop ea pele e tsoa ho PC-B ho ea atereseng ea IP ea lehae ea router 192.168.11.1. Hop ea bobeli e tsoa ho router ea moeli ho ea ho 10.10.10.1 (ISP1). Hopola, re tla bapisa liphetoho hamorao.

Ho tsamaisa tsela e phaphametseng

Kahoo, tsela e kholo ea static e entsoe. Ka mor'a moo, re theha, ha e le hantle, tsela e tsitsitseng e phaphametseng ka marang-rang a ISP2. Mokhoa oa ho theha tsela e phaphametseng e sa fetoheng ha e fapane le ea kamehla e sa fetoheng, ntle le hore ea pele e boetse e bolela sebaka sa tsamaiso. Sebaka sa tsamaiso se bolela boemo ba ho tšepahala ha tsela. 'Nete ke hore sebaka sa tsamaiso sa tsela e tsitsitseng e lekana le e le' ngoe, e bolelang hore ke ntho ea bohlokoa ka ho fetisisa ho feta mekhoa ea tsamaiso e matla, eo sebaka sa eona sa tsamaiso se leng seholo ka makhetlo a mangata, ntle le litsela tsa sebaka seo - ho bona e lekana le zero. Ka hona, ha u theha tsela e tsitsitseng e phaphametseng, u lokela ho bolela sebaka sa tsamaiso se seholo ho feta se le seng, mohlala, 5. Kahoo, tsela e phaphametseng e ke ke ea e-ba le eona pele ho tsela e kholo ea static, empa nakong ea ho se fumanehe ha eona, tsela ea kamehla. e tla nkoa e le eona e ka sehloohong.

Pakete tracer. Lab : Ho lokisa litsela tse phaphametseng tse phaphametseng

Syntax ea ho hlakisa tsela e phaphametseng e tsitsitseng ke e latelang:

Edge_Router(config)#ip route 0.0.0.0 0.0.0.0 s0/0/1 5

moo:

  • 5 ke boleng ba sebaka sa tsamaiso;
  • s0/0/1 ke sebopeho se hlahisoang sa router e ka thōko e hokahantsoeng le marang-rang a ISP2.

Ke rata ho bolela hang-hang hore Ha tsela e kholo e ntse e sebetsa, tsela e phaphametseng e ke keng ea hlahisoa tafoleng ea ho tsamaisa. Ho kholisa haholoanyane, ha re bontsheng litaba tsa tafole ea ho tsamaisa ka nako eo tsela e kholo e leng maemong a matle:

Pakete tracer. Lab : Ho lokisa litsela tse phaphametseng tse phaphametseng

U ka bona hore tafole ea ho tsamaisa e ntse e bonts'a tsela ea mantlha e sa fetoheng e nang le sebopeho sa sephetho sa Serial0/0/0 mme ha ho litsela tse ling tse sa fetoheng tse bonts'itsoeng tafoleng ea ho tsamaisa.

Ho etsa liteko ho fetohela tseleng e phaphametseng ha tsela e kholo e hloleha

'Me joale tse thahasellisang ka ho fetisisa: Ha re etsise ho hloleha ha tsela e kholo. Sena se ka etsoa ka ho tima sehokelo boemong ba software, kapa ho tlosa feela khokahano lipakeng tsa router le ISP1. Tlosa sebopeho sa Serial0/0/0 sa tsela e kholo:

Edge_Router>en
Edge_Router#conf t
Edge_Router(config)#int s0/0/0
Edge_Router(config-if)#shutdown

... 'me hang-hang u mathe ho ea sheba tafole ea routing:

Pakete tracer. Lab : Ho lokisa litsela tse phaphametseng tse phaphametseng

Setšoantšong se ka holimo, u ka bona hore ka mor'a hore tsela e kholo ea static e hlōlehe, sebopeho se hlahisoang ke Serial0/0/0 se fetotsoe ho Serial0/0/1. Mothating oa pele oo re ileng ra o matha pejana, hop e latelang ho tloha ho router e ka pele e ne e le ho aterese ea IP 10.10.10.1. Ha re bapise liphetoho ka ho ts'oara hape re sebelisa mokhoa oa ho boloka:

Pakete tracer. Lab : Ho lokisa litsela tse phaphametseng tse phaphametseng

Hona joale phetoho ho tloha ho router e ka thōko ho ea ho seva sa marang-rang e sebelisa aterese ea IP 10.10.10.5 (ISP2).

Ehlile, litsela tse sa fetoheng li ka bonoa ka ho bonts'a tlhophiso ea router ea hajoale:

Edge_Router>en
Edge_Router#show run

Pakete tracer. Lab : Ho lokisa litsela tse phaphametseng tse phaphametseng

Source: www.habr.com

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