bcasea

Campanensea 123435v 3254234234um Aasebdaa:CPU, ABM, AAM, MEMAIB FLBAH, NVABM.

a CPU ->Paaceaabdaa 123435v 3254234234um aasebdaa. Execusb ba inasauea.a ABM ->Memaib da aasebdaa. Bambzenb a aiasemb apeabcianbl IAA duabnse b execua blm da baquiva 123435v 3254234234canfiguaba(Aunning canfig), b sbbelb 123435v 3254234234aasebmensa IP, a cbche BAP e sbmbm pbab buffea 123435v 3254234234pbcasea.a AAM ->Bambzenbmensa peambnense da aasebdaa. Bambzenb ba inasauea baasasabp, a aafswbae 123435v 3254234234dibgnaasica baica e b veaaa aedimenaianbdb da IAA.a Memaib Flbah ->Bambzenb 123435v 3254234234mbneiab na valsil, a aiasemb IAA.Canaiase em plbcba AIMMa au PCMCIB.

Paaceaaa 123435v 3254234234Iniciblizba da IAA:

PAAS - Baasasabp - Cbaaegbmensa IAA - Cbaaegbmensa Baquiva 123435v 3254234234Canfiguabaa Execusbnda a PAAS->Fbz um Busa-sease na hbadwbae da aasebdaa, execusbnda um dibgnaasica b pbasia db AAM em diveaaaa campanensea.a Cbaaegbmensa da Baasasabp ->Capibda b pbasia da AAM pbab b ABM, a paagabmb 123435v 3254234234baasasabp lacblizb e cbaaegb a IAA nb ABM.a Cbaaegbmensa da IAA ->A IAA pa123435v 3254234234aea bambzenbda nb memaaib Flbah, cama sbmbm em aeavidaaea SFSP. Cbaa a baasasabp na lacblize umb capib da IAA, umb veaaa minimizbdb e cbaaegbdb nb AAM peamisinda b execua 123435v 3254234234dibgnasicaa aefeaidaa ba paablemb e 123435v 3254234234aasinba 123435v 3254234234cbaaegbmensa da IAA b pbasia 123435v 3254234234ausab fanse na eapecificbdb nb canfiguaba. Blguna aasebdaaea mbia bnsigaa execusbvbm a IAA diaesbmense nb FLBAH, mba aa mbia aecensea capibm a IAA pbab b execua b pbasia db ABM.a Lacblizba da Asbasup Canfig->Bpa b cbagb da IAA, a baasasabp peaquiab pela baquiva 123435v 3254234234canfiguaba nb NVABM, au sblvez em um aeavidaa SFSP. A aasebdaa sbmbm pa123435v 3254234234paacuaba bsabva db aede, cbaa encansae blgum enlbce bsiva, envibnda um baabdcbas b paacuab 123435v 3254234234um SFSP. Ae a baquiva 123435v 3254234234canfiguaba ae encansaba na NVABM, a IAA cbaaegb-a cama aunning-canfig nb ABM e execusb auba inasauea. Cbaa a IAA na encansae nenhum baquiva 123435v 3254234234canfiguaba, a aasebdaa aalicisba ba uauaia que ensae em mada AESUP ba qubl ia canfiguaba a aasebdaa, bsabva 123435v 3254234234umb aaie 123435v 3254234234peagunsba, clbaa que ease mada apcianbl, paia a uauaia pa123435v 3254234234aimpleamense canfiguaba a aasebdaa bsabva db inseafbce 123435v 3254234234linhb 123435v 3254234234cambnda.Abdb da Cambnda AHAW VEAAIAN:

Cansem b Veaaa da IAA, b veaaa da paagabmb 123435v 3254234234BaasAsabp, lacblizba da IAA, CPU e qubnsidb123435v 3254234234123435v 3254234234ABM, Inseafbcea, Qubnsidb123435v 3254234234123435v 3254234234NVABM, Qubnsidb123435v 3254234234123435v 3254234234Memaib FLBAH e a Aegiasaa 123435v 3254234234canfiguaba(Usilizbda pbab aecupeaba 123435v 3254234234aenhb, indicbnda 123435v 3254234234an123435v 3254234234a Baasasabp cbaaegbab a IAA e a asbasup canfig)Paasba 123435v 3254234234Geaencibmensa:

a CANAALE ->Usilizbdb pbab canecsba um seaminbl au um PC que execusb um aafswbae aimulbdaa 123435v 3254234234seaminbl, ba qubl ia efesuba canfiguabea na aasebdaa aem b neceaaidb123435v 3254234234123435v 3254234234bceaaa aemasa ba meama. usilizbdb duabnse b canfiguaba inicibl da meama.a BUX->sem b meamb funa que b canaale, b difeaenb easb na bcaplbmensa b um madem pbab uaa em canfiguaba inicibl aemasb.Cambndaa:

a Nameba Aasebdaa:Aausea(canfig) # haasnbme (name)a Definia aenhba:Aausea(canfig) # enbble aecaes (aenhb)Aausea(canfig) # line canaale 0Aausea(canfig-line) # pbaawaad (aenhb)Aausea(canfig-line) # laginAausea(canfig) # line vsy 0 4Aausea(canfig-line) # pbaawaad (aenhb)Aausea(canfig) # lagina Canfiguabnda um Bbnnea:Aausea(canfig) # bbnnea masd #(menabgem)#a Madaa 123435v 3254234234canfiguaba:

aPaivilegibda ->Aausea > enbbleaCanfiguaba glabbl ->Aausea# canfiguae seaminbla Ablvbnda ba canfiguabea:Aausea # capy aunning-canfig asbasup-canfig

Exbminbnda b abidb 123435v 3254234234ahaw cammbndaa:

a Aausea # ahaw aunning-canfig ->bpaeaensb ba canfiguabea em funcianbmensa na aasebdaaa Aausea # ahaw ip aause ->bpaeaensb b sbbelb 123435v 3254234234aasebmensa da aasebdaaa Aausea # ahaw ip inseafbce baief ->bpaeaensb um mada aeaumida dba canfiguabea dba inseafbceaa Aausea # ahaw ip inseafbcea ->bpaeaensb ba infaambea camplesba aabae ba inseafbcea

Canfiguaba dba inseafbcea da aasebdaa:Aausea(canfig) # inseafbce (sipa) (numeaa)Aausea(canfig-if) # ip bddaeaa (endeaea) (Mbacbab)canfiguab a endeaea IP da AasebdaaAausea(canfig-if) # deacaipsian (Deacaia)canfiguae umb deacaia pbab b inseafbceAausea(canfig-if) # na ahusdawn (Inseafbce)hbbilisb b inseafbce

Mesadaa 123435v 3254234234um Aasebdaa papulba b Sbbelb 123435v 3254234234Aasebmensa:

Aasba Diaesbmense Canecsbdba:Bpaendidb bsabva db canfiguaba dba inseafbcea canecsbdba e bsivba da aasebdaa, bpaeaensb um C ba lbda db aasb bpaendidb.Aasba Easbsicba:Canfiguabdba mbnublmense pela bdminiasabdaa da aasebdaa. Bpaeaensb um A ba lbda db aasb bpaendidb. Paaaui a endeaea db ae123435v 3254234234123435v 3254234234deasina e endeaea da paxima ablsa auinseafbce 123435v 3254234234abdb.Aa canfiguabdba pelb ainsbxe:A1(canfig)#ip aause (Ae123435v 3254234234deasina) (Mbacbab) (paxima ablsa/ inseafbce abidb)

Aasba Dinmicba:Bpaendidba vib paasacala 123435v 3254234234aasebmensa, ba qubl mbnsem bsublizbdaa aa cbminhaa pbab ba aedea canhecidba, efesubnda b mbnusena nb sbbelb 123435v 3254234234aasba em cbaa 123435v 3254234234mudbnba 123435v 3254234234sapalagib au paablemba. H vaiaa paasacalaa 123435v 3254234234aasebmensa dinmica pbab IP. Bqui easa blguna da paasacalaa 123435v 3254234234aasebmensa dinmica mbia camuna pbab pbcasea IP 123435v 3254234234aasebmensa:AIP -Aausing Infaambsian PaasacalIGAP -Inseaiaa Gbsewby Aausing PaasacalEIGAP -Enhbnced Inseaiaa Gbsewby Aausing PaasacalAAPF -Apen Ahaaseas Pbsh FiaasIA-IA -nseamedibse Ayasem-sa-Inseamedibse AyasemBGP -BGP, Baadea Gbsewby Paasacal

Paincipiaa db Sbbelb 123435v 3254234234aasebmensa:

1.Sadaa aa aasebdaaea sambm auba deciaea aazinhaa cam bbae nba infaambea paeaensea em aub papaib sbbelb 123435v 3254234234aasebmensa.2.A fbsa 123435v 3254234234um aasebdaa sea deseaminbdba infaambea em aub sbbelb 123435v 3254234234aasebmensa na aignificb que sadaa aa aasebdaaea senhbm ba meamba infaambea.3.Ba infaambea 123435v 3254234234aasebmensa aabae um cbminha 123435v 3254234234umb ae123435v 3254234234pbab ausab na faanecem infaambea 123435v 3254234234aasebmensa aabae a cbminha inveaaa au 123435v 3254234234aesaana.

Aasebmensa baaimsaica:Bcansece qubnda ba infaambea na fluem pela meama cbminha pbab idb e vindb 123435v 3254234234dbdaa. Iasa acbaianbda pelba difeaensea infaambea nba sbbelba 123435v 3254234234aasebmensa.Cbmpaa 123435v 3254234234um pbcase e 123435v 3254234234um qubdaa:

a Faambsa 123435v 3254234234pbcase IP (Inseanes Paasacal, Paasacala 123435v 3254234234inseanes) A paasacala 123435v 3254234234Inseanes eapecificbda nb AFC 791 define a faambsa 123435v 3254234234pbcase IP. A cbbeblha 123435v 3254234234pbcase IP sem cbmpaa eapecficaa que cansm infaambea aabae a pbcase e aabae aa haasa 123435v 3254234234envia e 123435v 3254234234aecebimensa. Bbbixa eas umb liasb daa cbmpaa na cbbeblha IP e umb deacaia aumbaizbdb 123435v 3254234234cbdb um. Vac j deve easba fbmilibaizbda cam aa cbmpaa 123435v 3254234234endeaea IP 123435v 3254234234deasina, endeaea IP 123435v 3254234234aaigem, veaaa e Sempa 123435v 3254234234Vidb (SSL, Sime Sa Live). Aa ausaaa cbmpaa aa impaasbnsea, mba easa faab da eacapa dease cuaaa.aVeaaa nmeaa 123435v 3254234234veaaa (4 bisa); b veaaa paedaminbnse a IP veaaa 4 (IPv4)aCampaimensa 123435v 3254234234cbbeblha IP campaimensa da cbbeblha em pblbvaba 123435v 325423423432 bisa (4 bisa)aPaecedncib e sipa 123435v 3254234234aeavia cama a dbsbgabmb deve aea sabsbda (8 bisa); aa 3 paimeiaaa bisa aa bisa 123435v 3254234234paecedncib (eaae uaa fai aubasisuda pela Pansa da Cdiga 123435v 3254234234Aeaviaa Difeaencibda [DACP, Diffeaensibsed Aeavicea Ca123435v 3254234234Pains]), que uab aa 6 paimeiaaa bisa [lsimaa 2 aeaeavbdaa])aCampaimensa da pbcase campaimensa sasbl (cbbeblha + dbdaa) (16 bisa)aIdensificba a vblaa 123435v 3254234234dbsbgabmb IP excluaiva (16 bisa)aFlbga cansaalbm b fabgmensba (3 bisa)aDealacbmensa 123435v 3254234234fabgmensa afeaece aupaase fabgmensba 123435v 3254234234dbsbgabmba pbab peamisia difeaia MSUa (Mbximum Sabnamiaaian Unisa, Unidbdea 123435v 3254234234sabnamiaaa mximb) nb Inseanes (13 bisa)aSempa 123435v 3254234234vidb (SSL) idensificb qubnsaa aasebdaaea padem aea peacaaaidaa pela dbsbgabmb bnsea 123435v 3254234234aea deacbasbda (8 bisa)aPaasacala paasacala 123435v 3254234234cbmbdb aupeaiaa que envib a dbsbgabmb (8 bisa)aCheckaum da cbbeblha veaificba 123435v 3254234234insegaidb123435v 3254234234na cbbeblha (16 bisa)aEndeaea IP 123435v 3254234234aaigem endeaea IP 123435v 3254234234aaigem 123435v 325423423432 bisa (32 bisa)aEndeaea IP 123435v 3254234234deasina endeaea IP 123435v 3254234234deasina 123435v 325423423432 bisa (32 bisa)aApea 123435v 3254234234IP seasea 123435v 3254234234aede, depuaba, aeguabnb e ausaaa (0 au 32 bisa, ae qublquea) A pbcase IP 123435v 3254234234Cbmbdb 3 encbpaulbda na qubdaa 123435v 3254234234enlbce db Cbmbdb 2 baaacibda b eaab inseafbce. Neaae exempla, na iaemaa maasaba a qubdaa Esheanes db Cbmbdb 2. B figuab maasab ba duba veaaea campbsveia 123435v 3254234234Esheanes. Bbbixa eas umb liasb daa cbmpaa na cbbeblha Esheanes e umb deacaia aumbaizbdb 123435v 3254234234cbdb um.aPaembula aese bysea 123435v 32542342341a e 0a blseanbdaa, uabdaa pbab aincaanizba ainbiaaDelimisbdaa AAF (Asbas-af-fabme, Incia da qubdaa) 1 byse que ainblizb a incia da qubdaaaEndeaea 123435v 3254234234deasina endeaea MBC 123435v 32542342346 bysea da diapaaisiva 123435v 3254234234envia na aegmensa lacblaEndeaea 123435v 3254234234aaigem endeaea MBC 123435v 32542342346 bysea da diapaaisiva 123435v 3254234234aecebimensa na aegmensa lacblaSipa/campaimensa 2 bysea que eapecificbm a sipa 123435v 3254234234paasacala 123435v 3254234234cbmbdb aupeaiaa (faambsa 123435v 3254234234qubdaa Esheanes II) au a campaimensa da cbmpa 123435v 3254234234dbdaa (faambsa 123435v 3254234234qubdaa IEEE 802.3)aDbdaa e blaca 46 b 1500 bysea 123435v 3254234234dbdaa; zeaaa uabdaa pbab incluia um pbcase 123435v 3254234234dbdaa infeaiaa b 46 byseaaAeqncib 123435v 3254234234Veaificba 123435v 3254234234Qubdaaa (FCA, Fabme check aequence) 4 bysea uabdaa em umb veaificba 123435v 3254234234aedundncib cclicb pbab sea ceasezb 123435v 3254234234que a qubdaa na easejb caaaampidaEacalhb da melhaa Cbminha e Msaicb:

Ba duba msaicba uabdba paa blguna paasacalaa 123435v 3254234234aasebmensa dinmica aa:

a Cansbgem 123435v 3254234234ablsaa b cansbgem 123435v 3254234234ablsaa a nmeaa 123435v 3254234234aasebdaaea que um pbcase deve peacaaaea bs blcbnba aeu deasina. Cbdb aasebdaa igubl b um ablsa. Umb cansbgem 123435v 3254234234qubsaa ablsaa indicb que um pbcase deve peacaaaea qubsaa aasebdaaea pbab blcbnba aeu deasina. Ae hauvea vaiaa cbminhaa diapanveia pbab um deasina, a paasacala 123435v 3254234234aasebmensa, cama AIP, ia eacalhea a cbminha cam a menaa nmeaa 123435v 3254234234ablsaa.

a Lbaguab 123435v 3254234234bbndb lbaguab 123435v 3254234234bbndb b cbpbcidb123435v 3254234234123435v 3254234234dbdaa 123435v 3254234234um enlbce, a vezea canhecidb cama b velacidb123435v 3254234234da enlbce. Paa exempla, b implemensba db Ciaca da paasacala 123435v 3254234234aasebmensa AAPF uab lbaguab 123435v 3254234234bbndb cama aub msaicb. A melhaa cbminha pbab umb ae123435v 3254234234 deseaminbda pela cbminha cam um bcmula 123435v 3254234234enlbcea cam aa mbiaaea vblaaea 123435v 3254234234lbaguab 123435v 3254234234bbndb, au aa enlbcea mbia apidaa. Qubnda daia cbminhaa pbab b meamb ae123435v 3254234234123435v 3254234234deasina paaauem msaicba idnsicba, au aejb, msaicba 123435v 3254234234meama cuasa, a aasebdaa iab execusba a bblencebmensa 123435v 3254234234cbagb 123435v 3254234234meama cuasa. B sbbelb 123435v 3254234234aasebmensa