System i

⌠⌠TCP/IP ePu@q¡

6 1

System i

⌠⌠TCP/IP ePu@q¡

6 1

N

ΩTΣΣúºeA²\¬ 33yNzñΩTC

A≤ IBM i5/OS (ús 5722-SS1) 6 1 h 0AHß≥Mq (úDsñtⁿ)CDA≤δⁿOqú (RISC) ≈¼M CISC ≈¼C

© Copyright International Business Machines Corporation 1998, 2008. All rights reserved.

²

TCP/IP ePu@q¡ . . . . . . . 1V6R1 sW\α . . . . . . . . . . . . . 1uTCP/IP ePu@q¡v PDF . . . . . 2U TCP/IP e\α . . . . . . . . . . 2]Bz . . . . . . . . . . . . . . . . 2@δeWh . . . . . . . . . . . . . . 3esu\αΦk . . . . . . . . . . . . . 4I∩Isuiµe . . . . . . . . . 4Proxy RqT≤we . . . . . . . . 7zql⌠⌠ . . . . . . . . . . . . . 8

Ae . . . . . . . . . . . . . . . 9⌠ΩTqT≤w . . . . . . . . . . . 9±u⌠u² . . . . . . . . . . 10

⌠s . . . . . . . . . . . . . . 13LOí⌠e . . . . . . . . . . 14Ω IP e . . . . . . . . . . . 15e . . . . . . . . . . . . . . . . 15⌠α½iµe . . . . . . . . . . 16 NAT . . . . . . . . . . . . . 16J≡ NAT Bz (ΣL) . . . . 17

≈≡ NAT Bz . . . . . . . . 18A NAT . . . . . . . . . . . . . 18RA NAT . . . . . . . . . . . . . 19

OptiConnect Φiµe . . . . 20TCP/IP P OptiConnect . . . . . . . . . 20Ω OptiConnect Φiµe 21

TCP/IP u@q¡Φk . . . . . . . . . . 23DNS ¼tⁿ¡ . . . . . . . . . . . . 23½e¼tⁿ¡ . . . . . . . . . . 23Ω IP Proxy ARP Ftⁿ¡ . . . 24

ΩdGΩ IP Proxy ARP iµtdóΓ . . . . . . . . . . . . . . . . 27∩iµóΓ . . . . . . 30nMµiµóΓ . . . . . 30

uTCP/IP ePu@q¡v÷ΩT . . . . 30

². N. . . . . . . . . . . . 33í]pΩT . . . . . . . . . . . . 34 . . . . . . . . . . . . . . . . . 34° . . . . . . . . . . . . . . . . . 35

© Copyright IBM Corp. 1998, 2008 iii

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iv System i: ⌠⌠ TCP/IP ePu@q¡

TCP/IP ePu@q¡

ziHtπXe\αe¡t TCP/IP ΩΘAH°ú∩í⌠DC

ePu@q¡ΦkHIΩTúiH≤UzAiHbtW∩CC@ΦkúH@

íA²zXp≤iµsuCoΦkú]AtmeN÷ⁿCDDXJIOehH

zD@ºA²zα≤aBtC

≤oΦk∩z½n

oΦkñNAiHCzπΘsu¿A]ziHí⌠M°ACo

eΦkAzNiH±@ IP A]ziH≤vΦízªC\¬u@q¡ΦkßAz

NiH¡tWqTu@qú¬πΘtαC

V6R1 sW\α

¬÷≤ TCP/IP eu@q¡DDXsW½j≤ΩTC

ΣseqT≤w

w i5/OS® @tHΣu±u⌠u² (OSPF)veqT≤wC±u⌠u² (OSPF) O@

¼A⌠qT≤wAbPñ⌠t@αíP¼AΩwC

Ω IP [j\α

HUOvT TCP/IP eu@q¡DDXΩ IP [j\αG

v wΩ IP ΣH]A IPv6 C

v uI∩IqT≤w (PPP)v Layer Two Tunneling Protocol (L2TP) iH IP @ IP

A∩suúeC

v ϕΩ IP b@ñAziHtmΩ IP Proxy ARPC

ziHb 15yΩ IP ez 15yezDDñΣo IPv6 [j\αC

Oⁿstⁿ¡Φk

÷M∩ V6R1 ÑAΩ IP Proxy ARP @tⁿ¡ΦkwgúO±A²Otⁿ¡Φkb

ºeúO²boσ≤ñCwsW 24yΩ IP Proxy ARP Ftⁿ¡zDDo

tⁿ¡ΦkC

p≤dsW≤\α

F≤UztXN≤ºBAΩTñG

v AsW≤ΩTlmC

v AsW≤ΩT⌠mC

b PDF ñAziH\¬Σqu (|) ñ÷≤sW≤ΩTC

p÷sW\α≤ΣLΩTA\²C

© Copyright IBM Corp. 1998, 2008 1

uTCP/IP ePu@q¡v PDF

ziH°CLΩT PDF C

Yn°Uⁿσ≤ PDF A∩ TCP/IP ePu@q¡ ( 1.40 MB)C

xs PDF

YnN PDF xsbzu@WAHK≤°CLAG

1. bs²ñH½kΣ÷@U PDF C

2. ÷@U∩Hxs PDFC

3. s²znxs PDF ²C

4. ÷@UxsC

Uⁿ Adobe Reader

znbtWw Adobe® Reader α°CL PDFCziHq Adobe ⌠ (www.adobe.com/products/

acrobat/readstep.html) KOUⁿC

÷

30yuTCP/IP ePu@q¡v÷ΩTz

ΣLΩTñDDX]t TCP/IP eu@q¡DDX÷ΩTC

U TCP/IP e\α

bzpe\αºeATwztOTAαΣzn⌡µ\αC

V3R1GRAe¼]αC

V3R7/V3R2GΣuCu⌠⌠⌠⌠qT≤w (SLIP)vBProxy RqT≤w (ARP) eAHs

su⌠⌠

V4R1GA⌠ΩTqT≤w 1 (RIPv1)C

V4R2GA⌠ΩTqT≤w 2 (RIPv2)Bzql⌠⌠H½e¼tⁿ¡

V4R3GΩ IP BIP B⌠α½ (NAT) HLOí⌠e (CIDR)

V4R4GIP over OptiConnect

V5R4GnMµ

V6R1Gu±u⌠u² (OSPF)veqT≤wΣ IPv6 Ω IP

]Bz

i@BA]BzLAiH≤UzMwp≤Ω@e\αC

UCyπϕ i5/OS @t¼ IP ] (Ω]) oΦCΩWyiα

úPAúLΣGPCUCΦuíw]]BzΩdCpGiÑeNA]B

zΦíiαyLúPC

2 System i: ⌠⌠ TCP/IP ePu@q¡

|

RZAJW523-0

IP*YES

²AN IP YñaAMtWwwq±CpG]PX]aOb

ztWANN]e IP ∩W@hnΘAp TCPAMßAeÑa≡íC

pG]úQ⌠ⁿAo⌡µU@dO IP αCpG IP α] *YESAϕoí

tOtm⌠@α]CpGb TCP/IP PPP ]wñAN] *NOANN

]RC

N]aMztw *DIRECT ⌠±Co kON]aA]A

bwwqº *DIRECT en²ⁿwl⌠⌠BnñAPw]aOMts

⌠⌠CdAqSw⌠ldAAdúSw⌠C

MßApG i5/OS SsD≈ANjMeϕCqSwDqú (l⌠⌠Bn 255.255.255.255)

ldA@úSw⌠ (l⌠⌠Bn 0.0.0.0) εCpGΣ⌠ANN]αU@⌡D

IhDC

yß@IπApGΣúen²ANR]C

@δeWh

oWhA@δ TCP/IPAH i5/OS @tW TCP/IPC

TCP/IP ePu@q¡ 3

YnztW]AϕzbtWΩ@e\αAnoWhCoWhiH≤UzP

tW]o≥¼pAH]hVCNjíWh@AoWh]C

v ztS IP Fu IP C

: tuQⁿúΩ IP (Lsu) C

v @δÑApGztWwqa IP AtNBz IP AúsiJ]

≤C

oípOpGOMssA IP NAT Lob@ñA]iαQα

eA]iαQ≤C

v IP Bnwq[⌠⌠C

v qteX⌠AO[⌠∩C∩⌠OUCG

– ⌠sjMG⌠Bl⌠⌠⌠Hw]⌠C

– bP@sñA∩πl⌠⌠Bn⌠C

– Y⌠úPANCXtⁿ¡N@∩C

– ⌠iHΓsWA]iHtAsWC

esu\αΦk

etdBz⌠⌠ΘqΣΣaºíAϕ⌠AH⌠sΦíC

I∩Isuiµe

I∩IsuAiHqteΩtAOq⌠⌠eΩ⌠⌠C

I∩IsuqOzLs⌠⌠ (WAN)ANΓítsCziHI∩IsuAqzto

ΩtAOq⌠⌠oΩ⌠⌠CúnNI∩IsuQ¿OuI∩IqT≤wvC

uI∩IqT≤w (PPP)vO@I∩Isu¼AqNqús⌠⌠⌠Cp÷p≤]wz

PPP suΩTA\ PPP su@C

I∩IsuiHbu⌠BDµ½íu⌠AHΣL¼⌠⌠ (pATe)CΓΦíAiHN

IP tmiµI∩IsuGssussuCpPΣWϕAssuOw∩C@A

wq@@ IP CssuúbsuñB IP C

s⌠⌠su

qϕWAtmI∩IsuµΦkAⁿGOssuCssuO@I∩IwqAªw∩

suC@Awq@@ IP C

HUObsI∩IsuAN@½IG

v suC@ú@@ IP C

v ztñ[Je»zíANΩΘtC

v z⌠⌠zzI∩IC

v usΓítNiαC

ϕzbtWwqI∩IsuAbC@wqen²Aíp≤Fsut@⌠≤⌠⌠CtW

e∩⌡α≤Cú@ IP Cz⌠⌠zzoM⌠Cbp¼⌠⌠ñA

oú°lABúhBC²Obj¼⌠⌠ñAiαnπl⌠⌠A¼

≈wqC@C

4 System i: ⌠⌠ TCP/IP ePu@q¡

UπΓ System i™ ¡xºís⌠⌠suCpGzuQb AS1 M AS2 ºíiµqTANún

en²CpGnMb⌠⌠ (10.1.2.x) ñtqTANbC@ítñ[Jñπen²C

oO]⌠⌠ 10.1.2.x O 192.168.1.x su@íC

s⌠⌠su

ssuwqI∩IsuΦkAn±ssu°\hCúLAziαossuz⌠⌠A

±µnC

i5/OS We∩⌡α≤Wπ@ IP CbssuñAI∩IS@Cb

ssuñAt IP ΩWNOt IP C

bssuN½IpUG

v I∩IOb⌠⌠ñC

v tñúne»zíC

v ≤ú IP A]⌠⌠ze÷C

bUCdñAAS1 b 10.1.4.x ⌠⌠ñA AS2 b 10.1.3.x ⌠⌠ñC AS1 10.1.3.1

s LAN ⌠⌠ 10.1.3.xC]AAS1 NiHM 10.1.3.x ⌠⌠ñ⌠NtqTC

TCP/IP ePu@q¡ 5

RZAJW502-0

10.1.3.110.1.4.1

10.1.4.110.1.3.1

AS1 AS2

10.1.4.x255.255.255.0

10.1.4.110.1.3.1

10.1.3.x255.255.255.0

.1.1

dñ]π AS2CAS2 10.1.4.1 s LAN ⌠⌠ 10.1.4.xC]AAS2 NiHM 10.1.4.x ⌠

⌠ñ⌠NtqTCCít (AS1 M AS2) úN[JΣeϕñA@@Co

HSϕΦíBzA]a]ANúbBzCa]Q±mb

ñAΘsut@Cϕ]ΦFsut@AN]BzC

bAznN AS1 s 10.1.4.x ⌠⌠AN AS2 s 10.1.3.x ⌠⌠CpGoΓítObP@

BAziHbCtñ[J@i LAN tdANsíJT LAN YiCo kA

AS1 M AS2 NúnsW⌠≤en²CúLAbdñAoΓítObΓúP½ñA]z

nI∩IsuC÷MnI∩IsuAziαMµKen²CNuI∩IqT≤w

(PPP)vsuwqssuAoGPz LAN tdA²Oúbtñ[J⌠≤en²

GPCYn o@IACítúnt IP Aiµ⌠RC

ssuPssuΩy±

UπbsPsI∩IsuñCWbíπssuAiHt

192.168.1.2 10.1.2.1 qtCoO]b AS3 ñ@en²Aen²Na 10.1.2.1

]AV 192.168.1.2 @U@⌡DIC≡]AO¼]wCUbíπ

ssuC≈≡]O 10.1.3.1AaO 10.1.4.1CbΓítWúúnen²A

]ΓítúI∩IsutAM⌠⌠πC

6 System i: ⌠⌠ TCP/IP ePu@q¡

ּ

PPP su

Proxy RqT≤we

uProxy RqT≤w (ARP)viHbΩ≈⌠⌠ºíAúsu\αA²ún⌠≤sΦ

⌠⌠A]ún≤s⌠≤eϕCDD]tzql⌠⌠íAzql⌠⌠O Proxy ARP eNW

µC

ARP ei²Ω≈úP⌠⌠A¿nObP@Φ⌠⌠@CªiH²⌠⌠ (LAN) W

tHSs LAN ts LANCo kU≤bΩdñAúqs

π⌠⌠CUπ@iαΩdC 10.1.1.x Oz LANA10.1.1.65 10.1.1.68 Oz

tC

TCP/IP ePu@q¡ 7

LAN

RZAJW500-0

10.1.1.6810.1.1.66.4.3

10.1.1.6710.1.1.65

.5

10.1.1.x255.255.255.0

.2

Proxy ARP

ϕz LAN (10.1.1.x) W@ítneΩΣñ@ítA²úX ARP nDCos

es LAN qtAnDotCstúosC²OpG

Proxy ARPAtDtOqsCpGzt ARP nDOw∩Σñ@íqs

≈AztNH≈ ARP nDCzt¼ΩANΩα

tCYnαiµα@AIP α] *YESCpGztSsuAtNLk

ARP nDAoXnDt]NúeXΩC

zql⌠⌠

iHzql⌠⌠ Proxy ARP ºCziHzql⌠⌠@πl⌠⌠@Dqúd≥

ProxyCzql⌠⌠iH²q⌠⌠qDn⌠íoⁿúC

zql⌠⌠A≤N@íDqúsπl⌠⌠@Dqúd≥CziHbUñq⌠⌠ (10.1.1.x

10.1.3.x) ≥ⁿúDn⌠í (10.1.x.x) C

zql⌠⌠\αiHi@BXRBz≤Ω LANCzL WAN ¿zql⌠⌠AiH⌠

⌠s⌠⌠CbWñAT⌠⌠zL System i ¡xs 10.1.x.x ⌠⌠Co⌠⌠

8 System i: ⌠⌠ TCP/IP ePu@q¡

úOl⌠⌠BnwqA]⌠⌠iHªC Proxy ARP ∩ 10.1.1.xB10.1.2.x H 10.1.3.x

l⌠⌠ñtA⌠⌠ñ⌠≤ ARP nDCo@⌠⌠ΩΘe⌠⌠

ñtCtNΩeTtCtBzΩA≥NΩα

LAN TtC LAN ñu@@w]⌠AⁿVbΣ⌠⌠tA@@

⌡DIhDCb LAN u@hún⌠≤Ben²A]oúsΦ⌠⌠C

Ae

AeO@C@ΦkAiHbz⌠⌠≤A½stmeϕC

AeOuíhDqT≤w (IGP)vúCu⌠ΩTqT≤w (RIP)vu±u⌠u² (OSPF)v

qT≤wO i5/OS @tΣΓ IGPC

⌠ΩTqT≤w

⌠ΩTqT≤w (RIP) OZ≈VqeqT≤wC⌡µZ≈VqqT≤w⌠ANªbe≤sT

ºñííeϕeFC

ziH RIPANDqútm RIP ⌠⌠@íCo¼en@ABiHbz⌠⌠

≤⌠⌠qTε½stmeϕCRIPv2 w[J System i úA]ziHe¼ RIP ]

≤sπ⌠⌠⌠C

bUñAñít (AS1) [JF@RA⌠Aíg AS2 s⌠⌠ 10.1.1.x suCoORA

⌠ (z⌠⌠z[J)AB⌠½se]uOvCo]woo⌠MΣL⌠M

t@A]ϕ⌠Mtπa 10.1.1.x ΩΘANΩΘezñí

System i ¡x (AS1)CAS2 wgetA]ªiHe¼ RIP ΩTCbdñAAS1 e

TºO AS2 π 10.1.2.x suC

UCBzíWñΩΘeC

TCP/IP ePu@q¡ 9

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v AS1 q AS2 ¼@ RIP ]A[HBzCpG AS1 ñSF 10.1.2.x ⌠AªNxso

⌠CpG AS1 F 10.1.2.x ⌠AB⌠πP⌡DIAªN≤os⌠

ΩTCbdñAAS1 Od⌠ΩC

v AS1 q R1 ¼ 10.1.5.x ⌠ΩTCAS1 Od⌠ΩTC

v AS1 q R2 ¼ 10.1.3.x ⌠ΩTCAS1 Od⌠ΩTC

v AS1 Ue RIP TºAªeΩT R1Aí AS1 DA²O R1 iαúDsuCAS1

e÷ 10.1.1.xB10.1.2.x H 10.1.3.x ⌠ΩTA AS1 úe÷≤ 10.1.4.x ΩT R1A]

AS1 D R1 s 10.1.4.xA]ún⌠CªeⁿΩT R2 M AS3C

±u⌠u²

±u⌠u² (OSPF) Ouu⌠u² (SPF)vtΓkAw∩ IP ⌠⌠o¼AeqT

≤wCOSPF OuíhDqT≤w (IGP)vC

b OSPF ⌠⌠ñAPñ⌠t@P¼AΩwAΩwíC

ñC@⌠túqªPñΣL⌠t¼u¼As

(LSA)vAHqª¡ú LSA úΣ¼AΩwCLSA O]Aª]tF⌠¿÷

ΩTC¼AΩwAC@⌠túHª¡@A SPF tΓkpΓu⌠≤Z

≡¼cC

OSPF πUCDnuIG

v bPZ≈VqeqT≤w (pAu⌠ΩTqT≤w (RIP)v) ¼±ßAOSPF AX≤j¼Bº

Φ¼p⌠⌠Cϕ⌠⌠≤AOSPF iHbuí½spΓ⌠C

v OSPFAziHNuDt (AS)v¿HAHC OSPF eΩΘ

C@¼AΩwjpC

v OSPF úP¿h½⌠eCziHúPU@ñsW½e TCP ∩C

OSPF Hello qT≤w¼AΩwµ½

b OSPF ⌠⌠ñ⌠tTOª¡\αºßA²e Hello ]AMßbª OSPF

W Hello qT≤wFCFOπiHs⌠⌠⌠tCbºßA

F⌠tµ½ª¼AΩwAHF÷YC

Uíb 9.7.85.0 l⌠⌠ñAw∩ΓtFHF÷YBzCC@túπs

l⌠⌠ 9.7.85.0 OSPF (t A 9.7.85.1At B 9.7.85.2)Cl⌠⌠ 9.7.85.0

≤ 1.1.1.1C

10 System i: ⌠⌠ TCP/IP ePu@q¡

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EXSTART Ñq

oO¼AΩwµ½nBJCΓt≤≤ODntA≤OlhC

EXCHANGE Ñq

Γtµ½uΩwív]AHdXC@t¼AΩw]A LSACC@t

úN]Abª¡¼AΩw LSA xsb½sΘMµñC

LOADING Ñq

C@túeu¼AnDv]AnDF (bñt@t) b EXCHANGE Ñ

qíNxsb½sΘMµñπ LSA eªCFu¼A≤sv]ñ LSA

nDC

FULL Ñq

ϕΓt¿µ½ LSAABª¼AΩwwPBºßAKΓtºíF÷

YC

1. OSPF Hello qT≤wΩwµ½

TCP/IP ePu@q¡ 11

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bñ⌠tºíF÷YºßAñC@⌠tKwe LSA

@ΣF÷YAO°iΣ¼A≤C± LSA PwF÷YΦíAñ⌠ti

H≤ABa≤sª¼AΩwC

ⁿⁿú⌠≈ⁿⁿú⌠

bΓ[⌠h½s OSPF ⌠⌠ñA⌠ Hello qT≤w∩wⁿⁿú⌠≈

ⁿⁿú⌠C(h½s⌠⌠O@hmiHPBsqT⌠⌠)C

ⁿⁿú⌠πh½s⌠⌠ú LSAA LSA Θ⌠⌠ñΣL⌠AHMw⌠

¿FC⌠⌠ñΣL⌠úFⁿⁿú⌠Cⁿⁿú⌠C⌠⌠⌠⌠ΩΘ

¼AΩwjpC

≈ⁿⁿú⌠PΣL⌠S⌠≤úPAúFªnP⌠⌠ñ⌠F÷Yº (]Aⁿ

ⁿú⌠)Cϕµⁿⁿú⌠oGAN≈ⁿⁿú⌠¿ⁿⁿú⌠C

b 1 ñA9.7.85.0 l⌠⌠Oe⌠⌠C]A9.7.85.0 l⌠⌠ñ⌠ Hello qT≤w∩wⁿⁿ

ú⌠≈ⁿⁿú⌠CbdñAt A Q∩wⁿⁿú⌠At B Q∩w≈ⁿ

ⁿú⌠C

N OSPF AS ¿

P RIP úPAOSPF iHbÑhñ@CÑhñjΩΘO ASCAS O@PzU⌠⌠sAΣ@@

PeªñCAS iH¿AzL⌠sCOs≥⌠⌠[D≈s

¿CΩΘúCPñ⌠πP¼AΩwCiC

eΩΘεA¼AΩwpC

b OSPF ΣABNosDF⌠⌠⌠uΣ⌠vCuΣ⌠

vπhishA@C@¼AΩwC

bUñAwtmΓ ( 1.1.1.1 2.2.2.2)Ct B OuΣ⌠vAπs

1.1.1.1 9.7.85.2 Hs 2.2.2.2 9.5.104.241Ct B Γ¼AΩwAC

U@Ct B zL 9.7.85.2 b 1.1.1.1 ñPt A ⌠ C F÷YAzL

9.5.104.241 b 2.2.2.2 ñPt D F÷YC

12 System i: ⌠⌠ TCP/IP ePu@q¡

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ּ

±u⌠u² (OSPF)

⌠s

⌠siH²zεn@AeXΩT]C

bn⌠sºeALkεn@eXΩT]Cun⌠s

v[JsW⌠\αAiH∩neX]≤hεA]ªiH²zTaN⌠P

sC

bUñA 3 sP@⌠⌠CFOúO@¼J≡nDAúiHNe

PAzC@sW½eCbdñA[JF 3 w]⌠FC@⌠úTaM@

úPsCú⌠≤AosúúC

2. N OSPF AS ¿

TCP/IP ePu@q¡ 13

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DNS

DNS

MyServer 208.222.150.10

MyServer 10.6.7.3Default1Default2Default3

10.6.7.310.6.7.210.6.7.1

688

10.6.7.x10.6.7.3

10.6.7.210.6.7.1

RZAJW524-0

NAT

LOí⌠e

uLOí⌠eviHYεeϕjpABiHbz°ú≤h IP C

uLOí⌠ev(CIDR W⌠⌠) ONO C d≥AJP@⌠⌠⌠@

ΦkCoeΦk[JO C ⌠⌠⌠qT≤w (IP) CoO⌠⌠⌠A (ISP) ú

ßC CIDR iHYεeϕjpABiHbz°ú≤h IP C

bLhAznΘJ@l⌠⌠BnAoBnÑ≤j≤⌠⌠OnBnC∩O C ÑAo

ϕiHⁿwjl⌠⌠]253 íDqú) O 255.255.255.0CFOd IP Aϕqn⌠⌠Dqú

WL 253 A⌠⌠⌠NoXO C CoípetmMΣL@≤[x°C

bACIDR iHzLl⌠⌠BnANos≥O C JP@⌠d≥C±ΦíApGz

o 4 O C ⌠ (208.222.148.0B208.222.149.0B208.222.150.0 H 208.222.151.0ABl⌠⌠Bn

255.255.255.0)AzNiHnDz⌠⌠⌠A (ISP) l⌠⌠Bn 255.255.252.0ANo⌠ ¿

@W⌠⌠CoBnN 4 ⌠⌠X@⌠⌠ñA@eºC CIDR BjA]ªiHε

wⁿúA²oún IP C

210.1.3.0255.255.255.0

210.1.5.0255.255.255.0

210.1.4.0255.255.255.0

RIP210.1.0.0

255.255.240.0

210.1.0.0 - 210.1.15.0

RZAJW519-0

10.2.3.0255.255.255.0

10.4.5.0255.255.255.0

bdñA⌠]we@h RIP TºAΣ⌠ 210.1.0.0ABl⌠⌠Bn 255.255.240.0CoO

iztnzLo⌠Ab⌠⌠ 210.1.0.0 210.1.15.0 ºíA¼ RIP TºCoΦkAu

e@hTºAúS CIDR Ae 16 hTºePΩTC

14 System i: ⌠⌠ TCP/IP ePu@q¡

Ω IP e

Ω IP SuLq⌠ (circuitless)vujΘ (loopback)vAoO@jj\αAiHú@Φí

ⁿú@htA²únNsΩΘC

pGznP⌡µthAⁿVúPAn⌡µnsw]≡ΣLAANiHo\

αCnΩ IP jí⌠úO]nbhDP System i ¡xºíúh⌠ApAiµ

tⁿ¡PeCb⌠wqñAC⌠útⁿ@BANOtWBDΩ IP ApU

C

10.3.2.x

10.3.2.110.3.2.210.3.2.3

208.222.150.129

- -

10.3.2.1

10.3.2.2

10.3.2.3

208.222.150.129

AS1

AS2

208.222.150.129

oh½sbAuαb⌠⌠WoXCzúµ²ßDth IP C]

AzQ kO²Lµ@ IP °ztCßúJ≡]p≤gLhDA

qL⌠⌠AetCFoΦíNOΩ IPCß⌠@ΩΘ IP

MtqTAMßuαΩ IP C

Ω IP ⌠On²t@qsߺ°AC≤½n@IOΩ IP ObMΩΘú

Pl⌠⌠WCPAΩ IP iH²ztO@íDqúAúOs@j¼⌠⌠l⌠

⌠°AC]AΩ IP l⌠⌠Bnq] 255.255.255.255C

≤Ω IP Ssµ@ΩΘA]tú∩Ω IP úXuRqT≤w

(ARP)vnD XAúDz∩Ω IP Proxy ARPC½yíA Proxy ARP A

iHNϕΩ IP ARP nDChAtNwqqV⌠CzbiHbΩ IP

@ñAtmªΩ IP Proxy ARPC

bezdñAu@íⁿVtWΣñ@ 10.3.2 A@ªU@⌡DIhDCϕ]ΦF

tA]NiJ]BzCpGaXtWwq⌠N (]AΩ IP b)A

tNBz]C

⌠Wt (DNS) °AnDºtCbípUAúNϕP@tCbNhí

tX@íj¼tAzNiHΩ IP \αC

bAΩ IP Σ]A IPv6 C

e

Ω IP t@OK≤Dⁿ⌠Gy¿lCeπ⌠oGºßAiµú

PΦíC

TCP/IP ePu@q¡ 15

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dπ⌠oGºßAiiµúPΦíCiasuAObtWwqΩ IP C

Ω IP ΣAYGAÑq@iHúPA≥iµqTC

10.1.1.x

IP10.2.1.1

RZAJW512-0

R1

R2

10.1.1.1

10.1.1.210.1.1.3

pG⌠ R1 GAo≥íp

v zL R1 suA∩zL R2 ½seC

v GhD R1 wAúL@ñsu≥zL R2 iµC

pG 10.1.1.1 GAo≥íp

v αóM 10.1.1.1 @ñsuAúLΣLM 10.1.1.2B10.1.1.3 H 10.2.1.1 ºísu≥C

v ⌠½ssG

– V4R2 ºeGí⌠½ss 10.1.1.2 10.1.1.3C

– V4R2GpGunsv] NONE A⌠½ssC

– V4R3 ≤sGnwq 10.2.1.1 @Ω IP HDntC

- tDn IP M@ñC

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bAuI∩IqT≤w (PPP)v Layer Two Tunneling Protocol (L2TP) iH IP @

IP A∩suúeC

⌠α½iµe

⌠α½ (NAT) iµeAzú²iHs⌠⌠ (pA⌠⌠⌠)AαM⌠⌠W IP

BnO@zM⌠⌠C

NAT ú²iHs⌠⌠ (qO⌠⌠⌠)APSαNzb⌡≡ IP BnAO

@M⌠⌠C

NAT NATAi²zM⌠⌠⌠bPsßA]iHQeC

b\h¼pUAsOu⌠⌠⌠A (ISP)vⁿúAYObuI∩IqT≤w

(PPP)vsuñAhoiHOACoα½¼uαbqM⌠⌠lAOí⌠⌠

suCC@≈≡suúOaúP IP ≡@C

NAT i5/OS @tA²πM IP u@P⌠⌠⌠WDqú¼qTCi5/OS

ISP ⁿú IP A@Σ⌠⌠⌠hDCustv@ⁿOⁿbí⌠⌠WtA

úªsΦk≤ (⌠⌠s⌠⌠)A]úsuZ≈°uCuítv@ⁿhOⁿb⌠

⌠⌠WtCUí NAT p≤B@C

16 System i: ⌠⌠ TCP/IP ePu@q¡

|

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∩⌠⌠⌠ÑAzu@NpP]tbztñF]NOíAu@ IP PztMu@

ú÷pCϕ⌠¼]Ozu@AP¼]í LAN AN

]eC

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e i5/OS ANbSwqTsu (≡) Mu@ºí]w∩÷YC NAT \αxs≡A]

ϕΣbsuW¼∩zu@]ANiHNeTu@C

NAT w∩@ñ≡suAHsu⌠@esíA@O²CbsuómWL@

qwwíßAómNOwgúAsueúUAwMúsuoO²C

zu@M⌠⌠⌠ºíqTAústlCoΦíOvw⌡

≡F]⌠⌠⌠úDu@sbA]]NLkNe⌠⌠⌠WC

Ω@ NAT @÷ΣnAOΦs≡A NAT zLoXΦs≡AUqTΩyC

TCP ñ]tMa≡CNAT boⁿw≡ñA[J@Φ≡C

J≡ NAT Bz (ΣL):

oBzO≈≡ NAT Bzt@bAª∩≈≡TºAoTu@Ω

TC

bWñJ≡TºAOq⌠⌠⌠ezM LAN @]CNJ≡Ω]ÑAΣa≡NO

≡C (∩J≡TºÑAΣ≡NOí≡C∩≈≡TºÑAΣa≡NOí≡)C

q⌠⌠⌠TºYsstAK@ⁿúΦ≡A@ΘhY

a≡C NAT J≡BzBJpUG

1. NAT bΣΩwñAjMΦ≡ (≡)CpGΣúΦ≡AN]]OYNn

Rú]AN]úhIsC]NQϕ@O@δaú]BzC

TCP/IP ePu@q¡ 17

2. pGiHΣΦ≡AN i@BdAP IP OTΩXΦ≡ϕµ

ºa IP CYANHlt≡N IP Yñ≡CpGod

óANN]úhC

3. N IP m≤] IP aC

4. MßΦíAH IP TCP Bz]AeTstC≤ NAT n@Φ

≡PTMa≡A] NAT LkBz⌠⌠⌠BYNQRúΩ]C

≈≡ NAT Bz:

qM LAN eTº⌠⌠⌠A@Φ≡AN≈≡Tº≡C

bWñ≈≡TºAOqM LAN e⌠⌠⌠@]C≈≡Tº (qí) ñA]tlu

@≡C NAT xsoXABbΘYñA@@Φ≡[HNCN≈≡

Ω]ÑAΣ≡NO≡C NAT ≈≡BzBJpUG

1. ≈≡ NAT Bz]ª¼ IP ]AúOsí IP A]ªúd]P

]One⌠C

2. Φ≡bΘhH IP M≡jMCpGΣANH∩Φ≡N

≡CpGΣú≡ANs≡A∩sΦ≡N≡C

3. α½ IP C

4. IP ΦíBz]AN]eTítC

A NATA NAT uαqM⌠⌠⌠⌠suC

iµ≈≡suA@⌠xsCCsuúQⁿú@@CPsuW¡

AÑ≤xsñCoNOºí@∩@∩÷YCA NAT izLA NAT

AM⌠⌠⌠qTCUíA NATC

18 System i: ⌠⌠ TCP/IP ePu@q¡

10.1.1.xLAN

RZAJW508-0

.5

.4

.2

.1

.3

10.1.1.5

10.1.1.3

10.1.1.3

10.1.1.5

10.1.1.3

204.146.18.33 204.146.18.33

204.146.18.33204.146.18.33

208.222.150.129

208.222.150.129

208.222.150.130

208.222.150.129

208.222.150.130

208.222.150.130

204.146.18.33 204.146.18.33

204.146.18.33204.146.18.33

10.1.1.5

204.146.18.33

208.222.150.2255.255.255.128

ISP ISP

NAT

RA NATRA NAT iHbq⌠⌠iJM⌠⌠AJ≡suC

RA NAT O@MPµ@∩@∩MCΣq⌠⌠iJM⌠⌠J≡suAN

n\αCbwqC@ñAún@÷ps@C

TCP/IP ePu@q¡ 19

10.1.1.xLAN

RZAJW525-0

.5

.4

.2

.1

.3

10.1.1.2

10.1.1.5

10.1.1.5

10.1.1.2

10.1.1.5

204.146.18.33 204.146.18.33

204.146.18.33204.146.18.33

208.222.150.2

208.222.150.2

208.222.150.5

208.222.150.2

208.222.150.5

208.222.150.5

204.146.18.33 204.146.18.33

204.146.18.33204.146.18.33

10.1.1.2

204.146.18.33

208.222.150.129255.255.255.128

ISP ISP

NAT

ּ

23yDNS ¼tⁿ¡z

ziHbzJ≡u@qñA DNS ¼tⁿ¡C pGßntⁿ¡A DNS tⁿ

¡C

OptiConnect Φiµe

OptiConnect iH¬tyAsh System i ¡xCOptiConnect PΦiHúΣ

L⌠A²z Proxy ARPBI∩IHΩ IP e≥ªC

TCP/IP P OptiConnectziHwq TCP/IP sugL OptiConnect yCTCP/IP over OptiConnect út@Φkem⌠A

p Proxy ARPBsI∩I⌠⌠HΩ IP C

ziH OptiConnect LAN tm OptiConnect I∩ItmAtm TCP/IP gL OptiConnectC

OptiConnect LAN tmAOptiConnect yNOs TCP/IP LANApUC

otmÑe÷ AúL LAN OptiConnect su\αúOA]osunu⌠ΩTqT

≤w (RIP)vRA⌠C

20 System i: ⌠⌠ TCP/IP ePu@q¡

RZAJW517-0

10.1.2.1

10.1.2.7

10.1.2.2

10.1.2.4

10.1.2.9

AS1

10.3.42.x

10.3.42.95

OptiConnect LAN

OptiConnect

10.3.42.177 10.3.42.176

OptiConnect I∩Itmw∩C@ OptiConnect Dqú∩tmI∩IsCoΦíú

s⌠⌠A] LAN OptiConnect su\αOCotmΣñ@uIOúnwqB⌠

CbúP⌠⌠WDqúºísuAúOCt@uIOpGΓ⌠⌠úb@ñAhbt

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y÷¼AΩΘN½O⌠ LANC

OptiConnect I∩ItmΩ IP OsI∩Itm@íCCϕzbsI∩IACúⁿw@÷pCoObI∩ItAOt IP C

o÷piαOtDn LAN ApWC]iHΩ IP @÷p

C

bΩ IP OptiConnect I∩ItmñA OptiConnect y@I∩IsuXCzn∩C

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@⌠is⌠≤@b i5/OS @tW⌡µtC

Ω OptiConnect Φiµe

bΦñACtúΦa¿híΩtCΩ OptiConnect TCP/IP O@

ºíqT⌠C

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TCP/IP eíXqΣL⌠ΦíAMqΩΘ OptiConnect ysΣLt⌠

SΓC

TCP/IP ePu@q¡ 21

10.6.7.x

RZAJW515-0

10.6.7.244 D

10.6.7.243 C

10.6.7.242 B

10.6.7.241 A

DCBAA

OptiConnect = 10.6.7.241 - 10.6.7.25414

10.6.7.24410.6.7.24310.6.7.24210.6.7.24110.6.7.3

*OPC*OPC*OPC*OPC

TRNLINE

255.255.255.240255.255.255.240255.255.255.240255.255.255.240255.255.255.0

MTU40964096409640964096

(= 10.6.7.3)

OptiConnect 10.6.7.3

OptiConnect TCP/IP

bodñAtñuw@i LAN tdCoi LAN tdOM A sCb LAN

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ql⌠⌠C LAN ⌠ 10.6.7.xCzΓn[JBA]Nn@ IP CFo 12

Azl⌠⌠Bn 255.255.255.240Col⌠⌠BniHú 10.6.7.241 10.6.7.254 ºí

A@ 14 iCzTw LAN ñSoCooºßANⁿú

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ϕUC°≤¿ANzql⌠⌠C@AΩ OptiConnect yp≤Ñ≤Ω LAN W

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zql⌠⌠C 10.6.7.3 w∩wqA⌡µ Proxy \αC]ALAN WßNi

HsC

22 System i: ⌠⌠ TCP/IP ePu@q¡

TCP/IP u@q¡Φk

u@q¡ONsqc½tW⌠⌠ΘMu@q½shBzBhidhíDt

WC

Yno i5/OS @tiααANnNqTu@qtUíC

úP TCP/IP eΦkiH¡tu@qC

DNS ¼tⁿ¡

ziHbzJ≡u@qñA DNS ¼tⁿ¡CpGßntⁿ¡A DNS tⁿ¡C

DNS ¼tⁿ¡O≤J≡tⁿ¡Cb DNS ñAµ@DtWtmhDqú IP CDNS b

ß≥ßDqúWRnDñA½Dqú IP Cotⁿ¡ΦkuIANO@δ DNS

\αCoMΦIOßiH IP ABoOsu¼MΦAúOtⁿ¼MΦC

Ftⁿ¡@ΦkAO DNS \αAw∩PtWXhCCϕw∩ztW

O²úXnDADNS Nú@úP IP CbUCdñAC@ú∩@úP

tC]AzNiHbΓúPtñAútⁿ¡CpGObM⌠⌠WßAªC@

nDú¼úPCoNO@δ DNS \αCNA DNS ]ΓCo

RA NAT α½A]ϕzb⌠⌠⌠WAzNiHsoΓtC

pGzísSwtAOblsuºß≡PtAh⌠M⌠Ng¿b

iµpºßeúPtWCMyServer1 208.222.150.10 H MyServer2 208.222.150.11 iHsW

B DNS C]A⌠bpºßANiHⁿV MyServer2Cotⁿ¡ΦkAOzLsun

Dú¡CqAbRºßAßNABúACotⁿ¡Φkú

eC@tΩΘqCNAotⁿ¡ΦkuJ≡ΩΘA]bP@ít

WiHΓtdAúOΓtdbΓítWC

ּ

19yRA NATz

RA NAT iHbq⌠⌠iJM⌠⌠AJ≡suC

½e¼tⁿ¡

ziH½e¼tⁿ¡A¡≤Vh≈≡u@qC

TCP/IP ePu@q¡ 23

oO@su¼MΦAoΦk± DNS ¼tⁿ¡≤uA²úA≤ßCotⁿ

¡ΦkuIOªO i5/OS πΘMΦAª± DNS ≤πuABAX≤πjq≈≡Ω

ΘíAO HTTP M TelnetCªIOªOsu¼MΦ (úOtⁿ¼MΦ)AoΦkúA

≤ßAB∩J≡nD]S@C

bUCdñAbztW 3 tdABúsP LAN qCzu]wΣñ@td@

J≡u⌠A]wΣLΓtdh@≈≡u⌠Cß≥HMHPΦíB@C]NOíA

≈≡MJ≡PCOoAßOⁿún⌠NiHs⌠NtCpGOµ½

AúO⌠AoiHOj¼⌠⌠C

ziHusW TCP/IP ev(ADDTCPRTE) ⁿOO System i ΓΦtm½e¼t

ⁿ¡CziH]w½eu²nsF¿o@CpG½eu²Od

w] 5Ahúiµ⌠≤@CpG]wj≤ 5AsuNbπPu²⌠ºíeC

nsOzL IP sY⌠PSwC

bezdñAuJ≡vtd (10.6.7.3) ½⌠u²O 6CΣLΓtdtm⌠u²O

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nnsAbC@Wwq@w]teXw]⌠C

Ω IP Proxy ARP Ftⁿ¡

ziHΩ IP Proxy ARP FMhtⁿ¡Cu@q¡ΦkΣJ≡≈≡u@qC

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v ªΣJ≡≈≡u@qC

v ªΣßC

v ªú± DNS ¼½e¼tⁿ¡Φk≤huC

24 System i: ⌠⌠ TCP/IP ePu@q¡

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suqTtⁿúⁿC

UCdiΩ IP íuICFn∩C@ís@Ω IP Aodú

FJ≡M≈≡su¡HYheC

TCP/IP ePu@q¡ 25

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bodñAJ≡su¡OtWwqΩ IP Aα≈⌡µTh (⌠⌠h) e

í⌠B⌡≡µ½¿C≈≡su¡OnsAH i5/OS TCP/IP eW½

3. Ω IP Proxy ARP Ftⁿ¡

26 System i: ⌠⌠ TCP/IP ePu@q¡

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eu²¿Cϕ½eu²]j≤w] 5 AbπP½eu²

ºíAH⌠íΦíe≈≡suCpG≤Yu²ú¿LkAtK

½u²pC

b⌠ X WtmeⁿA 10.1.1.11 10.1.1.12 í]DnJ≡Cb 10.1.1.11

10.1.1.12 ºíAH⌠íΦíeJ≡suAoOjí⌠úú\αC

i5/OS TCP/IP eA½eu² 7 10.1.1.13B10.1.1.14 10.1.1.15 í]Dn

≈≡Cb 10.1.1.13B10.1.1.14 10.1.1.15 ºíAH⌠íΦíeJ≡suCpGoT

íGAK½eu² 6 10.1.1.11 10.1.1.12 @≈≡J≡suC

bodñAi5/OS TCP/IP eOTs¿Cs X ú∩q⌠⌠ (10.1.1.0) q≈

≡su¡Cs Y zL⌠ú∩q⌠⌠ (10.0.0.0) ΣLq≈≡su¡Cs Z zL⌡≡ú

∩⌠⌠⌠≈≡su¡C

ּ

yΩdGΩ IP Proxy ARP iµtdóΓz

Ω IP iH²zⁿútAúOⁿúSwCziH∩htwqPAi

iH≤hs∩iµtⁿ¡C

ΩdGΩ IP Proxy ARP iµtdóΓ

Ω IP iH²zⁿútAúOⁿúSwCziH∩htwqPAii

H≤hs∩iµtⁿ¡C

: oóΓΩdOHµ@ LAN tdAúODntG¼ (O¿O[\)C

oMΦnítⁿ¡tC

¼p

zí@ttdBzM LAN ßΩΘJCoí°AWπq½níCH

qú¿°Aª∩ System i wΘM⌠⌠D]≥XjC≤¿°÷YAotiHq⌠

⌠sABú⌠≤Dww÷≈íCpGYi⌠⌠d]⌠≤]LkAhtWΣL⌠⌠

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BzWz¼pΣñ@ΦkOq System i ¡xX°ΩΘsu LANCUC

TCP/IP ePu@q¡ 27

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²oí≈ßδoí≈Cß (oßΩWSsP System i ¡x

P LAN) úOzLítⁿ¡°A (pA⌠⌠te) PtqTCϕß IP n

DqL⌠⌠teA⌠⌠teNNΩ IP etWΣñ@i⌠⌠dC

pGts LAN πßAoßú⌠⌠teªsΩΘA]o

≥ ∩⌠⌠tey¿únWⁿCziHbC@ßWM⌠⌠te⌠ϕⁿ⌠

CúLApGo LAN hßAo kNúΩCUπo¼pC

ß (oßsPtP LAN) iHzL ARP stΩ IP C]A

ß]iHπtdóΓMΦ\αC

4. SßtdóΓ

5. πßtdóΓ

28 System i: ⌠⌠ TCP/IP ePu@q¡

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