配置默认路由

1、PCD192.5. 0/21IJPC-PTPCD192.5. 0/21IJPC-PTPC2IPC-PT PCI1盟.163.2.0/2419E. IG9 A 0/24如图，配置默认路由的过程：首先给路由器命名I?QuterenRouter#conf tEnt er conf igurat ion coirniaands, one per 1 ine . End uith CNTL/ ZRouter (conf ig) #hcimt R1R1 (config)修再配置个路由器的端口 ip，并开启端口R1(coniigiflint iBQ/aRl(conila-lt)#lp adil 19Z B

2、les. 1. 1 Z55. E55.255.0R1 (coniQ-if Ji 横口口 shutR1 (conig-if)#no ahutdoom此时拓扑图会发生改变路由器的端口配置完之后，PC1和PC2之间还不能进行通信，需要配置默认路由 从332.6B E D/E*PC-PT pea92. q. 0/2-1心332.6B E D/E*PC-PT pea92. q. 0/2-1心l* &a. .a/zq从拓扑图看出，R1和R3配置默认路由，R2配置静态路由，对R1配置默认路由，RlenR1#cdzl tEnter conf Lguration conmands, one rer line r

3、 End with CNTL/ Z.R1(conf ig) #ip route a 0.0.D 0.0 D. 192.lb.2.2R1 (conf ig) FE% 3T5 -5- COWFI G_I: Conf iauirrd from conso le by conso LeRlahow ip routeCodes: C - comieccecl, S - sr-ac I - IGRP R - RIP, l - motilLs ( E - BGP D - EIGRP, EZ - EIGRP External 0 - OSPF, Il - OSPF inter area Ml 一 OSPF N

4、5SA e:w re trial cypa 1, NZ - 03 PF N33A ezrertiaL type 2 El 一 OSPF eKternal type E2 一 OSPF eKternal tpe E EGP L - 13-15, LI - IS-TS leu&L-L, L2 - TS-TS Leue2-2H La - LS- IS lllCEE area * - candidate dea.ult U - per-iwer static rautEr d - ODP P - pE-riodic duvnloadcd -static routeGateway of last res

5、ort is 192-166.2-2 t-o net-Krark 0,0,0.0C192 B169. LrO/3 is directly connectedr FMtEthernetO? Dc19Z ul68az bd/2Q is dLlrEctly connecLec3r FascEtJierneco/ 1S* O.O.Q.O/O 1/D via 192.169.2-2 Rl#对R2配置默认路由R3enR3 tfconr rEncec cfanT Lgurat ion. cfDirarancl3H one peu line. End ult n CNTL/ Z .R3 (CDnElg) lp

6、 route OaOaOBO192.16BtlulR3 (config)tfeKitS -5 -C CNF I G_ I: ConigijrEd eqki console hy consoleR3 ahov ip routeCodess C - connected, S - 3taticx I - IGRPT R - P.IPX N - mobileT B - BGP L - EIGRP- EK - EIGRP eztcrnal, 0 - O3PFZ IA - OSPF inter area NL - 03 PF N53A eKLernal rpe 1, NZ - DS PF N33A exu

7、ernal cype 2 EL - OSPF 日乂匚eLnal type L. E2 - O3PF 已x匚ernal type 2, E - EGP 1 - 15-15, LI - I5-IS LeveL-L L2 一 15-15 leval-Zf is - IS-I5 Lnrer area 7 一 catidldate caw匚IT 一 per-usEr scaclc raute a 一 ODR P - per iodic dDunloaded stat ic routeGateway o last resort is 192 153.4.1 to netwockC192.163. .0/2

8、4l is directLy connected, FMtEthern.eta/aC192.163.510/24 is dicectLy connected FHStEtheznetQ/13*0,0,0,0/C 1/0 via 192 B160.-1配置R2的静态路由Rnu-DerenRnurerconE rEtirer co af 1 gur at ion comtiGindls one per line . End. wlch CPITL/ Z. Rourer i；con 1 g| #ip rauce 19Z . 16B .1.0 Z55. Z55. Z5f . 1BZ .2.1 Rdur

9、er i；cone 1 g| #ip rauce 19Z . 16B.5a Z55.Z55,.Z55. 13Z L65.4.z RoULercon1g|#shou 1p routeAt LnvaLid input detecced at 11 marker uRo uiercon1g | exit -5YS-S-CCWFIG_L; Configured, irom conso2e Uy consolsP.aucerSsliaw ip routeCodes: C 一 connect ail f 5 - static r L 一 IGRP r R 一 RIP j 珂- mhller E 一 EGP

10、D - EIGPP,! EX - EIGPP excernal O - OSPF IL 一 C5PF Inc er area N1 - 03PF NS3A exLernal type LNZ - DSPF N日日A exi-ernal type 2 El - OSPF excecnaL type 1r E2 - O3P7 external rype 2, E - EGP 1 - IS-IS,. Li - IS-IS level-!, LZ - is-rs level-2, la - IS-LS Inc er arsa * - candldacs ileraulL U - per-oset sr

11、aLlc toure,i - ODRP - per iodic dLovnloadedL srsr Lc ranceGateway 口工 Iasi resatc is wc ser3C c c3192 u!6B-1-0/24192 u!60-2-0/24192 u!6B-3.0/24L92 ul60-4-0/24192 ul6B-5-0/241/0 via 192.168.2 =1 la directly comuecceilf 19 directly comLeccedLf Is directly comueccedL.r 1/0 via 19Z.16Su4aErastE chetnerO/

12、ELhernacD/1/0r astE che t ner-0/ 1Rourer#配置完成，检验配置，用pc0 PING pc2FOping 192.169.5.2Pinaina 192-168.5.2 with 32 bytes of data:Pinaina 192ReplyBeplyPep lyReplyfrom fromf comrrom192.168.5.2:192.168.5-2:192.168.5.2:192.16B.5.2：bytes=32 kiytes=3 2 bytes = 3 2 tiyL&s = 3Zt line =12 Sms t. lire =1091X13ReplyBeplyPep lyReplyfrom fromf comrrom192.168.5.2:192.168.5-2:192.168.5.2:192.16B.5.2：bytes=32 kiytes=3 2 bytes = 3 2 tiyL&s = 3Zt line =12 Sms t. lire =1091X13t iire= 12 Smst.Lle=lZ5lttSTTL=125TTL=