ä»æ¥ã®ã¬ãã¹ã³ã®ãããã¯ã¯ RIP (ã«ãŒãã£ã³ã°æ å ±ãããã³ã«) ã§ãã ãã®äœ¿çšæ³ãæ§æãå¶éäºé ã®ããŸããŸãªåŽé¢ã«ã€ããŠèª¬æããŸãã å ã»ã©ãè¿°ã¹ãããã«ãRIP 㯠Cisco 200-125 CCNA ã³ãŒã¹ ã«ãªãã¥ã©ã ã®äžéšã§ã¯ãããŸããããRIP ã¯äž»èŠãªã«ãŒãã£ã³ã° ãããã³ã«ã® XNUMX ã€ã§ããããããã®ãããã³ã«ã«ã€ããŠã¯å¥ã®ã¬ãã¹ã³ã«å ãŠãããšã«ããŸããã
ä»æ¥ã¯ãåäœã®ç解ãšã«ãŒã¿ãŒã§ã® RIP ã®èšå®ãRIP ã¿ã€ããŒãRIP å¶éã® 3 ã€ã®åŽé¢ãèŠãŠãããŸãã ãã®ãããã³ã«ã¯ 1969 幎ã«äœæããããããæãå€ããããã¯ãŒã¯ ãããã³ã«ã® XNUMX ã€ã§ãã ãã®å©ç¹ã¯ããã®äžŠå€ããã·ã³ãã«ãã«ãããŸãã çŸåšãCisco ãå«ãå€ãã®ãããã¯ãŒã¯ ããã€ã¹ã¯ãRIP ããµããŒããç¶ããŠããŸããããã¯ãRIP ã EIGRP ã®ãããªç¬èªã®ãããã³ã«ã§ã¯ãªãããããªã㯠ãããã³ã«ã§ããããã§ãã
RIP ã«ã¯ 2 ã€ã®ããŒãžã§ã³ããããŸãã æåã®ã¯ã©ã·ã㯠ããŒãžã§ã³ã¯ãã¯ã©ã¹ã¬ã¹ IP ã¢ãã¬ã¹æå®ã®ããŒã¹ãšãªãå¯å€é·ã®ãµãããã ãã¹ã¯ã§ãã VLSM ããµããŒãããŠããªãããã䜿çšã§ãããããã¯ãŒã¯ã¯ XNUMX ã€ã ãã§ãã ããã«ã€ããŠã¯å°ãåŸã§è©±ããŸãã ãã®ããŒãžã§ã³ã§ã¯èªèšŒããµããŒããããŠããŸããã
2 ã€ã®ã«ãŒã¿ãŒãçžäºã«æ¥ç¶ãããŠãããšããŸãã ãã®å Žåãæåã®ã«ãŒã¿ãŒã¯ãèªåãç¥ã£ãŠããããšããã¹ãŠé£æ¥ã«ãŒã¿ãŒã«äŒããŸãã ãããã¯ãŒã¯ 10 ãæåã®ã«ãŒã¿ãŒã«æ¥ç¶ãããŠããããããã¯ãŒã¯ 20 ãæåãš 30 çªç®ã®ã«ãŒã¿ãŒã®éã«ããããããã¯ãŒã¯ 10 ã 20 çªç®ã®ã«ãŒã¿ãŒã®èåŸã«ãããšããŸãã次ã«ãæåã®ã«ãŒã¿ãŒã¯ 2 çªç®ã®ã«ãŒã¿ãŒã«ãããã¯ãŒã¯ 1 ãš 30 ãç¥ã£ãŠããããšãäŒããã«ãŒã¿ãŒ 20 ã¯ãããäŒããŸããã«ãŒã¿ XNUMX ã¯ãããã¯ãŒã¯ XNUMX ãšãããã¯ãŒã¯ XNUMX ã«ã€ããŠèªèããŠããŸãã
ã«ãŒãã£ã³ã° ãããã³ã«ã¯ãããã XNUMX ã€ã®ãããã¯ãŒã¯ãã«ãŒãã£ã³ã° ããŒãã«ã«è¿œå ããå¿
èŠãããããšã瀺ããŸãã äžè¬ã«ãããã«ãŒã¿ãŒãé£æ¥ããã«ãŒã¿ãŒã«ãããã«æ¥ç¶ãããŠãããããã¯ãŒã¯ã«ã€ããŠéç¥ãããã®ã«ãŒã¿ãŒããã®è¿é£ã«ãŒã¿ãŒã«éç¥ããããšããããšãããããŸãã ç°¡åã«èšããšãRIP ã¯ãè¿é£ã«ãŒã¿ãçžäºã«æ
å ±ãå
±æã§ããããã«ãããŽã·ãã ãããã³ã«ã§ãããåè¿é£ã«ãŒã¿ã¯ãèšãããããšãç¡æ¡ä»¶ã«ä¿¡ããŸãã åã«ãŒã¿ãŒã¯ãããã¯ãŒã¯å
ã®å€æŽãããªãã¹ã³ãããè¿é£ã«ãŒã¿ãŒãšå
±æããŸãã
èªèšŒãµããŒãããªããšããããšã¯ããããã¯ãŒã¯ã«æ¥ç¶ãããŠããã«ãŒã¿ãŒã¯ããã«å®å šãªåå è ã«ãªãããšãæå³ããŸãã ãããã¯ãŒã¯ãããŠã³ããããå Žåã¯ãæªæã®ããã¢ããããŒããè¡ã£ãããã«ãŒ ã«ãŒã¿ãŒãæ¥ç¶ããŸããä»ã®ãã¹ãŠã®ã«ãŒã¿ãŒã¯ãã®ã«ãŒã¿ãŒãä¿¡é ŒããŠãããããã«ãŒãã£ã³ã° ããŒãã«ãç§ãæãããã«æŽæ°ããŸãã RIP ã®æåã®ããŒãžã§ã³ã¯ããã®ãããªãããã³ã°ã«å¯Ÿããä¿è·ãæäŸããŸããã
RIPv2 ã§ã¯ãã«ãŒã¿ãŒãé©åã«æ§æããããšã§èªèšŒãæäŸã§ããŸãã ãã®å Žåãã«ãŒã¿ãŒéã®æ å ±æŽæ°ã¯ãã¹ã¯ãŒãå ¥åã«ãããããã¯ãŒã¯èªèšŒãééããåŸã«ã®ã¿å¯èœãšãªããŸãã
RIPv1 ã¯ãããŒããã£ã¹ãã䜿çšããŸããã€ãŸãããã¹ãŠã®æŽæ°ã¯ãããŒããã£ã¹ã ã¡ãã»ãŒãžã䜿çšããŠéä¿¡ããããã¹ãŠã®ãããã¯ãŒã¯åå è ãåä¿¡ããŸãã æåã®ã«ãŒã¿ãŒã«æ¥ç¶ãããŠããã³ã³ãã¥ãŒã¿ãŒããã«ãŒãã£ã³ã° ããã€ã¹ã®ã¿ãæŽæ°ãå¿ èŠãšããããããããã®æŽæ°ã«ã€ããŠäœãèªèããŠããªããšããŸãããã ãã ããã«ãŒã¿ãŒ 1 ã¯ããããŒããã£ã¹ã ID ãæã€ãã¹ãŠã®ããã€ã¹ãã€ãŸããããŒããã£ã¹ã ID ãå¿ èŠãšããªãããã€ã¹ã«ããããã®ã¡ãã»ãŒãžãéä¿¡ããŸãã
RIP ã® 10.1.1.1 çªç®ã®ããŒãžã§ã³ã§ã¯ããã®åé¡ã¯è§£æ±ºãããŠããŸãããã«ããã£ã¹ã IDãã€ãŸããã«ããã£ã¹ã ãã©ãã£ãã¯éä¿¡ã䜿çšãããŸãã ãã®å Žåããããã³ã«èšå®ã§æå®ãããããã€ã¹ã®ã¿ãã¢ããããŒããåä¿¡ããŸãã èªèšŒã«å ããŠããã®ããŒãžã§ã³ã® RIP 㯠VLSM ã¯ã©ã¹ã¬ã¹ IP ã¢ãã¬ã¹æå®ããµããŒãããŸãã ããã¯ã24/10.1.1.0 ãããã¯ãŒã¯ãæåã®ã«ãŒã¿ãŒã«æ¥ç¶ãããŠããå ŽåãIP ã¢ãã¬ã¹ããã®ãµããããã®ã¢ãã¬ã¹ç¯å²å
ã«ãããã¹ãŠã®ãããã¯ãŒã¯ ããã€ã¹ãæŽæ°ãåä¿¡ããããšãæå³ããŸãã ãããã³ã«ã® 10.0.0.0 çªç®ã®ããŒãžã§ã³ã¯ CIDR æ¹åŒããµããŒãããŠããŸããã€ãŸãã2 çªç®ã®ã«ãŒã¿ãŒãæŽæ°ãåä¿¡ãããšããããã©ã®ç¹å®ã®ãããã¯ãŒã¯ãŸãã¯ã«ãŒãã«é¢ä¿ããŠããããèªèããŸãã æåã®ããŒãžã§ã³ã®å Žåããããã¯ãŒã¯ XNUMX ãã«ãŒã¿ãŒã«æ¥ç¶ãããŠããå Žåããããã¯ãŒã¯ XNUMX ããã³åãã¯ã©ã¹ã«å±ããä»ã®ãããã¯ãŒã¯äžã®ããã€ã¹ãæŽæ°ãåä¿¡ããŸãã ãã®å Žåãã«ãŒã¿ãŒ XNUMX ããããã®ãããã¯ãŒã¯ã®æŽæ°ã«é¢ããå®å
šãªæ
å ±ãåãåããŸãããCIDR ããªããã°ããã®æ
å ±ãã¯ã©ã¹ A ã® IP ã¢ãã¬ã¹ãæã€ãµããããã«é¢ãããã®ã§ããããšãããããŸããã
ãããéåžžã«äžè¬çãªèšèã§èšãã° RIP ã§ãã ã§ã¯ãã©ã®ããã«èšå®ã§ããããèŠãŠã¿ãŸãããã ã«ãŒã¿èšå®ã®ã°ããŒãã« ã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ ã¢ãŒãã«ç§»è¡ããRouter RIP ã³ãã³ãã䜿çšããå¿ èŠããããŸãã
ãã®åŸãã«ãŒã¿ãŒã®ãµãã³ãã³ã ã¬ãã«ã«ç§»åãããããã³ãã³ã ã©ã€ã³ ããããŒã R1(config-router)# ã«å€æŽãããŠããããšãããããŸãã 2 çªç®ã®ã³ãã³ãã¯ããŒãžã§ã³ 2 ã«ãªããŸããã€ãŸãããããã³ã«ã®ããŒãžã§ã³ 2 ã䜿çšããå¿
èŠãããããšãã«ãŒã¿ãŒã«ç€ºããŸãã 次ã«ãnetwork XXXX ã³ãã³ãã䜿çšããŠãæŽæ°ãéä¿¡ããå¿
èŠãããã¢ããã¿ã€ãºãããã¯ã©ã¹ãã« ãããã¯ãŒã¯ã®ã¢ãã¬ã¹ãå
¥åããå¿
èŠããããŸãããã®ã³ãã³ãã«ã¯ XNUMX ã€ã®æ©èœããããŸããXNUMX ã€ç®ã¯ãã©ã®ãããã¯ãŒã¯ãã¢ããã¿ã€ãºããå¿
èŠãããããæå®ããXNUMX ã€ç®ã¯ãã©ã®ã€ã³ã¿ãŒãã§ã€ã¹ã䜿çšããå¿
èŠãããããæå®ããŸãããã®ããã«ã ãããã¯ãŒã¯æ§æãèŠãã°ãç§ãäœãæå³ããããããããŸãã
ããã§ã¯ã4 ã€ã®ã«ãŒã¿ãŒãš 192.168.1.0 å°ã®ã³ã³ãã¥ãŒã¿ãŒããèå¥å 26/4 ã®ãããã¯ãŒã¯ãä»ããŠã¹ã€ããã«æ¥ç¶ãããŠããã3 ã€ã®ãµããããã«åå²ãããŠããŸãã 䜿çšãããµãããã㯠192.168.1.0 ã€ã ãã§ã: 26/192.168.1.64ã26/192.168.1.128ãããã³ 26/192.168.1.192ã ãµãããã 26/XNUMX ããŸã ãããŸãããå¿
èŠãªããã䜿çšãããŸããã
ããã€ã¹ ããŒãã® IP ã¢ãã¬ã¹ã¯æ¬¡ã®ãšããã§ããã³ã³ãã¥ãŒã¿ 192.168.1.10ãæåã®ã«ãŒã¿ãŒã®æåã®ããŒã 192.168.1.1ã192.168.1.65 çªç®ã®ããŒã 192.168.1.66ã192.168.1.129 çªç®ã®ã«ãŒã¿ãŒã®æåã®ããŒã 192.168.1.130ã1 çªç®ã®ã«ãŒã¿ãŒã® 1 çªç®ã®ããŒã XNUMXã XNUMX çªç®ã®ã«ãŒã¿ãŒã®æåã®ããŒã XNUMX ã ååã¯èŠåã«ã€ããŠèª¬æããŸããããã®ãããèŠåã«åŸã£ãŠã¢ãã¬ã¹ .XNUMX ãã«ãŒã¿ãŒã® XNUMX çªç®ã®ããŒãã«å²ãåœãŠãããšã¯ã§ããŸãããããã¯ã.XNUMX ã¯ãã®ãããã¯ãŒã¯ã®äžéšã§ã¯ãªãããã§ãã
次ã«ãä»ã®ã¢ãã¬ã¹ã䜿çšããŸããå¥ã®ãããã¯ãŒã¯ 10.1.1.0/16 ãéå§ããããããã®ãããã¯ãŒã¯ãæ¥ç¶ãããŠãã 10.1.1.1 çªç®ã®ã«ãŒã¿ãŒã® 10.1.1.2 çªç®ã®ããŒãã® IP ã¢ãã¬ã¹ã¯ XNUMX ã§ãXNUMX çªç®ã®ããŒãã® IP ã¢ãã¬ã¹ã¯ XNUMX ã§ããã¹ã€ãããæ¥ç¶ãããŠããã«ãŒã¿ãŒ - ã¢ãã¬ã¹ XNUMXã
äœæãããããã¯ãŒã¯ãæ§æããã«ã¯ãããã€ã¹ã« IP ã¢ãã¬ã¹ãå²ãåœãŠãå¿
èŠããããŸãã æåã®ã«ãŒã¿ãŒã®æåã®ããŒãããå§ããŸãããã
ãŸãããã¹ãå R1 ãäœæããã¢ãã¬ã¹ 0 ãããŒã f0/192.168.1.1 ã«å²ãåœãŠã/255.255.255.192 ãããã¯ãŒã¯ãããããããµãããã ãã¹ã¯ 26 ãæå®ããŸãã no shut ã³ãã³ãã䜿çšã㊠R1 ã®æ§æãå®äºããŸãããã æåã®ã«ãŒã¿ãŒ f0/1 ã® 192.168.1.65 çªç®ã®ããŒãã¯ãIP ã¢ãã¬ã¹ 255.255.255.192 ãšãµãããã ãã¹ã¯ XNUMX ãåãåããŸãã
2 çªç®ã®ã«ãŒã¿ãŒã«ã¯ R0 ãšããååãä»ããããã¢ãã¬ã¹ 0 ãšãµãããã ãã¹ã¯ 192.168.1.66 ãæåã®ããŒã f255.255.255.192/0 ã«å²ãåœãŠãã¢ãã¬ã¹ 1 ãšãµãããã ãã¹ã¯ 192.168.1.129 ã 255.255.255.192 çªç®ã®ããŒã fXNUMX/ ã«å²ãåœãŠãŸãã XNUMX.
3 çªç®ã®ã«ãŒã¿ãŒã«ç§»ãããã¹ãå R0 ãå²ãåœãŠãããŒã f0/192.168.1.130 ã¯ã¢ãã¬ã¹ 255.255.255.192 ãšãã¹ã¯ 0 ãåãåããããŒã f1/10.1.1.1 ã¯ã¢ãã¬ã¹ 255.255.0.0 ãšãã¹ã¯ 16 ãåãåããŸãã XNUMX (ãã®ãããã¯ãŒã¯ã¯ /XNUMX ã§ãããã)ã
æåŸã«ãæåŸã®ã«ãŒã¿ãŒã«ç§»åããR4 ãšããååãä»ããããŒã f0/0 ã«ã¢ãã¬ã¹ 10.1.1.2 ãšãã¹ã¯ 255.255.0.0 ãå²ãåœãŠãŸãã ããã§ããã¹ãŠã®ãããã¯ãŒã¯ ããã€ã¹ã®æ§æãå®äºããŸããã
æåŸã«ãã³ã³ãã¥ãŒã¿ã®ãããã¯ãŒã¯èšå®ãèŠãŠã¿ãŸããããã³ã³ãã¥ãŒã¿ã®éç IP ã¢ãã¬ã¹ã¯ 192.168.1.10ãããŒãããã ãã¹ã¯ã¯ 255.255.255.192ãããã©ã«ã ã²ãŒããŠã§ã€ ã¢ãã¬ã¹ã¯ 192.168.1.1 ã§ãã
ããŸããŸãªãµããããäžã®ããã€ã¹ã®ãµãããã ãã¹ã¯ãæ§æããæ¹æ³ã¯éåžžã«ç°¡åã§ãã 次ã«ã«ãŒãã£ã³ã°ãæå¹ã«ããŠã¿ãŸãããã R1 èšå®ã«ç§»åããã°ããŒãã« ã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ ã¢ãŒããèšå®ããã«ãŒã¿ãŒ ã³ãã³ããå
¥åããŸãã ãã®åŸãã·ã¹ãã ã¯ããã®ã³ãã³ãã§äœ¿çšå¯èœãªã«ãŒãã£ã³ã° ãããã³ã« (bgpãeigrpãospfãrip) ã«é¢ãããã³ããæäŸããŸãã ãã®ãã¥ãŒããªã¢ã«ã¯ RIP ã«é¢ãããã®ãªã®ã§ãrouter rip ã³ãã³ãã䜿çšããŸãã
çå笊ãå
¥åãããšãã·ã¹ãã ã¯ããã®ãããã³ã«ã®æ©èœã®å¯èœãªãªãã·ã§ã³ãå«ã次ã®ã³ãã³ãã®æ°ãããã³ããçºè¡ããŸã: auto-summary - ã«ãŒãã®èªåèŠçŽãdefault-information - ããã©ã«ãæ
å ±ã®è¡šç€ºã®å¶åŸ¡ããããã¯ãŒã¯- ãããã¯ãŒã¯ãã¿ã€ãã³ã°ãªã©ã ããã§ã¯ãè¿é£ã®ããã€ã¹ãšäº€æããæ
å ±ãéžæã§ããŸãã æãéèŠãªæ©èœã¯ããŒãžã§ã³ãªã®ã§ããŸãããŒãžã§ã³ 2 ã³ãã³ããå
¥åãã次㫠network key ã³ãã³ãã䜿çšããŠãæå®ãã IP ãããã¯ãŒã¯ã®ã«ãŒããäœæããŸãã
Router1 ã®èšå®ã¯åŸã§ç¶ããŸãããä»ã¯ Router 3 ã«é²ã¿ãããšæããŸããã«ãŒã¿ãŒ 10.1.1.1 㧠network ã³ãã³ãã䜿çšããåã«ããããã¯ãŒã¯ ããããžã®å³åŽãèŠãŠã¿ãŸãããã ã«ãŒã¿ãŒã® 10.1.1.0 çªç®ã®ããŒãã®ã¢ãã¬ã¹ã¯ 16 ã§ãã RIPã¯ã©ã®ããã«æ©èœããŸãã? 10.0.0.0 çªç®ã®ããŒãžã§ã³ã§ããRIP ã¯ããªãå€ããããã³ã«ã§ãããäŸç¶ãšããŠç¬èªã®ãããã¯ãŒã¯ ã¯ã©ã¹ã䜿çšããŠããŸãã ãããã£ãŠããããã¯ãŒã¯ XNUMX/XNUMX ãã¯ã©ã¹ A ã«å±ããŠããå Žåã§ããnetwork XNUMX ã³ãã³ãã䜿çšããŠããã® IP ã¢ãã¬ã¹ã®å®å šãªã¯ã©ã¹ ããŒãžã§ã³ãæå®ããå¿ èŠããããŸãã
ããããã³ãã³ã network 10.1.1.1 ãå ¥åããŠçŸåšã®èšå®ã確èªãããšããŠããã·ã¹ãã ã¯ãã«ã¯ã©ã¹ ã¢ãã¬ãã·ã³ã°åœ¢åŒãèªåçã«äœ¿çšããŠã10.1.1.1 ã 10.0.0.0 ã«ä¿®æ£ããŠããããšãããããŸãã ãããã£ãŠãCCNA è©Šéšã§ RIP ã«é¢ããåé¡ãåºé¡ãããå Žåã¯ããã«ã¯ã©ã¹ ã¢ãã¬ãã·ã³ã°ã䜿çšããå¿ èŠããããŸãã 10.0.0.0 ã®ä»£ããã« 10.1.1.1 ãŸã㯠10.1.0.0 ãšå ¥åãããšãééããçºçããŸãã ãã«ã¯ã©ã¹ã®ã¢ãã¬ã¹æå®åœ¢åŒãžã®å€æã¯èªåçã«è¡ãããŸãããã·ã¹ãã ããšã©ãŒãä¿®æ£ãããŸã§åŸ ããã«ãæåã¯æ£ããã¢ãã¬ã¹ã䜿çšããããšããå§ãããŸãã èŠããŠãããŠãã ãã - RIP ã¯åžžã«ãã«ã¯ã©ã¹ã®ãããã¯ãŒã¯ ã¢ãã¬ã¹æå®ã䜿çšããŸãã
network 10.0.0.0 ã³ãã³ãã䜿çšããåŸã3 çªç®ã®ã«ãŒã¿ãŒã¯ãã® 4 çªç®ã®ãããã¯ãŒã¯ãã«ãŒãã£ã³ã° ãããã³ã«ã«æ¿å ¥ããR2-R10.0.0.0 ã«ãŒãã«æ²¿ã£ãŠæŽæ°ãéä¿¡ããŸãã 次ã«ã4 çªç®ã®ã«ãŒã¿ãŒã®ã«ãŒãã£ã³ã° ãããã³ã«ãèšå®ããå¿ èŠããããŸãã èšå®ã«ç§»åããã³ãã³ããrouter ripãããããŒãžã§ã³ 10ããããããã¯ãŒã¯ XNUMXããé ã«å ¥åããŸãã ãã®ã³ãã³ãã䜿çšããŠãRXNUMX ã« RIP ã«ãŒãã£ã³ã° ãããã³ã«ã䜿çšããŠãããã¯ãŒã¯ã®ã¢ããã¿ã€ãºãéå§ããããã«äŸé ŒããŸãã
ããã§ãããã 0 ã€ã®ã«ãŒã¿ãŒã¯æ
å ±ã亀æã§ããããã«ãªããŸãããäœãå€ãããŸããã show ip Route ã³ãã³ãã䜿çšãããšãFastEthernrt ããŒã 0/10.1.0.0 ããããã¯ãŒã¯ XNUMX ã«çŽæ¥æ¥ç¶ãããŠããããšãããããŸãã XNUMX çªç®ã®ã«ãŒã¿ãŒãããããã¯ãŒã¯ã®ã¢ããŠã³ã¹ãåä¿¡ãã XNUMX çªç®ã®ã«ãŒã¿ãŒã¯ããããã£ããçžæ£ãXNUMX çªç®ã®ãããã¯ãŒã¯ã®ã¢ããŠã³ã¹ãåãåããŸãããããã®ãããã¯ãŒã¯ã«çŽæ¥æ¥ç¶ããŠããã®ã§ãããã«ã€ããŠã¯ãã§ã«ç¥ã£ãŠããŸããããšèšãã§ãããã
ãããã£ãŠãR3 èšå®ã«æ»ããnetwork 192.168.1.0 ã³ãã³ãã䜿çšããŠå¥ã®ãããã¯ãŒã¯ãæ¿å ¥ããŸãã ããã§ããã«ã¯ã©ã¹ ã¢ãã¬ãã·ã³ã°åœ¢åŒã䜿çšããŸãã ãã®åŸã192.168.1.128 çªç®ã®ã«ãŒã¿ãŒã¯ R3-R4 ã«ãŒãã«æ²¿ã£ãŠ XNUMX ãããã¯ãŒã¯ãã¢ããã¿ã€ãºã§ããããã«ãªããŸãã ãã§ã«è¿°ã¹ãããã«ãRIP ã¯ãã¹ãŠã®è¿é£ãããã¯ãŒã¯ã«æ°ãããããã¯ãŒã¯ã«ã€ããŠéç¥ããã«ãŒãã£ã³ã° ããŒãã«ã®æ å ±ãè¿é£ãããã¯ãŒã¯ã«äŒããããŽã·ãããã§ãã ãã㧠XNUMX çªç®ã®ã«ãŒã¿ãŒã®ããŒãã«ãèŠããšãããã«æ¥ç¶ãããŠãã XNUMX ã€ã®ãããã¯ãŒã¯ã®ããŒã¿ã衚瀺ãããŸãã
ãã®ããŒã¿ã¯ãã«ãŒãã®äž¡ç«¯ã§ 2 çªç®ãš 2 çªç®ã®ã«ãŒã¿ãŒã®äž¡æ¹ã«éä¿¡ãããŸãã R192.168.1.0ã®èšå®ã«ç§»ããŸãããã åãã³ãã³ããrouter ripãããŒãžã§ã³ 1.0ãããã³ network 192.168.1.64 ãå
¥åããŸãããããããèå³æ·±ãããšãå§ãŸããŸãã ãããã¯ãŒã¯ 26 ãæå®ããŠããŸããããããã¯ãŒã¯ 192.168.1.128/26 ãšãããã¯ãŒã¯ 192.168.1.0/XNUMX ã®äž¡æ¹ã§ãã ãããã£ãŠããããã¯ãŒã¯ XNUMX ãæå®ãããšãæè¡çã«ã¯ãã®ã«ãŒã¿ãŒã®äž¡æ¹ã®ã€ã³ã¿ãŒãã§ã€ã¹ã«ã«ãŒãã£ã³ã°ãæäŸããããšã«ãªããŸãã 䟿å©ãªã®ã¯ãXNUMX ã€ã®ã³ãã³ãã ãã§ããã€ã¹ã®ãã¹ãŠã®ããŒãã®ã«ãŒãã£ã³ã°ãèšå®ã§ããããšã§ãã
ã«ãŒã¿ãŒ R1 ã«ãŸã£ããåããã©ã¡ãŒã¿ãŒãæå®ããäž¡æ¹ã®ã€ã³ã¿ãŒãã§ã€ã¹ã«åãæ¹æ³ã§ã«ãŒãã£ã³ã°ãæäŸããŸãã R1 ã®ã«ãŒãã£ã³ã° ããŒãã«ãèŠããšããã¹ãŠã®ãããã¯ãŒã¯ã衚瀺ãããŸãã
ãã®ã«ãŒã¿ãŒã¯ãããã¯ãŒã¯ 1.0 ãšãããã¯ãŒã¯ 1.64 ã®äž¡æ¹ãèªèããŠããŸãã RIP ã䜿çšããŠããããããããã¯ãŒã¯ 1.128 ããã³ 10.1.1.0 ã«ã€ããŠãèªèããŠããŸãã ããã¯ãã«ãŒãã£ã³ã° ããŒãã«ã®å¯Ÿå¿ããè¡ã® R ããããŒã«ãã£ãŠç€ºãããŸãã
æ
å ± [120/2] ã«æ³šæããŠãã ãããããã¯ã¢ãããã¹ãã¬ãŒãã£ã ãã£ã¹ã¿ã³ã¹ãã€ãŸãã«ãŒãã£ã³ã°æ
å ±ã®ãœãŒã¹ã®ä¿¡é Œæ§ã§ãã ãã®å€ã¯å€§ãããŠãå°ãããŠãæ§ããŸããããRIP ã®ããã©ã«ã㯠120 ã§ããããšãã°ãã¹ã¿ãã£ã㯠ã«ãŒãã®ã¢ãããã¹ãã¬ãŒãã£ã ãã£ã¹ã¿ã³ã¹ã¯ 1 ã§ããã¢ãããã¹ãã¬ãŒãã£ã ãã£ã¹ã¿ã³ã¹ãäœãã»ã©ããããã³ã«ã®ä¿¡é Œæ§ã¯é«ããªããŸãã ã«ãŒã¿ãŒã 2 ã€ã®ãããã³ã«ã®ã©ã¡ãããéžæããæ©äŒãããå Žå (ããšãã°ãã¹ã¿ãã£ã㯠ã«ãŒããš RIP ã®é)ãã«ãŒã¿ãŒã¯ã¹ã¿ãã£ã㯠ã«ãŒãçµç±ã§ãã©ãã£ãã¯ã転éããããšãéžæããŸãã æ¬åŒ§å
ã® 10.0.0.0 çªç®ã®å€ /8 ã¯ã¡ããªãã¯ã§ãã RIP ãããã³ã«ã§ã¯ãã¡ããªãã¯ã¯ãããæ°ãæå³ããŸãã ãã®å Žåããããã¯ãŒã¯ 2/1 㯠192.168.1.64 ãããã§å°éã§ããŸããã€ãŸããã«ãŒã¿ R26 ã¯ãããã¯ãŒã¯ 192.168.1.128/26 (ãããæåã®ããã) ãä»ããŠãã©ãã£ãã¯ãéä¿¡ãããããã¯ãŒã¯ 10.0.0.0/8 ãä»ããŠãã©ãã£ãã¯ãéä¿¡ããå¿
èŠããããŸãã 0 çªç®ã®ãããã¯ãIP ã¢ãã¬ã¹ 1 ã® FastEthernet 192.168.1.66/XNUMX ã€ã³ã¿ãŒãã§ã€ã¹ãåããããã€ã¹çµç±ã§ãããã¯ãŒã¯ XNUMX/XNUMX ã«å°éããŸãã
æ¯èŒã®ããã«ãã«ãŒã¿ R1 ã¯ãã€ã³ã¿ãŒãã§ã€ã¹ 192.168.1.128 ãä»ããŠã120 ãããã§ã¢ãããã¹ãã¬ãŒãã£ã ãã£ã¹ã¿ã³ã¹ 1 ã®ãããã¯ãŒã¯ 192.168.1.66 ã«å°éã§ããŸãã
ããã§ãã³ã³ãã¥ãŒã¿ PC0 ãã IP ã¢ãã¬ã¹ 4 ãæã€ã«ãŒã¿ R10.1.1.2 ã®ã€ã³ã¿ãŒãã§ã€ã¹ã« ping ãå®è¡ãããšãæ£åžžã«å¿çãè¿ãããŸãã
ARP ã䜿çšãããšæåã®ãã±ããã倱ãããŸãããä»ã® XNUMX ã€ã®ãã±ããã¯åä¿¡è
ã«æ£åžžã«è¿ããããããæåã®è©Šè¡ã¯ãªã¯ãšã¹ã ã¿ã€ã ã¢ãŠã ã¡ãã»ãŒãžã§å€±æããŸããã ããã«ãããRIP ã«ãŒãã£ã³ã° ãããã³ã«ã䜿çšãããããã¯ãŒã¯äžã§ã®ãã€ã³ãããŒãã€ã³ãéä¿¡ãæäŸãããŸãã
ãããã£ãŠãã«ãŒã¿ãŒã«ãã RIP ãããã³ã«ã®äœ¿çšãæå¹ã«ããã«ã¯ãã³ãã³ã router ripãããŒãžã§ã³ 2ãããã³ network <å®å šã¯ã©ã¹åœ¢åŒã®ãããã¯ãŒã¯çªå· / ãããã¯ãŒã¯èå¥å> ãé£ç¶ããŠå ¥åããå¿ èŠããããŸãã
R4 èšå®ã«ç§»åããshow ip Route ã³ãã³ããå ¥åããŸãããã ãããã¯ãŒã¯ 10. ã¯ã«ãŒã¿ãŒã«çŽæ¥æ¥ç¶ãããŠããããããã¯ãŒã¯ 192.168.1.0/24 ã¯ããŒã f0/0ãIP ã¢ãã¬ã¹ 10.1.1.1 ãä»ã㊠RIP çµç±ã§ã¢ã¯ã»ã¹ã§ããããšãããããŸãã
192.168.1.0/24 ãããã¯ãŒã¯ã®å€èŠ³ã«æ³šç®ãããšãã«ãŒãã®èªåèŠçŽã«åé¡ãããããšãããããŸãã èªåèŠçŽãæå¹ã«ãªã£ãŠããå ŽåãRIP 㯠192.168.1.0/24 ãŸã§ã®ãã¹ãŠã®ãããã¯ãŒã¯ãèŠçŽããŸãã ã¿ã€ããŒãšã¯äœããèŠãŠã¿ãŸãããã RIP ãããã³ã«ã«ã¯ 4 ã€ã®äž»èŠãªã¿ã€ããŒããããŸãã
æŽæ°ã¿ã€ããŒã¯æŽæ°ã®éä¿¡é »åºŠãå¶åŸ¡ããRIP ã«ãŒãã£ã³ã°ã«åå ããŠãããã¹ãŠã®ã€ã³ã¿ãŒãã§ã€ã¹ã« 30 ç§ããšã«ãããã³ã«ã®æŽæ°ãéä¿¡ããŸãã ããã¯ãã«ãŒãã£ã³ã° ããŒãã«ãååŸããRIP ã¢ãŒãã§åäœããŠãããã¹ãŠã®ããŒãã«é
åžããããšãæå³ããŸãã
ã«ãŒã¿ãŒ 1 ããããã¯ãŒã¯ N2 ã«ãã£ãŠã«ãŒã¿ãŒ 2 ã«æ¥ç¶ãããŠãããšæ³åããŠã¿ãŸãããã æåã®ã«ãŒã¿ãŒã®åãš 1 çªç®ã®ã«ãŒã¿ãŒã®åŸã«ã¯ããããã¯ãŒã¯ N3 ãš N1 ããããŸãã ã«ãŒã¿ãŒ 2 ã¯ã«ãŒã¿ãŒ 1 ã«ããããã¯ãŒã¯ N2 ãš N2 ãèªèããŠããããšãäŒããæŽæ°ãéä¿¡ããŸãã ã«ãŒã¿ãŒ 1 ã¯ã«ãŒã¿ãŒ 2 ã«ããããã¯ãŒã¯ N3 ãš N30 ãèªèããŠããããšãäŒããŸãã ãã®å Žåãã«ãŒã¿ãŒã®ããŒã㯠XNUMX ç§ããšã«ã«ãŒãã£ã³ã° ããŒãã«ã亀æããŸãã
äœããã®çç±ã§ N1-R1 æ¥ç¶ãåæãããã«ãŒã¿ãŒ 1 ã N1 ãããã¯ãŒã¯ãšéä¿¡ã§ããªããªã£ããšæ³åããŠãã ããã ãã®åŸãæåã®ã«ãŒã¿ãŒã¯ãN2 ãããã¯ãŒã¯ã«é¢ããæŽæ°ã®ã¿ã 2 çªç®ã®ã«ãŒã¿ãŒã«éä¿¡ããŸãã æåã®ãã®ãããªæŽæ°ãåä¿¡ããã«ãŒã¿ãŒ 1 ã¯ããçŽ æŽããããä»åºŠã¯ãããã¯ãŒã¯ N180 ãç¡å¹ã¿ã€ããŒã«èšå®ããå¿ èŠãããããšèãããã®åŸç¡å¹ã¿ã€ããŒãéå§ããŸãã 1 ç§é㯠N180 ãããã¯ãŒã¯æŽæ°ã誰ãšã亀æããŸãããããã®æéãçµéãããšç¡å¹ã¿ã€ããŒãåæ¢ãããæŽæ°ã¿ã€ããŒãåã³éå§ãããŸãã ãã® 1 ç§éã« N180 ãããã¯ãŒã¯ã®ç¶æ ã®æŽæ°ãåä¿¡ããªãã£ãå ŽåãXNUMX ç§éæç¶ããããŒã«ã ããŠã³ ã¿ã€ããŒãèšå®ãããŸããã€ãŸããããŒã«ã ããŠã³ ã¿ã€ããŒã¯ç¡å¹ã¿ã€ããŒãçµäºããçŽåŸã«éå§ãããŸãã
åæã«ãå¥ã® 1 çªç®ã®ãã©ãã·ã¥ ã¿ã€ããŒãå®è¡ãããŠãããç¡å¹ã¿ã€ããŒãšåæã«éå§ãããŸãã ãã®ã¿ã€ããŒã¯ããããã¯ãŒã¯ N240 ã«é¢ããæåŸã®éåžžã®æŽæ°ãåä¿¡ããŠââããããããã¯ãŒã¯ãã«ãŒãã£ã³ã° ããŒãã«ããåé€ããããŸã§ã®æéééã決å®ããŸãã ãããã£ãŠããã®ã¿ã€ããŒã®æéã 1 ç§ã«éãããšããããã¯ãŒã¯ NXNUMX 㯠XNUMX çªç®ã®ã«ãŒã¿ãŒã®ã«ãŒãã£ã³ã° ããŒãã«ããèªåçã«é€å€ãããŸãã
ãããã£ãŠãUpdate Timer 㯠30 ç§ããšã«æŽæ°ãéä¿¡ããŸãã ç¡å¹ãªã¿ã€ããŒã¯ 180 ç§ããšã«å®è¡ãããæ°ããæŽæ°ãã«ãŒã¿ãŒã«å°éãããŸã§åŸ æ©ããŸãã åä¿¡ããªãå Žåããã®ãããã¯ãŒã¯ã¯ä¿çç¶æ ã«ãªããããŒã«ãããŠã³ ã¿ã€ããŒã 180 ç§ããšã«å®è¡ãããŸãã ãã ããç¡å¹ã¿ã€ããŒãšãã©ãã·ã¥ ã¿ã€ããŒã¯åæã«éå§ãããããããã©ãã·ã¥ã®éå§ãã 240 ç§åŸã«ãæŽæ°ã«èšèŒãããŠããªããããã¯ãŒã¯ã¯ã«ãŒãã£ã³ã° ããŒãã«ããé€å€ãããŸãã ãããã®ã¿ã€ããŒã®ç¶ç¶æéã¯ããã©ã«ãã§èšå®ãããŠãããå€æŽã§ããŸãã ããã RIP ã¿ã€ããŒã§ãã
次ã«ãRIP ãããã³ã«ã®å¶éã«ã€ããŠèããŠã¿ãŸããããå¶éã¯æ°å€ããããŸãã äž»ãªå¶éã® XNUMX ã€ã¯èªååèšã§ãã
ãããã¯ãŒã¯ 192.168.1.0/24 ã«æ»ããŸãããã ã«ãŒã¿ãŒ 3 ã¯ã/4 ã§ç€ºããã 1.0 ãããã¯ãŒã¯å
šäœã«ã€ããŠã«ãŒã¿ãŒ 24 ã«äŒããŸãã ããã¯ããããã¯ãŒã¯ ID ãšãããŒããã£ã¹ã ã¢ãã¬ã¹ãå«ãããã®ãããã¯ãŒã¯äžã® 256 åã® IP ã¢ãã¬ã¹ãã¹ãŠãå©çšå¯èœã§ããããšãæå³ããŸããã€ãŸãããã®ç¯å²å
ã® IP ã¢ãã¬ã¹ãæã€ããã€ã¹ããã®ã¡ãã»ãŒãžã¯ 10.1.1.1 ãããã¯ãŒã¯çµç±ã§éä¿¡ãããŸãã ã«ãŒãã£ã³ã°ããŒãã« R3 ãèŠãŠã¿ãŸãããã
ãããã¯ãŒã¯ 192.168.1.0/26 ã 3 ã€ã®ãµããããã«åå²ãããŠããããšãããããŸãã ããã¯ãã«ãŒã¿ãŒãã/192.168.1.0 ãããã¯ãŒã¯ã«å±ãã 192.168.1.64 ã€ã®æå®ããã IP ã¢ãã¬ã¹ (192.168.1.128ã26ãããã³ 192.168.1.192) ããèªèããŠããªãããšãæå³ããŸãã ãã ããããšãã°ã192.168.1.225 ïœ XNUMX ã®ç¯å²ã«ãã IP ã¢ãã¬ã¹ãæã€ããã€ã¹ã«ã€ããŠã¯äœãç¥ããŸããã
ããããäœããã®çç±ã§ãR4 ã¯ãR3 ãéä¿¡ãããã©ãã£ãã¯ãã€ãŸã 192.168.1.0/24 ãããã¯ãŒã¯äžã®ãã¹ãŠã® IP ã¢ãã¬ã¹ã«ã€ããŠãã¹ãŠç¥ã£ãŠãããšèããŠããŸãããããã¯å®å šã«èª€ãã§ãã åæã«ãã«ãŒã¿ãŒã¯äºãã«ã欺çãããããã«ãã©ãã£ãã¯ããããããå§ããå¯èœæ§ããããŸããçµå±ã®ãšãããã«ãŒã¿ãŒ 3 ã«ã¯ããã®ãããã¯ãŒã¯ã®ãµããããã«é¢ãããã¹ãŠãç¥ã£ãŠããããšã 3 çªç®ã®ã«ãŒã¿ãŒã«äŒããæš©å©ããããŸããã ããã¯ããèªååèšããšåŒã°ããåé¡ã«ãã£ãŠçºçããŸãã ããã¯ããã©ãã£ãã¯ãç°ãªã倧èŠæš¡ãããã¯ãŒã¯éã移åãããšãã«çºçããŸãã ããšãã°ããã®äŸã§ã¯ãã¯ã©ã¹ C ã¢ãã¬ã¹ãæã€ãããã¯ãŒã¯ããRXNUMX ã«ãŒã¿ãŒãä»ããŠã¯ã©ã¹ A ã¢ãã¬ã¹ãæã€ãããã¯ãŒã¯ã«æ¥ç¶ãããŠããŸãã
R3 ã«ãŒã¿ãŒã¯ããããã®ãããã¯ãŒã¯ãåããã®ãšèŠãªãããã¹ãŠã®ã«ãŒããåäžã®ãããã¯ãŒã¯ ã¢ãã¬ã¹ 192.168.1.0 ã«èªåçã«èŠçŽããŸãã 以åã®ãããªã§ã¹ãŒããŒããã ã«ãŒãã®æŠèŠã«ã€ããŠè©±ããå
容ãæãåºããŠãã ããã åèšã®çç±ã¯åçŽã§ããã«ãŒã¿ãŒã¯ãã«ãŒãã£ã³ã° ããŒãã«å
ã® 192.168.1.0 ã€ã®ãšã³ã㪠(ããã§ã¯ 24 çµç±ã®ãšã³ã㪠120/1 [10.1.1.1/3]) ã®æ¹ã XNUMX ã€ã®ãšã³ããªãããåªããŠãããšä¿¡ããŠããããã§ãã ãããã¯ãŒã¯ãæ°çŸã®å°ããªãµããããã§æ§æãããŠããå ŽåãéçŽãç¡å¹ã«ãªã£ãŠãããšãã«ãŒãã£ã³ã° ããŒãã«ã¯èšå€§ãªæ°ã®ã«ãŒãã£ã³ã° ãšã³ããªã§æ§æãããŸãã ãããã£ãŠãã«ãŒãã£ã³ã° ããŒãã«ã«å€§éã®æ
å ±ãèç©ãããã®ãé²ãããã«ãèªåã«ãŒãéçŽã䜿çšãããŸãã
ãã ãããã®å Žåãã«ãŒãã®èªåèŠçŽã«ãããã«ãŒã¿ã«èª€ã£ãæ å ±ã®äº€æã匷å¶ããããããåé¡ãçºçããŸãã ãããã£ãŠãR3 ã«ãŒã¿ãŒã®èšå®ã«ç§»åããã«ãŒãã®èªåéçŽãçŠæ¢ããã³ãã³ããå ¥åããå¿ èŠããããŸãã
ãããè¡ãã«ã¯ãã³ãã³ããrouter ripããšãno auto-summaryããé çªã«å ¥åããŸãã ãã®åŸãæŽæ°ããããã¯ãŒã¯å šäœã«åºãããŸã§åŸ ã€å¿ èŠããããŸãããã®åŸãR4 ã«ãŒã¿ãŒã®èšå®ã§ show ip Route ã³ãã³ãã䜿çšã§ããããã«ãªããŸãã
ã«ãŒãã£ã³ã° ããŒãã«ãã©ã®ããã«å€æŽãããããããããŸãã 192.168.1.0 çµç±ã®ãšã³ã㪠24/120 [1/10.1.1.1] ã¯ããŒãã«ã®åã®ããŒãžã§ã³ããä¿åãããŠãããæŽæ°ã¿ã€ããŒã®ããã㧠30 ç§ããšã«æŽæ°ããããšã³ããªã 240 ã€ãããŸãã ãã©ãã·ã¥ ã¿ã€ããŒã«ãããæŽæ°åŸ 30 ç§ + 270 ç§ãã€ãŸã XNUMX ç§åŸã«ããã®ãããã¯ãŒã¯ãã«ãŒãã£ã³ã° ããŒãã«ããåé€ãããŸãã
ãããã¯ãŒã¯ 192.168.1.0/26ã192.168.1.64/26ãããã³ 192.168.1.128/26 ã¯æ£ãããªã¹ããããŠããããããã©ãã£ãã¯ã®å®å
ãããã€ã¹ 192.168.1.225 ã§ããå Žåãã«ãŒã¿ã¯ããã€ã¹ãã©ãã«ãããããããªãããããã®ããã€ã¹ã¯ãã©ãã£ãã¯ãããããããŸãããã®ã¢ãã¬ã¹ã ããããåã®ã±ãŒã¹ã§ã¯ãR3 ã«å¯ŸããŠã«ãŒãã®èªåèŠçŽãæå¹ã«ãããšããã®ãã©ãã£ãã¯ã¯ 10.1.1.1 ãããã¯ãŒã¯ã«éä¿¡ãããŸãããããã¯å®å
šã«ééãã§ãããR3 ã¯ãããã®ãã±ããããã以äžéä¿¡ããã«ããã«ããããããå¿
èŠãããããã§ãã
ãããã¯ãŒã¯ç®¡çè ã¯ãäžèŠãªãã©ãã£ãã¯ãæå°éã«æãããããã¯ãŒã¯ãäœæããå¿ èŠããããŸãã ããšãã°ããã®å Žåããã®ãã©ãã£ãã¯ã R3 çµç±ã§è»¢éããå¿ èŠã¯ãããŸããã ããªãã®ä»äºã¯ããããã¯ãŒã¯ ã¹ã«ãŒããããå¯èœãªéãåäžããããã©ãã£ãã¯ãå¿ èŠã®ãªãããã€ã¹ã«éä¿¡ãããã®ãé²ãããšã§ãã
RIP ã®æ¬¡ã®å¶éã¯ãã«ãŒããã€ãŸãã«ãŒãã£ã³ã° ã«ãŒãã§ãã ã«ãŒãã£ã³ã° ããŒãã«ãæ£ããæŽæ°ããããšãã®ãããã¯ãŒã¯ ã³ã³ããŒãžã§ã³ã¹ã«ã€ããŠã¯ãã§ã«èª¬æããŸããã ãã®å Žåãã«ãŒã¿ãŒã¯ 192.168.1.0/24 ãããã¯ãŒã¯ã«ã€ããŠäœãç¥ããªãå Žåããã®ãããã¯ãŒã¯ã®æŽæ°ãåä¿¡ãã¹ãã§ã¯ãããŸããã æè¡çã«ã¯ãã³ã³ããŒãžã§ã³ã¹ãšã¯ãã«ãŒãã£ã³ã° ããŒãã«ãæ£ããæ
å ±ã§ã®ã¿æŽæ°ãããããšãæå³ããŸãã ããã¯ãã«ãŒã¿ãŒã®é»æºããªãã«ãªããåèµ·åãããããããã¯ãŒã¯ã«åæ¥ç¶ããããªã©ã®ãšãã«çºçããŸãã åæãšã¯ãå¿
èŠãªã«ãŒãã£ã³ã° ããŒãã«ã®æŽæ°ããã¹ãŠå®äºããå¿
èŠãªèšç®ããã¹ãŠå®è¡ãããç¶æ
ã§ãã
RIP ã¯ã³ã³ããŒãžã§ã³ã¹ãéåžžã«æªããéåžžã«é
ãã«ãŒãã£ã³ã° ãããã³ã«ã§ãã ãã®é
ãã®ãããã«ãŒãã£ã³ã° ã«ãŒããã€ãŸããç¡éã«ãŠã³ã¿ãåé¡ãçºçããŸãã
åã®äŸãšåæ§ã®ãããã¯ãŒã¯å³ãæããŸããã«ãŒã¿ãŒ 1 ã¯ãããã¯ãŒã¯ N2 ã«ãã£ãŠã«ãŒã¿ãŒ 2 ã«æ¥ç¶ããããããã¯ãŒã¯ N1 ã¯ã«ãŒã¿ãŒ 1 ã«æ¥ç¶ããããããã¯ãŒã¯ N2 ã¯ã«ãŒã¿ãŒ 3 ã«æ¥ç¶ãããŸãã äœããã®çç±ã§ N1-R1 æ¥ç¶ãåæããããšä»®å®ããŸãã
ã«ãŒã¿ãŒ 2 ã¯ããããã¯ãŒã¯ N1 ãã«ãŒã¿ãŒ 1 çµç±ã§ 1 ãããã§å°éå¯èœã§ããããšãèªèããŠããŸããããã®ãããã¯ãŒã¯ã¯çŸåšæ©èœããŠããŸããã ãããã¯ãŒã¯ã«é害ãçºçãããšãã¿ã€ã㌠ããã»ã¹ãéå§ãããã«ãŒã¿ãŒ 2 ããããã¯ãŒã¯ãããŒã«ã ããŠã³ç¶æ
ã«ããŸãã ãã ããã«ãŒã¿ 1 ã¯æŽæ°ã¿ã€ããŒãå®è¡ããŠãããèšå®ãããæéã«ãªããšããããã¯ãŒã¯ N1 ã 1 ãããã§ãããã¯ãŒã¯ N2 ã«ã¢ã¯ã»ã¹ã§ããããšã瀺ãæŽæ°ãã«ãŒã¿ 1 ã«éä¿¡ããŸãã ãã®æŽæ°ã¯ããããã¯ãŒã¯ NXNUMX ã®é害ã«é¢ããæŽæ°ãã«ãŒã¿ XNUMX ã«éä¿¡ããåã«ãã«ãŒã¿ XNUMX ã«å°çããŸãã
ãã®æŽæ°ãåä¿¡ããã«ãŒã¿ãŒ 1 ã¯ã次ã®ããã«èããŸãããæ¥ç¶ãããŠãã N1 ãããã¯ãŒã¯ãäœããã®çç±ã§æ©èœããŠããªãããšã¯ããã£ãŠããŸãããã«ãŒã¿ãŒ 2 ã¯ã2 ãããã§ãããã¯ãŒã¯ãä»ããŠå©çšã§ãããšæããŠãããŸããã ç§ã¯åœŒã®èšãããšãä¿¡ããŠããã®ã§ããããã 1 ã€è¿œå ããã«ãŒãã£ã³ã° ããŒãã«ãæŽæ°ããŠããããã¯ãŒã¯ N2 ãã«ãŒã¿ãŒ XNUMX çµç±ã§ XNUMX ãããã§ã¢ã¯ã»ã¹ã§ãããšããæŽæ°ãã«ãŒã¿ãŒ XNUMX ã«éä¿¡ããŸããã
æåã®ã«ãŒã¿ãŒãããã®æŽæ°ãåä¿¡ãããšãã«ãŒã¿ãŒ 2 ã¯æ¬¡ã®ããã«èšããŸãããããããŸãããå
ã»ã© R1 ããæŽæ°ãåãåããŸãããããã¯ãN1 ãããã¯ãŒã¯ã 3 ããã㧠R2 çµç±ã§å©çšå¯èœã§ããããšã瀺ããŠããŸãã ä»ã圌ã¯ããã1ãããã§å©çšã§ãããšèšããŸããã ãããããããã¯ãŒã¯ã§äœããå€ãã£ãã®ã§ããããä¿¡ããããåŸãªãã®ã§ããããã 4 ã€è¿œå ããŠã«ãŒãã£ã³ã° ããŒãã«ãæŽæ°ããŸããã ãã®åŸãRXNUMX ã¯ããããã¯ãŒã¯ NXNUMX ã XNUMX ãããã§å©çšå¯èœã«ãªã£ãããšã瀺ãæŽæ°ãæåã®ã«ãŒã¿ãŒã«éä¿¡ããŸãã
äœãåé¡ãããããŸãã? äž¡æ¹ã®ã«ãŒã¿ãŒã¯æŽæ°ãçžäºã«éä¿¡ããæ¯å 16 ããããè¿œå ããæçµçã«ãããæ°ã¯å€§ããªæ°ã«éããŸãã RIP ãããã³ã«ã§ã¯ãæ倧ãããæ°ã¯ 1969 ã§ããããã®å€ã«éãããšãã«ãŒã¿ãŒã¯åé¡ãããããšãèªèãããã®ã«ãŒããã«ãŒãã£ã³ã° ããŒãã«ããåé€ããŸãã ããã¯ãRIP ã®ã«ãŒãã£ã³ã° ã«ãŒãã®åé¡ã§ãã ããã¯ãRIP ãè·é¢ãã¯ãã« ãããã³ã«ã§ããããã§ããããããã¯ãŒã¯ ã»ã¯ã·ã§ã³ã®ç¶æ
ã«ã¯æ³šæãæãããè·é¢ã®ã¿ãç£èŠããŸãã XNUMX 幎ãã³ã³ãã¥ãŒã¿ãŒ ãããã¯ãŒã¯ãçŸåšãããã¯ããã«é
ãã£ããšããè·é¢ãã¯ãã«ã®ã¢ãããŒããæ£åœåããããããRIP éçºè
ã¯äž»ãªã¡ããªãã¯ãšããŠããã ã«ãŠã³ããéžæããŸããã ããããä»æ¥ãã®ã¢ãããŒãã¯å€ãã®åé¡ãåŒãèµ·ãããããçŸä»£ã®ãããã¯ãŒã¯ã¯ OSPF ãªã©ã®ããé«åºŠãªã«ãŒãã£ã³ã° ãããã³ã«ã«åºãåãæ¿ããããŠããŸãã äºå®äžããã®ãããã³ã«ã¯ã»ãšãã©ã®ã°ããŒãã«äŒæ¥ã®ãããã¯ãŒã¯ã®æšæºãšãªã£ãŠããŸãã ãã®ãããã³ã«ã«ã€ããŠã¯ã次ã®ãããªã®ããããã§è©³ãã説æããŸãã
ãã RIP ã«ã¯æ»ããŸããããã®æãå€ããããã¯ãŒã¯ ãããã³ã«ã®äŸã䜿çšããŠãã«ãŒãã£ã³ã°ã®åºæ¬ãšããã®ãããã³ã«ã倧èŠæš¡ãããã¯ãŒã¯ã§äœ¿çšããªãããã«ããããšããåé¡ã«ã€ããŠã¯ååã«èª¬æããããã§ãã 次ã®ãã㪠ã¬ãã¹ã³ã§ã¯ãææ°ã®ã«ãŒãã£ã³ã° ãããã³ã«ã§ãã OSPF ãš EIGRP ãèŠãŠãããŸãã
ãã€ãã宿æ³ããã ãããããšãããããŸãã ç§ãã¡ã®èšäºãæ°ã«å ¥ã£ãŠããŸãã? ãã£ãšèå³æ·±ãã³ã³ãã³ããèŠããã§ãã? 泚æããããå人ã«å§ãããããŠç§ãã¡ããµããŒãããŠãã ããã Habr ãŠãŒã¶ãŒã¯ãåœç€Ÿãããªãã®ããã«çºæããããšã³ããªãŒã¬ãã«ã®ãµãŒããŒã«äŒŒããŠããŒã¯ãªè£œåã 30% å²åŒã§ãå©çšããã ããŸãã
Dell R730xdã¯2åå®ãïŒ ããã ã
åºæïŒ habr.com