ã¹ã€ããã®äžçãžããããïŒ ä»æ¥ã¯ã¹ã€ããã«ã€ããŠã話ããŸãã ããªãããããã¯ãŒã¯ç®¡çè ã§ãæ°ããäŒç€Ÿã®ãªãã£ã¹ã«ãããšä»®å®ããŸãããã ãããŒãžã£ãŒãããã«äœ¿ããã¹ã€ãããæã£ãŠããªãã«è¿ã¥ãããããèšå®ããããã«é Œã¿ãŸãã ç§ãã¡ãæ®éã®é»æ°ã¹ã€ããã«ã€ããŠè©±ããŠãããšæããããããŸãã (è±èªã§ã¯ãã¹ã€ãããšããåèªã¯ãããã¯ãŒã¯ ã¹ã€ãããšé»æ°ã¹ã€ããã®äž¡æ¹ãæå³ããŸã - 翻蚳è 泚) ããããã§ã¯ãããŸããããããã¯ãŒã¯ ã¹ã€ããããŸã㯠Cisco ã¹ã€ãããæå³ããŸãã
ããã§ããããŒãžã£ãŒã¯ãå€ãã®ã€ã³ã¿ãŒãã§ã€ã¹ãåããæ°ãã Cisco ã¹ã€ãããæäŸããŸãã 8,16 ãŸã㯠24 ããŒã ã¹ã€ããã«ããããšãã§ããŸãã ãã®å Žåãã¹ã©ã€ãã«ã¯ãåé¢ã« 48 åã®ããŒããããã4 ããŒãã〠12 ã€ã®ã»ã¯ã·ã§ã³ã«åå²ãããŠããã¹ã€ããã瀺ãããŠããŸãã åã®ã¬ãã¹ã³ãããããããã«ãã¹ã€ããã®èåŸã«ã¯ããã«ããã€ãã®ã€ã³ã¿ãŒãã§ã€ã¹ãããããã®ãã¡ã® XNUMX ã€ã¯ã³ã³ãœãŒã« ããŒãã§ãã ã³ã³ãœãŒã« ããŒãã¯ããã€ã¹ãžã®å€éšã¢ã¯ã»ã¹ã«äœ¿çšãããã¹ã€ããã®ãªãã¬ãŒãã£ã³ã° ã·ã¹ãã ãã©ã®ããã«ããŒããããŠãããã確èªã§ããŸãã
ååãå©ããããšãã«ãªã¢ãŒã ãã¹ã¯ãããã䜿çšããå Žåã«ã€ããŠã¯ãã§ã«èª¬æããŸããã ããªãã¯å人ã®ã³ã³ãã¥ãŒã¿ã«æ¥ç¶ããŠå€æŽãå ããŸãããå人ã«ã³ã³ãã¥ãŒã¿ãåèµ·åããŠãããããå Žåã¯ãã¢ã¯ã»ã¹ã§ããªããªããèªã¿èŸŒã¿æã«ç»é¢ã§äœãèµ·ãã£ãŠããããèŠãããšãã§ããªããªããŸãã ãã®åé¡ã¯ããã®ããã€ã¹ã«å€éšããã¢ã¯ã»ã¹ã§ããããããã¯ãŒã¯çµç±ã§ã®ã¿æ¥ç¶ãããŠããå Žåã«çºçããŸãã
ãã ãããªãã©ã€ã³ã§ã¢ã¯ã»ã¹ã§ããå Žåã¯ãããŒãç»é¢ãIOS ã®è§£åããã®ä»ã®ããã»ã¹ã衚瀺ã§ããŸãã ãã®ããã€ã¹ã«ã¢ã¯ã»ã¹ãããã XNUMX ã€ã®æ¹æ³ã¯ãåé¢ããŒãã®ããããã«æ¥ç¶ããããšã§ãã ãã®ãããªã§ç€ºãããŠããããã«ããã®ããã€ã¹ã§ IP ã¢ãã¬ã¹ç®¡çãæ§æããŠããå Žåã¯ãTelnet çµç±ã§ã¢ã¯ã»ã¹ã§ããããã«ãªããŸãã åé¡ã¯ãããã€ã¹ã®é»æºããªãã«ãªããšããã«ãã®ã¢ã¯ã»ã¹ã倱ãããããšã§ãã
æ°ããã¹ã€ããã®åæèšå®ãè¡ãæ¹æ³ãèŠãŠã¿ãŸãããã æ§æèšå®ã«çŽæ¥é²ãåã«ãããã€ãã®åºæ¬çãªã«ãŒã«ã玹ä»ããå¿ èŠããããŸãã
ã»ãšãã©ã®ãã㪠ãã¥ãŒããªã¢ã«ã§ã¯ãCisco IOS ãªãã¬ãŒãã£ã³ã° ã·ã¹ãã ããšãã¥ã¬ãŒãã§ãããšãã¥ã¬ãŒã¿ã§ãã GNS3 ã䜿çšããŸããã å€ãã®å Žåãããšãã°ã«ãŒãã£ã³ã°ãã©ã®ããã«è¡ããããã瀺ãå Žåãªã©ãè€æ°ã®ããã€ã¹ãå¿
èŠã«ãªããŸãã ãã®å Žåãããšãã° 3 ã€ã®ããã€ã¹ãå¿
èŠã«ãªãå¯èœæ§ããããŸãã ç©çããã€ã¹ã賌å
¥ãã代ããã«ãããã€ã¹ã® XNUMX ã€ã®ãªãã¬ãŒãã£ã³ã° ã·ã¹ãã ã䜿çšã㊠GNSXNUMX ã«æ¥ç¶ããè€æ°ã®ä»®æ³ããã€ã¹ ã€ã³ã¹ã¿ã³ã¹ã§ãã® IOS ããšãã¥ã¬ãŒãã§ããŸãã
ãããã£ãŠãç©ççã«ã«ãŒã¿ãŒã 5 å°æã€å¿ èŠã¯ãªããã«ãŒã¿ãŒã¯ 3 å°ã ãã§æžã¿ãŸãã ã³ã³ãã¥ãŒã¿ãŒã§ãªãã¬ãŒãã£ã³ã° ã·ã¹ãã ã䜿çšãããšãã¥ã¬ãŒã¿ãŒãã€ã³ã¹ããŒã«ããXNUMX ã€ã®ããã€ã¹ ã€ã³ã¹ã¿ã³ã¹ãååŸã§ããŸãã ãããè¡ãæ¹æ³ã«ã€ããŠã¯åŸã®ãã㪠ãã¥ãŒããªã¢ã«ã§èª¬æããŸãããçŸæç¹ã§ GNSXNUMX ãšãã¥ã¬ãŒã¿ã䜿çšããå Žåã®åé¡ã¯ãCisco ã¹ã€ããã«ã¯ããŒããŠã§ã¢ ASIC ããããæèŒãããŠãããããGNSXNUMX ãšãã¥ã¬ãŒã¿ã§ã¹ã€ããããšãã¥ã¬ãŒãã§ããªãããšã§ãã å®éã«ã¹ã€ãããã¹ã€ããã«ããã®ã¯ç¹æ®ãª IC ã§ããããããã®ããŒããŠã§ã¢æ©èœãåçŽã«ãšãã¥ã¬ãŒãããããšã¯ã§ããŸããã
äžè¬ã«ãGNS3 ãšãã¥ã¬ãŒã¿ã¯ã¹ã€ããã®åäœã«åœ¹ç«ã¡ãŸãããGNSXNUMX ãšãã¥ã¬ãŒã¿ã䜿çšããŠå®è£
ã§ããªãæ©èœãããã€ããããŸãã ãããã£ãŠããã®ãã¥ãŒããªã¢ã«ãšä»ã®ããã€ãã®ãããªã§ã¯ãCisco Packet Tracer ãšããå¥ã® Cisco ãœãããŠã§ã¢ã䜿çšããŸããã Cisco Packet Tracer ã«ã¢ã¯ã»ã¹ããæ¹æ³ãç§ã«å°ããªãã§ãã ãããGoogle ã䜿çšããŠèª¿ã¹ãããšãã§ããŸãããã®ã¢ã¯ã»ã¹ãååŸããã«ã¯ãNetwork Academy ã®ã¡ã³ããŒã§ããå¿
èŠãããããšã ããèšã£ãŠãããŸãã
Cisco ICND ã³ãŒã¹ã®åŠç¿äžã«ãCisco Packet Tracer ã«ã¢ã¯ã»ã¹ããããç©çããã€ã¹ãŸã㯠GNS3 ã«ã¢ã¯ã»ã¹ãããããããã®ããŒã«ã®ããããã䜿çšãããã§ããŸãã ã«ãŒã¿ãŒããªãã¬ãŒãã£ã³ã° ã·ã¹ãã ãã¹ã€ãããããå Žå㯠GNS3 ã䜿çšã§ããåé¡ãªãåäœããŸããç©çããã€ã¹ãŸãã¯ãã±ãã ãã¬ãŒãµãŒã䜿çšããããšãã§ããŸããã©ã¡ããæé©ããå€æããŠãã ããã
ãã ãããã㪠ãã¥ãŒããªã¢ã«ã§ã¯ç¹ã« Packet Tracer ã䜿çšããã€ãããªã®ã§ãPacket Tracer å°çšãš GNS3 å°çšã® XNUMX ã€ã®ãããªãçšæããŸããããã«æçš¿ããäºå®ã§ãããä»ã®ãšããã¯æ¬¡ã®ãããªã䜿çšããŸãããã±ãããã¬ãŒãµãŒã å€èŠ³ã¯æ¬¡ã®ãšããã§ãã Network Academy ã«ãã¢ã¯ã»ã¹ã§ããå Žåã¯ããã®ããã°ã©ã ã«ã¢ã¯ã»ã¹ã§ããŸããããã§ãªãå Žåã¯ãä»ã®ããŒã«ã䜿çšã§ããŸãã
ããŠãä»æ¥ã¯ã¹ã€ããã«ã€ããŠè©±ããŠããã®ã§ããã¹ã€ãããé
ç®ããã§ãã¯ãã2960 ã·ãªãŒãºã®ã¹ã€ããã¢ãã«ãéžæãããã®ã¢ã€ã³ã³ãããã°ã©ã ãŠã£ã³ããŠã«ãã©ãã°ããŸãã ãã®ã¢ã€ã³ã³ãããã«ã¯ãªãã¯ãããšãã³ãã³ã ã©ã€ã³ ã€ã³ã¿ãŒãã§ã€ã¹ã«ç§»åããŸãã
次ã«ãã¹ã€ããã®ãªãã¬ãŒãã£ã³ã° ã·ã¹ãã ãã©ã®ããã«ããŒãããããã確èªããŸãã
ç©çããã€ã¹ãååŸããŠã³ã³ãã¥ãŒã¿ã«æ¥ç¶ãããšãCisco IOS ã®èµ·åãšãŸã£ããåãç»é¢ã衚瀺ãããŸãã ãªãã¬ãŒãã£ã³ã° ã·ã¹ãã ã解åãããŠããããšããããããœãããŠã§ã¢ã®äœ¿çšå¶éã䜿çšèš±è«Ÿå¥çŽãèäœæš©æ
å ±ã®äžéšãèªãããšãã§ããŸã...ããããã¹ãŠããã®ãŠã£ã³ããŠã«è¡šç€ºãããŸãã
次ã«ãOS ãå®è¡ãããŠãããã©ââãããã©ãŒã (ãã®å Žå㯠WS-C2690-24TT ã¹ã€ãã) ã衚瀺ãããããŒããŠã§ã¢ã®ãã¹ãŠã®æ©èœã衚瀺ãããŸãã ããã°ã©ã ã®ããŒãžã§ã³ãããã«è¡šç€ºãããŸãã 次ã«ãã³ãã³ã ã©ã€ã³ã«çŽæ¥ç§»åããŸããèŠããŠãããšæããŸãããããã«ã¯ãŠãŒã¶ãŒåãã®ãã³ãããããŸãã ããšãã°ãèšå· ( > ) ã¯ã³ãã³ãã®å ¥åãä¿ããŸãã 5 æ¥ç®ã®ãã㪠ãã¥ãŒããªã¢ã«ããããããããã€ã¹èšå®ã«ã¢ã¯ã»ã¹ããããã®æåã®æãäœãã¢ãŒãããããããŠãŒã¶ãŒ EXEC ã¢ãŒãã§ããããšãããããŸãã ãã®ã¢ã¯ã»ã¹ã¯ãä»»æã® Cisco ããã€ã¹ããååŸã§ããŸãã
Packet Tracer ã䜿çšãããšãããã€ã¹ãžã®ãªãã©ã€ã³ OOB ã¢ã¯ã»ã¹ãå¯èœã«ãªããããã€ã¹ãã©ã®ããã«èµ·åãããã確èªã§ããŸãã ãã®ããã°ã©ã ã¯ãã³ã³ãœãŒã« ããŒããä»ããã¹ã€ãããžã®ã¢ã¯ã»ã¹ãã·ãã¥ã¬ãŒãããŸãã ãŠãŒã¶ãŒEXECã¢ãŒãããç¹æš©EXECã¢ãŒãã«å€æŽããã«ã¯ã©ãããã°ããã§ãã? ã³ãã³ããenableããå ¥åã㊠Enter ããŒãæŒããšããenããšå ¥åããã ãã§ãã³ãã䜿çšããŠããã®æåã§å§ãŸãå¯èœãªã³ãã³ã ãªãã·ã§ã³ãååŸããããšãã§ããŸãã ãeããšããæåã ããå ¥åããå Žåããeãã§å§ãŸãã³ãã³ãã XNUMX ã€ãããããããã€ã¹ã¯ãã®æå³ãç解ã§ããŸããããããããenããšå ¥åãããšãã·ã¹ãã ã¯ãããã®ã³ãã³ãã§å§ãŸãå¯äžã®åèªã§ããããšãç解ããŸãã XNUMX æåãæå¹ã§ãã ãããã£ãŠããã®ã³ãã³ããå ¥åãããšãç¹æš© Exec ã¢ãŒãã«ã¢ã¯ã»ã¹ã§ããããã«ãªããŸãã
ãã®ã¢ãŒãã§ã¯ãXNUMX çªç®ã®ã¹ã©ã€ãã«ç€ºãããŠãããã¹ãŠã®ããšãå®è¡ã§ããŸãããã¹ãåã®å€æŽããã°ã€ã³ ãããŒã®èšå®ãTelnet ãã¹ã¯ãŒãããã¹ã¯ãŒãå ¥åã®æå¹åãIP ã¢ãã¬ã¹ã®æ§æãããã©ã«ã ã²ãŒããŠã§ã€ã®èšå®ããã¹ã¯ãŒãããªãã«ããã³ãã³ãã®å®è¡ã§ããããã€ã¹ã®å Žåã¯ã以åã«å ¥åããã³ãã³ãããã£ã³ã»ã«ããå ããèšå®ã®å€æŽãä¿åããŸãã
ãããã¯ãããã€ã¹ãåæåãããšãã«äœ¿çšãã 10 ã®åºæ¬ã³ãã³ãã§ãã ãããã®ãã©ã¡ãŒã¿ãå
¥åããã«ã¯ãã°ããŒãã« ã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ ã¢ãŒãã䜿çšããå¿
èŠããããŸããããã§ãã°ããŒãã« ã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ ã¢ãŒãã«åãæ¿ããŸãã
ãããã£ãŠãæåã®ãã©ã¡ãŒã¿ã¯ãã¹ãåã§ãããããã€ã¹å šäœã«é©çšããããããå€æŽã¯ã°ããŒãã« ã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ ã¢ãŒãã§è¡ãããŸãã ãããè¡ãã«ã¯ãã³ãã³ã ã©ã€ã³ã« Switch (config) # ãã©ã¡ãŒã¿ãå ¥åããŸãã ãã¹ãåãå€æŽããå Žåã¯ããã®è¡ã«ãã¹ãå NetworKing ãšå ¥åããEnter ããŒãæŒããšãã¹ã€ããã®ããã€ã¹åã NetworKing ã«å€æŽãããããšãããããŸãã ãã§ã«ä»ã®å€ãã®ããã€ã¹ãååšãããããã¯ãŒã¯ã«ãã®ã¹ã€ãããåå ãããå Žåããã®ååã¯ä»ã®ãããã¯ãŒã¯ ããã€ã¹éã®èå¥åãšããŠæ©èœãããããã¹ã€ããã«æå³ã®ããäžæã®ååãä»ããããã«ããŠãã ããã ãããã£ãŠããã®ã¹ã€ããã管çè ã®ãªãã£ã¹ãªã©ã«èšçœ®ãããŠããå Žåã¯ãAdminFloor1Room2 ãšããååãä»ããããšãã§ããŸãã ãããã£ãŠãããã€ã¹ã«è«çåãä»ãããšãã©ã®ã¹ã€ããã«æ¥ç¶ããŠããããå€æããã®ãéåžžã«ç°¡åã«ãªããŸãã ããã¯ããããã¯ãŒã¯ãæ¡å€§ãããšãã«ããã€ã¹å ã§æ··ä¹±ããªãããã«ããããã«éèŠã§ãã
次ã«ããã°ãªã³ ãã㌠ãã©ã¡ãŒã¿ãç¶ããŸãã ããã¯ããã°ã€ã³ã䜿çšããŠãã®ããã€ã¹ã«ãã°ã€ã³ãã人ãæåã«ç®ã«ãããã®ã§ãã ãã®ãã©ã¡ãŒã¿ã¯ã#banner ã³ãã³ãã䜿çšããŠèšå®ããŸãã 次ã«ãmotdãMessage of The DayããŸãã¯ãä»æ¥ã®ã¡ãã»ãŒãžããšããç¥èªãå ¥åã§ããŸãã è¡ã«çå笊ãå ¥åãããšããLINE with Banner-Text withãã®ãããªã¡ãã»ãŒãžã衚瀺ãããŸãã
ãããããããã«èŠããŸãããããã¯åã«ãsãïŒãã®å Žåã¯åºåãæåïŒä»¥å€ã®ä»»æã®æåããããã¹ããå ¥åã§ããããšãæå³ããŸãã ããã§ã¯ãã¢ã³ããµã³ã (&) ããå§ããŸãããã Enter ããŒãæŒããšããããŒã«ä»»æã®ããã¹ããå ¥åããè¡ã®å é ãšåãæå (&) ã§çµäºã§ããããã«ãªã£ããšã·ã¹ãã ã衚瀺ããŸãã ãããã£ãŠãã¢ã³ããµã³ãã§å§ããŠãã¡ãã»ãŒãžãã¢ã³ããµã³ãã§çµäºããå¿ èŠããããŸãã
ãããŒãã¢ã¹ã¿ãªã¹ã¯ (*) ã®è¡ã§éå§ãã次ã®è¡ã«ãæãå±éºãªã¹ã€ãã!ããšæžããŸãã ç«å ¥çŠæ¢"ïŒ çŽ æŽããããšæããŸãããã®ãããªæè¿ãããŒãèŠãã誰ã§ãæããã§ãããã
ãããç§ã®ãä»æ¥ã®ã¡ãã»ãŒãžãã§ãã ç»é¢äžã§ã©ã®ããã«èŠãããã確èªããã«ã¯ãCTRL+Z ãæŒããŠã°ããŒãã« ã¢ãŒãããç¹æš© EXEC ã¢ãŒãã«åãæ¿ããããããèšå®ã¢ãŒããçµäºããŸãã ããã¯ãç§ã®ã¡ãã»ãŒãžãç»é¢äžã§ã©ã®ããã«è¡šç€ºããããããããŠãã®ã¹ã€ããã«ãã°ã€ã³ããŠãã人ã«ã¯ãã®ããã«è¡šç€ºãããŸãã ããã¯ãã°ã€ã³ãããŒãšåŒã°ãããã®ã§ãã åµé åãçºæ®ããŠäœãæžããŠãæ§ããŸããããçå£ã«åãçµãããšããå§ãããŸãã ã€ãŸããåççãªããã¹ãã®ä»£ããã«ãã»ãã³ãã£ãã¯ãªè² è·ããŸã£ããæããªãã·ã³ãã«ã®ç»åããŠã§ã«ã«ã ãããŒãšããŠé
眮ãã人ãããŸãã ãã®ãããªãåµé æ§ãã劚ãããã®ã¯äœããããŸããããäœåãªæåã䜿çšãããšãããã€ã¹ã®ã¡ã¢ãª (RAM) ãšã·ã¹ãã èµ·åæã«äœ¿çšãããèšå®ãã¡ã€ã«ã«éè² è·ããããããšã ãã¯èŠããŠãããŠãã ããã ãã®ãã¡ã€ã«å
ã®æåæ°ãå€ãã»ã©ãã¹ã€ããã®ããŒããé
ããªããŸãããã®ãããèšå®ãã¡ã€ã«ãæå°éã«ããŠããããŒã®å
容ãé®®æãã€æ確ã«ããããã«ããŠãã ããã
次ã«ãã³ã³ãœãŒã«ãã¹ã¯ãŒãã®ãã¹ã¯ãŒããèŠãŠãããŸãã äžç¹å®ã®äººãããã€ã¹ã«å ¥ãã®ãé²ããŸãã ããã€ã¹ãéãããŸãŸã«ãããšä»®å®ããŸãã ç§ãããã«ãŒã§ããã°ãã©ããããããã³ã³ãœãŒã« ã±ãŒãã«ã§ã¹ã€ããã«æ¥ç¶ããã³ã³ãœãŒã«ã䜿çšããŠã¹ã€ããã«ãã°ã€ã³ãããã¹ã¯ãŒããå€æŽãããããã®ä»ã®æªæã®ããè¡çºãè¡ãã§ãããã ãã ããã³ã³ãœãŒã« ããŒãã§ãã¹ã¯ãŒãã䜿çšããŠããå Žåã¯ããã®ãã¹ã¯ãŒãã§ãããã°ã€ã³ã§ããŸããã 誰ããã³ã³ãœãŒã«ã«ãã°ã€ã³ããŠã¹ã€ããã®èšå®ãå€æŽããããšã¯æãŸãããããŸããã ããã§ããŸãçŸåšã®æ§æãèŠãŠã¿ãŸãããã
èšå®ã¢ãŒãã«ãªã£ãŠããã®ã§ã do sh run ã³ãã³ããå ¥åã§ããŸãã show run ã³ãã³ãã¯ãç¹æš© EXEC ã¢ãŒãã®ã³ãã³ãã§ãã ãã®ã¢ãŒãããã°ããŒãã« ã¢ãŒãã«å ¥ãå Žåã¯ããdoãã³ãã³ãã䜿çšããå¿ èŠããããŸãã ã³ã³ãœãŒã«è¡ãèŠããšãããã©ã«ãã§ã¯ãã¹ã¯ãŒãããªããè¡ con 0 ã衚瀺ãããŠããããšãããããŸãããã®è¡ã¯æ§æãã¡ã€ã«ã® XNUMX ã€ã®ã»ã¯ã·ã§ã³ã«ããããã®äžã¯å¥ã®ã»ã¯ã·ã§ã³ã§ãã
ãline consoleãã»ã¯ã·ã§ã³ã«ã¯äœããªãã®ã§ãã³ã³ãœãŒã« ããŒãçµç±ã§ã¹ã€ããã«æ¥ç¶ãããšãã³ã³ãœãŒã«ã«çŽæ¥ã¢ã¯ã»ã¹ã§ããããšã«ãªããŸãã ããã§ããendããšå
¥åãããšãç¹æš©ã¢ãŒãã«æ»ãããããããŠãŒã¶ãŒ ã¢ãŒãã«é²ãããšãã§ããŸãã ãã㧠Enter ããŒãæŒããšãããã«ã¯ãã¹ã¯ãŒãããªããããçŽæ¥ã³ãã³ã ã©ã€ã³ ããã³ãã ã¢ãŒãã«ç§»è¡ããŸããããããªããšãããã°ã©ã ãæ§æèšå®ãå
¥åããããã«èŠæ±ããŸãã
ããã§ããEnterããæŒããŠããã®è¡ã« line con 0 ãšå
¥åããŸããããCisco ããã€ã¹ã§ã¯ãã¹ãŠãæåããå§ãŸãããã§ãã ã³ã³ãœãŒã«ã XNUMX ã€ãããªãããããconããšç¥ããŸãã ããã§ããã¹ã¯ãŒã (ããšãã°ãCiscoããšããåèª) ãå²ãåœãŠãã«ã¯ãNetworKing (config-line) # è¡ã«ã³ãã³ã ãã¹ã¯ãŒã cisco ãå
¥åã㊠Enter ããŒãæŒãå¿
èŠããããŸãã
ããã§ãã¹ã¯ãŒããèšå®ã§ããŸãããããŸã äœããäžè¶³ããŠããŸãã ãã¹ãŠãããäžåºŠè©ŠããŠãèšå®ãçµäºããŸãããã ãã¹ã¯ãŒããèšå®ããŠããã«ãããããããã·ã¹ãã ã¯ãã¹ã¯ãŒããèŠæ±ããŸããã ãªãïŒ
ç§ãã¡ã圌女ã«å°ããªãã®ã§ã圌女ã¯ãã¹ã¯ãŒããå°ããŸããã ãã¹ã¯ãŒããèšå®ããŸãããããã©ãã£ãã¯ãããã€ã¹ã«å°çãå§ãããã©ããããã§ãã¯ããè¡ã¯æå®ããŸããã§ããã ç§ãã¡ã¯äœããã¹ããïŒ ããäžåºŠ line con 0 ãããè¡ã«æ»ãããloginããšããåèªãå ¥åããå¿ èŠããããŸãã
ããã¯ããã¹ã¯ãŒãã確èªããå¿
èŠãããããšãæå³ããŸããã€ãŸãããã°ã€ã³ããã«ã¯ãã°ã€ã³ãå¿
èŠã§ãã äœãåŸããããã確èªããŸãããã ãããè¡ãã«ã¯ãèšå®ãçµäºãããã㌠ãŠã£ã³ããŠã«æ»ããŸãã ãã®ããäžã«ããã¹ã¯ãŒãã®å
¥åãæ±ããè¡ãããããšãããããŸãã
ããã«ãã¹ã¯ãŒããå
¥åãããšãããã€ã¹ã®èšå®ã«å
¥ãããšãã§ããŸãã ãã®ããã«ããŠããŠãŒã¶ãŒã®èš±å¯ãªãã«ããã€ã¹ãžã®ã¢ã¯ã»ã¹ãå¹æçã«é²æ¢ãããã¹ã¯ãŒããç¥ã£ãŠãã人ã ããã·ã¹ãã ã«å
¥ãããšãã§ããããã«ãªããŸããã
ã¡ãã£ãšããåé¡ãããããšãããããŸããã ã·ã¹ãã ãç解ã§ããªãå 容ãå ¥åãããšãã·ã¹ãã ã¯ããããã¡ã€ã³åã§ãããšå€æããIP ã¢ãã¬ã¹ 255.255.255.255 ãžã®æ¥ç¶ãèš±å¯ããŠãµãŒããŒã®ãã¡ã€ã³åãèŠã€ããããšããŸãã
ãã®ãããªããšãèµ·ããå¯èœæ§ãããã®ã§ããã®ã¡ãã»ãŒãžã衚瀺ãããªãããã«ããæ¹æ³ã説æããŸãã ãªã¯ãšã¹ããã¿ã€ã ã¢ãŠãã«ãªããŸã§åŸ
ã€ããããŒããŒã ã·ã§ãŒãã«ãã Control + Shift + 6 ã䜿çšã§ããŸããç©çããã€ã¹ã§ãæ©èœããå ŽåããããŸãã
次ã«ãã·ã¹ãã ããã¡ã€ã³åãæ€çŽ¢ããªãããšã確èªããå¿ èŠããããŸãããã®ããã«ããno IP-domain lookupãã³ãã³ããå ¥åãããããã©ã®ããã«æ©èœãããã確èªããŸãã
ã芧ã®ãšãããã¹ã€ããèšå®ãåé¡ãªãæäœã§ããããã«ãªããŸããã ããäžåºŠèšå®ãçµäºããŠããããç»é¢ã«æ»ããåãééããç¯ããå Žåãã€ãŸã空ã®æååãå
¥åããå Žåãããã€ã¹ã¯ãã¡ã€ã³åã®æ€çŽ¢ã«æéã浪費ãããåã«ãäžæãªã³ãã³ãããšããã¡ãã»ãŒãžã衚瀺ããŸãããã°ã€ã³ ãã¹ã¯ãŒãã¯ãæ°ãã Cisco ããã€ã¹ã§è¡ãå¿
èŠãããäž»ãªäœæ¥ã® XNUMX ã€ã§ãã
次ã«ãTelnet ãããã³ã«ã®ãã¹ã¯ãŒãã«ã€ããŠèããŸãã ã³ã³ãœãŒã«ãžã®ãã¹ã¯ãŒãã®è¡ã«ãcon 0ãããã£ãå ŽåãTelnet ã®ãã¹ã¯ãŒãã®ããã©ã«ã ãã©ã¡ãŒã¿ã¯ãline vtyãã§ããã€ãŸããTelnet ã¯ç©ç端æ«ã§ã¯ãªãããããã¹ã¯ãŒãã¯ä»®æ³ç«¯æ«ã¢ãŒãã§èšå®ãããŸãããã ãä»®æ³ç·ã§ãã æåã®è¡ã® vty ãã©ã¡ãŒã¿ã¯ 0 ã§ãæåŸã®è¡ã¯ 15 ã§ãããã©ã¡ãŒã¿ã 15 ã«èšå®ãããšããã®ããã€ã¹ã«ã¢ã¯ã»ã¹ããããã« 16 è¡ãäœæã§ããããšã«ãªããŸãã ã€ãŸãããããã¯ãŒã¯äžã«è€æ°ã®ããã€ã¹ãããå ŽåãTelnet ãããã³ã«ã䜿çšããŠã¹ã€ããã«æ¥ç¶ããå Žåãæåã®ããã€ã¹ã¯åç· 0ã1 çªç®ã®ããã€ã¹ã¯åç· 15ããšããããã«åç· 16 ãŸã§äœ¿çšããŸãã ãããã£ãŠãXNUMX 人ãåæã«ã¹ã€ããã«æ¥ç¶ã§ããã¹ã€ããã¯æ¥ç¶ãè©Šã¿ã XNUMX 人ç®ã«æ¥ç¶å¶éã«éããããšãéç¥ããŸãã
ã³ã³ãœãŒã«ã§ãã¹ã¯ãŒããèšå®ãããšããšåãæŠå¿µã«åŸã£ãŠã16 ãã 0 ãŸã§ã® 15 åã®ä»®æ³è¡ãã¹ãŠã«å
±éã®ãã¹ã¯ãŒããèšå®ã§ããŸããã€ãŸãããã®è¡ã«ãã¹ã¯ãŒã ã³ãã³ããå
¥åããŠãã¹ã¯ãŒããèšå®ããŸããããšãã°ã ãtelnetããéžæãããloginãã³ãã³ããå
¥åããŸãã ããã¯ããŠãŒã¶ãŒããã¹ã¯ãŒããªã㧠Telnet ãããã³ã«ã䜿çšããŠããã€ã¹ã«ãã°ã€ã³ããããšãæãŸãªãããšãæå³ããŸãã ãããã£ãŠããã°ã€ã³ã確èªãããã®åŸã«ã®ã¿ã·ã¹ãã ãžã®ã¢ã¯ã»ã¹ãèš±å¯ããããã«æ瀺ããŸãã
çŸæç¹ã§ã¯ãTelnet ã¯äœ¿çšã§ããŸããããã®ãããã³ã«ã䜿çšããããã€ã¹ãžã®ã¢ã¯ã»ã¹ã¯ãã¹ã€ããã« IP ã¢ãã¬ã¹ãèšå®ããåŸã«ã®ã¿å®è¡ã§ããããã§ãã ãããã£ãŠãTelnet èšå®ã確èªããã«ã¯ããŸã IP ã¢ãã¬ã¹ã®ç®¡çã«é²ã¿ãŸãã
ãåç¥ã®ãšãããã¹ã€ãã㯠OSI ã¢ãã«ã®ã¬ã€ã€ãŒ 2 ã§åäœãã24 åã®ããŒããåããŠãããããç¹å®ã® IP ã¢ãã¬ã¹ãæã€ããšãã§ããŸããã ãã ããå¥ã®ããã€ã¹ããã¹ã€ããã«æ¥ç¶ã㊠IP ã¢ãã¬ã¹ã管çããå Žåã¯ããã®ã¹ã€ããã« IP ã¢ãã¬ã¹ãå²ãåœãŠãå¿
èŠããããŸãã
ãããã£ãŠãIP 管çã«äœ¿çšããã XNUMX ã€ã® IP ã¢ãã¬ã¹ãã¹ã€ããã«å²ãåœãŠãå¿
èŠããããŸãã ãããè¡ãã«ã¯ãç§ã®ãæ°ã«å
¥ãã®ã³ãã³ãã® XNUMX ã€ã§ãããshow ip Interface Briefããå
¥åãããšããã®ããã€ã¹äžã«ååšãããã¹ãŠã®ã€ã³ã¿ãŒãã§ã€ã¹ã衚瀺ãããŸãã
ãããã£ãŠãXNUMX åã®ãã¡ã¹ã ã€ãŒãµããã ããŒããXNUMX ã€ã®ã®ã¬ããã ã€ãŒãµããã ããŒããããã³ XNUMX ã€ã® VLAN ã€ã³ã¿ãŒãã§ã€ã¹ãããããšãããããŸãã VLAN ã¯ä»®æ³ãããã¯ãŒã¯ã§ãããã®æŠå¿µã«ã€ããŠã¯åŸã§è©³ãã説æããŸããããã§ã¯ãåã¹ã€ããã«ã¯ VLAN ã€ã³ã¿ãŒãã§ã€ã¹ãšåŒã°ãã XNUMX ã€ã®ä»®æ³ã€ã³ã¿ãŒãã§ã€ã¹ãä»å±ããŠãããšããŸãã ããã¯ã¹ã€ããã®ç®¡çã«äœ¿çšãããŸãã
ãããã£ãŠããã®ã€ã³ã¿ãŒãã§ã€ã¹ã«ã¢ã¯ã»ã¹ããŠãã³ãã³ã ã©ã€ã³ã« vlan 1 ãã©ã¡ãŒã¿ãå ¥åããŠã¿ãŸããã³ãã³ã ã©ã€ã³ã NetworKing (config-if) # ã«ãªã£ãŠããããšãããããŸããããã¯ãVLAN ã¹ã€ãã管çã€ã³ã¿ãŒãã§ã€ã¹ã«å ¥ã£ãŠããããšãæå³ããŸãã 次ã«ã次ã®ãã㪠IP ã¢ãã¬ã¹ãèšå®ããã³ãã³ããå ¥åããŸãã Ip add 10.1.1.1 255.255.255.0 ãå ¥åããŠããEnterããæŒããŸãã
ãã®ã€ã³ã¿ãŒãã§ã€ã¹ããã管çäžããŠã³ããšããŒã¯ãããã€ã³ã¿ãŒãã§ã€ã¹ã®ãªã¹ãã«è¡šç€ºãããŠããããšãããããŸãã ãã®ãããªèšè¿°ã衚瀺ãããå Žåã¯ããã®ã€ã³ã¿ãŒãã§ã€ã¹ã«ã¯ããŒããç¡å¹ã«ãããshutdownãã³ãã³ããããããã®å Žåããã®ããŒãã¯ç¡å¹ã«ãªã£ãŠããããšãæå³ããŸãã ãã®ã³ãã³ãã¯ãç¹æ§ã¹ã¿ãã¯ã«ãããŠã³ãããŒã¯ãããã€ã³ã¿ãŒãã§ã€ã¹äžã§å®è¡ã§ããŸãã ããšãã°ãFastEthernet0/23 ãŸã㯠FastEthernet0/24 ã€ã³ã¿ãŒãã§ã€ã¹ã«ç§»åãããshutdownãã³ãã³ããçºè¡ãããšããã®ããŒãã¯ã€ã³ã¿ãŒãã§ã€ã¹ã®ãªã¹ãã§ã管çäžããŠã³ããšããŠããŒã¯ãããã€ãŸãç¡å¹ã«ãªããŸãã
ãããŸã§ããã·ã£ããããŠã³ãããŒããç¡å¹ã«ããã³ãã³ããã©ã®ããã«æ©èœãããã調ã¹ãŠããŸããã ããŒããæå¹ã«ããããã¹ã€ããå ã®äœããæå¹ã«ãããããã«ã¯ãåŠå®ã³ãã³ããã€ãŸããã³ãã³ãåŠå®ãã䜿çšããŸãã ããšãã°ããã®å Žåããã®ãããªã³ãã³ãã䜿çšãããšããã·ã£ããããŠã³ããªããããšã«ãªããŸãã ããã¯éåžžã«åçŽãª XNUMX åèªã®ãnoãã³ãã³ãã§ãããshutdownãã³ãã³ãããããã€ã¹ã®é»æºãåãããæå³ããå Žåããno shutdownãã³ãã³ãã¯ãããã€ã¹ã®é»æºããªã³ã«ããããæå³ããŸãã ãããã£ãŠãå©è©ãããããã䜿çšããŠã³ãã³ããåŠå®ããããšã§ãCisco ããã€ã¹ã«ãŸã£ããéã®ããšãå®è¡ããããã«åœä»€ããŸãã
ããã§ãããäžåºŠãshow ip Interface Briefãã³ãã³ããå
¥åãããšãIP ã¢ãã¬ã¹ã 10.1.1.1 ã«ãªã£ã VLAN ããŒãã®ç¶æ
ãããdownã-ãoffããããupãã«å€åããããšãããããŸãã â - âonâ ã§ããããã°æååã«ã¯ãŸã ãdownããšè¡šç€ºãããŸãã
VLAN ãããã³ã«ãæ©èœããªãã®ã¯ãªãã§ãã? çŸæç¹ã§ã¯ããã®ããŒããééãããã©ãã£ãã¯ã¯ç¢ºèªãããŠããªãããã§ããèŠããŠãããšæããŸãããä»®æ³ãããã¯ãŒã¯ã«ã¯ããã€ã¹ãã¹ã€ãã 0 ã€ã ãã§ããããã®å Žåããã©ãã£ãã¯ã¯ååšããªãã¯ãã§ãã ãããã£ãŠããããã¯ãŒã¯ã«ãã XNUMX å°ã®ããã€ã¹ãPC-PT(PCXNUMX) ããŒãœãã« ã³ã³ãã¥ãŒã¿ãè¿œå ããŸãã
Cisco Packet Tracer ã«ã€ããŠã¯å¿é
ããå¿
èŠã¯ãããŸããã次ã®ãããªã®ããããã§ããã®ããã°ã©ã ãã©ã®ããã«åäœãããã詳ãã説æããŸããããã§ã¯ããã®æ©èœã®æŠèŠã ãã説æããŸãã
ããã§ãPC ã·ãã¥ã¬ãŒã·ã§ã³ãã¢ã¯ãã£ãã«ããã³ã³ãã¥ãŒã¿ãŒã®ã¢ã€ã³ã³ãã¯ãªãã¯ããŠãããããã¹ã€ããã«ã±ãŒãã«ãæ¥ç¶ããŸãã PC ããã®ãã©ãã£ãã¯ããã£ããããVLAN1 ã€ã³ã¿ãŒãã§ã€ã¹ã®åç·ãããã³ã«ã®ç¶æ
ã UP ã«å€åããããšã瀺ãã¡ãã»ãŒãžãã³ã³ãœãŒã«ã«è¡šç€ºãããŸããã ãããã³ã«ã¯ãã©ãã£ãã¯ã®åºçŸãèªèãããšããã«æºåå®äºç¶æ
ã«å
¥ããŸããã
ããäžåºŠãshow ip Interface Briefãã³ãã³ããå®è¡ãããšãã³ã³ãã¥ãŒã¿ããã®ã±ãŒãã«ãæ¥ç¶ãããŠãããããFastEthernet0/1 ã€ã³ã¿ãŒãã§ã€ã¹ã®ç¶æ ãšãããã³ã«ã®ç¶æ ã UP ã«å€æŽãããããšãããããŸãã亀éãæµãå§ããŸããã VLAN ã€ã³ã¿ãŒãã§ã€ã¹ãããã®ããŒãäžã®ãã©ãã£ãã¯ããèªèããããããèµ·åããŸããã
次ã«ãã³ã³ãã¥ãŒã¿ãŒã®ã¢ã€ã³ã³ãã¯ãªãã¯ããŠããããäœã§ãããã確èªããŸãã ãã㯠Windows PC ã®åãªãã·ãã¥ã¬ãŒã·ã§ã³ãªã®ã§ããããã¯ãŒã¯æ§æèšå®ã«ç§»åããŠãã³ã³ãã¥ãŒã¿ãŒã« IP ã¢ãã¬ã¹ 10.1.1.2 ãäžãããµãããã ãã¹ã¯ 255.255.255.0 ãå²ãåœãŠãŸãã
ã¹ã€ãããšåããããã¯ãŒã¯äžã«ãããããããã©ã«ã ã²ãŒããŠã§ã€ã¯å¿
èŠãããŸããã ããã§ããping 10.1.1.1ãã³ãã³ãã䜿çšããŠã¹ã€ããã« ping ãå®è¡ããŠã¿ãŸããã芧ã®ãšãããping ã¯æåããŸããã ããã¯ãã³ã³ãã¥ãŒã¿ãã¹ã€ããã«ã¢ã¯ã»ã¹ã§ããããã«ãªããã¹ã€ããã管çããã IP ã¢ãã¬ã¹ 10.1.1.1 ãååŸããããšãæå³ããŸãã
ãªãã³ã³ãã¥ãŒã¿ã®æåã®ãªã¯ãšã¹ãããã¿ã€ã ã¢ãŠããå¿çãåãåã£ãã®ãçåã«æããããããŸããã ããã¯ãã³ã³ãã¥ãŒã¿ãã¹ã€ããã® MAC ã¢ãã¬ã¹ãèªèããŠããããæåã« ARP èŠæ±ãéä¿¡ããå¿ èŠããã£ããããIP ã¢ãã¬ã¹ 10.1.1.1 ãžã®æåã®åŒã³åºãã倱æããããšãåå ã§ããã
ã³ã³ãœãŒã«ã«ãtelnet 10.1.1.1ããšå ¥åããŠãTelnet ãããã³ã«ã䜿çšããŠã¿ãŸãããã ãã®ã³ã³ãã¥ãŒã¿ãšã®éä¿¡ã¯ãã¢ãã¬ã¹ 10.1.1.1 ã® Telnet ãããã³ã«ãä»ããŠè¡ãããŸããããã¯åãªãä»®æ³ã¹ã€ãã ã€ã³ã¿ãŒãã§ã€ã¹ã§ãã ãã®åŸãã³ãã³ã ã©ã€ã³ ã¿ãŒããã« ãŠã£ã³ããŠã«ãåã«ã€ã³ã¹ããŒã«ããã¹ã€ããã®ãŠã§ã«ã«ã ãããŒãããã«è¡šç€ºãããŸãã
ç©ççã«ã¯ããã®ã¹ã€ããã¯ãªãã£ã¹ã® XNUMX éãŸã㯠XNUMX éã®ã©ãã«ã§ãé
眮ã§ããŸããããããã®å Žåã Telnet ã䜿çšããŠèŠã€ããŸãã ã¹ã€ããããã¹ã¯ãŒããèŠæ±ããŠããããšãããããŸãã ãã®ãã¹ã¯ãŒãã¯äœã§ãã? XNUMX ã€ã®ãã¹ã¯ãŒããèšå®ããŸãããXNUMX ã€ã¯ã³ã³ãœãŒã«çšããã XNUMX ã€ã¯ VTY çšã§ãã ãŸãããciscoãã³ã³ãœãŒã«ã«ãã¹ã¯ãŒããå
¥åããŠã¿ãŸããã·ã¹ãã ã§åãä»ããããªãããšãããããŸãã 次ã«ãVTY ã§ãã¹ã¯ãŒããtelnetããè©ŠããŠã¿ããšãããŸããããŸããã ã¹ã€ãã㯠VTY ãã¹ã¯ãŒããåãå
¥ããã®ã§ãåç· vty ãã¹ã¯ãŒãã¯ããã§äœ¿çšãããŠãã Telnet ãããã³ã«ã§æ©èœããŸãã
ããã§ãenableãã³ãã³ããå ¥åããããšãããšãã·ã¹ãã ã¯ããã¹ã¯ãŒããèšå®ãããŠããŸããããã€ãŸãããã¹ã¯ãŒããèšå®ãããŠããŸããããšå¿çããŸãã ããã¯ãã¹ã€ããã«ãã£ãŠãŠãŒã¶ãŒèšå®ã¢ãŒããžã®ã¢ã¯ã»ã¹ã¯èš±å¯ãããŸããããç¹æš©ã¢ã¯ã»ã¹ã¯èš±å¯ãããªãã£ãããšãæå³ããŸãã ç¹æš© EXEC ã¢ãŒãã«å ¥ãã«ã¯ããããããã€ããŒãã« ãã¹ã¯ãŒãããäœæããå¿ èŠããããŸããã€ãŸãããã¹ã¯ãŒããæå¹ã«ããå¿ èŠããããŸãã ãããè¡ãã«ã¯ãå床ã¹ã€ããèšå®ãŠã£ã³ããŠã«ç§»åããŠãã·ã¹ãã ããã¹ã¯ãŒãã䜿çšã§ããããã«ããŸãã
ãããè¡ãã«ã¯ããenableãã³ãã³ãã䜿çšããŠãŠãŒã¶ãŒ EXEC ã¢ãŒãããç¹æš© EXEC ã¢ãŒãã«åãæ¿ããŸãã ãæå¹ããšå
¥åãããšããã®æ©èœã¯ãã¹ã¯ãŒããªãã§ã¯æ©èœããªããããã·ã¹ãã ã¯ãã¹ã¯ãŒããå¿
èŠãšããŸãã ãããã£ãŠãåã³ã³ã³ãœãŒã« ã¢ã¯ã»ã¹ã®ååŸã®ã·ãã¥ã¬ãŒã·ã§ã³ã«æ»ããŸãã ãã§ã«ãã®ã¹ã€ããã«ã¢ã¯ã»ã¹ã§ããã®ã§ãIOS CLI ãŠã£ã³ããŠã® NetworKing (config) #enable è¡ã«ãpassword enableããè¿œå ããå¿
èŠããããŸããã€ãŸãããã¹ã¯ãŒã䜿çšæ©èœãã¢ã¯ãã£ãã«ããå¿
èŠããããŸãã
ããã§ãããäžåºŠã³ã³ãã¥ãŒã¿ã®ã³ãã³ã ã©ã€ã³ã«ãenableããšå
¥åããŠãEnterããæŒããŠã¿ãŸããããããã«ãããã·ã¹ãã ããã¹ã¯ãŒããèŠæ±ããããã³ããã衚瀺ãããŸãã ãã®ãã¹ã¯ãŒãã¯äœã§ãã? ãenableãã³ãã³ããå
¥åãããšãç¹æš© EXEC ã¢ãŒãã«ã¢ã¯ã»ã¹ã§ããããã«ãªããŸããã ä»ã§ã¯ã³ã³ãã¥ãŒã¿ãéããŠãã®ããã€ã¹ã«ã¢ã¯ã»ã¹ã§ããã®ã§ãããã§äœã§ãã§ããããã«ãªããŸããã ãconf tãã«ç§»åãããšããã¹ã¯ãŒããŸãã¯ãã¹ãåãå€æŽã§ããŸãã ããã§ãã¹ãåã SwitchF1R10 ã«å€æŽããŸããããã¯ãã10 éãéšå± XNUMXããæå³ããŸãã ãããã£ãŠãã¹ã€ããã®ååãå€æŽãããšããããªãã£ã¹å
ã®ãã®ããã€ã¹ã®å Žæã衚瀺ãããããã«ãªããŸããã
ã¹ã€ããã®ã³ãã³ã ã©ã€ã³ ã€ã³ã¿ãŒãã§ã€ã¹ ãŠã£ã³ããŠã«æ»ããšããã®ååãå€æŽãããŠããããšãããããŸããããã¯ãTelnet ã»ãã·ã§ã³äžã«ãªã¢ãŒãã§å®è¡ããŸããã
Telnet çµç±ã§ã¹ã€ããã«ã¢ã¯ã»ã¹ããæ¹æ³ã¯æ¬¡ã®ãšããã§ãããã¹ãåãå²ãåœãŠããã°ã€ã³ ãããŒãäœæããã³ã³ãœãŒã«ã®ãã¹ã¯ãŒããš Telnet ã®ãã¹ã¯ãŒããèšå®ããŸããã 次ã«ããã¹ã¯ãŒãå ¥åãå©çšå¯èœã«ããIP 管çæ©èœãäœæãããã·ã£ããããŠã³ãæ©èœãæå¹ã«ããã³ãã³ãåŠå®æ©èœãæå¹ã«ããŸããã
次ã«ãããã©ã«ã ã²ãŒããŠã§ã€ãå²ãåœãŠãå¿ èŠããããŸãã ãããè¡ãã«ã¯ãå床ã°ããŒãã« ã¹ã€ããèšå®ã¢ãŒãã«åãæ¿ããã³ãã³ããipdefault-gateway 10.1.1.10ããå ¥åããŠãEnterããæŒããŸãã ã¹ã€ããã OSI ã¢ãã«ã®ã¬ã€ã€ãŒ 2 ããã€ã¹ã§ããå Žåããªãããã©ã«ã ã²ãŒããŠã§ã€ãå¿ èŠãªã®ãçåã«æããããããããŸããã
ãã®å ŽåãPC ãã¹ã€ããã«çŽæ¥æ¥ç¶ããŸããããè€æ°ã®ããã€ã¹ããããšä»®å®ããŸãã Telnet ãéå§ããããã€ã¹ãã€ãŸãã³ã³ãã¥ãŒã¿ã 10.1.1.1 ã€ã®ãããã¯ãŒã¯äžã«ãããIP ã¢ãã¬ã¹ XNUMX ã®ã¹ã€ããã XNUMX ã€ç®ã®ãããã¯ãŒã¯äžã«ãããšããŸãã ãã®å ŽåãTelnet ãã©ãã£ãã¯ã¯å¥ã®ãããã¯ãŒã¯ããæ¥ãŠãããã¹ã€ããã¯ãããéãè¿ãå¿ èŠããããŸãããããã«å°éããæ¹æ³ãããããŸããã ã¹ã€ããã¯ã³ã³ãã¥ãŒã¿ã® IP ã¢ãã¬ã¹ãå¥ã®ãããã¯ãŒã¯ã«å±ããŠãããšå€æããããããã®ãããã¯ãŒã¯ãšéä¿¡ããã«ã¯ããã©ã«ã ã²ãŒããŠã§ã€ã䜿çšããå¿ èŠããããŸãã
ãããã£ãŠãå¥ã®ãããã¯ãŒã¯ãããã©ãã£ãã¯ãå°çãããšãã«ãã¹ã€ãããå¿çãã±ãããããã©ã«ã ã²ãŒããŠã§ã€ã«éä¿¡ãããããæçµå®å
ã«è»¢éã§ããããã«ããã®ããã€ã¹ã®ããã©ã«ã ã²ãŒããŠã§ã€ãèšå®ããŸãã
ããã§ãæåŸã«ãã®æ§æãä¿åããæ¹æ³ãèŠãŠãããŸãã ãã®ããã€ã¹ã®èšå®ã«å€ãã®å€æŽãå ããã®ã§ãããããä¿åãããšããæ¥ãŸããã ä¿åæ¹æ³ã¯2éããããŸãã
XNUMX ã€ã¯ãç¹æš© EXEC ã¢ãŒãã§ãwriteãã³ãã³ããå ¥åããæ¹æ³ã§ãã ãã®ã³ãã³ããå ¥åã㊠Enter ããŒãæŒããšãã·ã¹ãã ã¯ãBuildingconfiguration - OKããšããã¡ãã»ãŒãžãè¿ããŸããã€ãŸããããã€ã¹ã®çŸåšã®æ§æãæ£åžžã«ä¿åãããŸããã ä¿åããåã«è¡ã£ãããšã¯ããäœæ¥ããã€ã¹æ§æããšåŒã°ããŸãã ããã¯ã¹ã€ããã® RAM ã«ä¿åãããé»æºãåããšå€±ãããŸãã ãããã£ãŠãäœæ¥æ§æã«ãããã¹ãŠã®ãã®ãããŒãæ§æã«æžã蟌ãå¿ èŠããããŸãã
å®è¡ã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ã«å«ãŸããå 容ãäœã§ããããwriteãã³ãã³ãã¯ãã®æ å ±ãã³ããŒããããŒã ã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ ãã¡ã€ã«ã«æžã蟌ã¿ãŸããããŒã ã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ ãã¡ã€ã«ã¯ RAM ããç¬ç«ããŠãããNVRAM ã¹ã€ããã®äžæ®çºæ§ã¡ã¢ãªã«åžžé§ããŸãã ããã€ã¹ãèµ·åãããšãã·ã¹ãã 㯠NVRAM ã«ããŒã ã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ããããã©ããã確èªãããã©ã¡ãŒã¿ã RAM ã«ããŒãããããšã«ãã£ãŠãããŒã ã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ãåäœå¯èœãªã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ã«å€æŽããŸãã ãwriteãã³ãã³ãã䜿çšãããã³ã«ãå®è¡äžã®èšå®ãã©ã¡ãŒã¿ãã³ããŒãããNVRAM ã«ä¿åãããŸãã
æ§æèšå®ãä¿åãã XNUMX çªç®ã®æ¹æ³ã¯ãå€ããdo writeãã³ãã³ãã䜿çšããããšã§ãã ãã®ã³ãã³ãã䜿çšããå Žåã¯ããŸããcopyããšããåèªãå ¥åããå¿ èŠããããŸãã ãã®åŸãCisco ãªãã¬ãŒãã£ã³ã° ã·ã¹ãã ã¯ãèšå®ãã©ãã«ã³ããŒããããå°ããŸããFTP ãŸãã¯ãã©ãã·ã¥çµç±ã®ãã¡ã€ã« ã·ã¹ãã ãããäœæ¥ã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ããããŸãã¯ããŒã ã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ããã§ãã å®è¡ã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ ãã©ã¡ãŒã¿ã®ã³ããŒãäœæãããã®ã§ããã®ãã¬ãŒãºãæååã«å ¥åããŸãã 次ã«ãã·ã¹ãã ã¯åã³çå笊ãçºè¡ããŠããã©ã¡ãŒã¿ãã©ãã«ã³ããŒããããå°ããŸããããã§ãstartup-configuration ãæå®ããŸãã ãããã£ãŠãäœæ¥æ§æãããŒãæ§æãã¡ã€ã«ã«ã³ããŒããŸããã
ãããã®ã³ãã³ãã®äœ¿çšã«ã¯çŽ°å¿ã®æ³šæãå¿ èŠã§ããããŒã ã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ãäœæ¥ã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ã«ã³ããŒãããšïŒæ°ããã¹ã€ããã®ã»ããã¢ããæã«å®è¡ãããå ŽåããããŸãïŒãå ãããããã¹ãŠã®å€æŽãç Žæ£ããããã©ã¡ãŒã¿ããŒãã®ããŒããååŸãããããã§ãã ãããã£ãŠãã¹ã€ããèšå®ãã©ã¡ãŒã¿ãèšå®ããåŸãäœãã©ãã«ä¿åãããã«ã€ããŠæ³šæããå¿ èŠããããŸãã ããã«ããèšå®ãä¿åãããã¹ã€ãããåèµ·åãããšãåèµ·ååãšåãç¶æ ã«æ»ããŸãã
ããã§ãæ°ããã¹ã€ããã®åºæ¬ãã©ã¡ãŒã¿ãã©ã®ããã«èšå®ãããŠãããã調ã¹ãŸããã å€ãã®æ¹ã¯ããã€ã¹ã®ã³ãã³ã ã©ã€ã³ ã€ã³ã¿ãŒãã§ã€ã¹ãèŠãã®ãåããŠã ãšæããŸãããã®ããããã®ãã㪠ãã¥ãŒããªã¢ã«ã§ç€ºãããŠãããã¹ãŠãç解ããã«ã¯æéãããããããããŸããã ããŸããŸãªã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ ã¢ãŒãããŠãŒã¶ EXEC ã¢ãŒããç¹æš© EXEC ã¢ãŒããã°ããŒãã« ã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ ã¢ãŒãã®äœ¿çšæ¹æ³ãã³ãã³ã ã©ã€ã³ã䜿çšããŠãµãã³ãã³ããå ¥åããæ¹æ³ããã¹ãåã®å€æŽæ¹æ³ããããŒã®äœææ¹æ³ããç解ãããŸã§ããã®ãããªãäœåºŠãèŠãããšããå§ãããŸããçã ã
ç¥ã£ãŠããå¿ èŠããããCisco ããã€ã¹ã®åæèšå®äžã«äœ¿çšãããåºæ¬çãªã³ãã³ãã«ã€ããŠèª¬æããŸããã ã¹ã€ããã®ã³ãã³ããç¥ã£ãŠããå Žåã¯ãã«ãŒã¿ãŒã®ã³ãã³ããç¥ã£ãŠããŸãã
ãããã®åºæ¬çãªã³ãã³ããããããã©ã®ã¢ãŒãããçºè¡ãããããèŠããŠãããŠãã ããã ããšãã°ããã¹ãåãšãã°ã€ã³ ãããŒã¯ã°ããŒãã«èšå®ã®äžéšã§ãããã³ã³ãœãŒã«ã«ãã¹ã¯ãŒããå²ãåœãŠãã«ã¯ã³ã³ãœãŒã«ã䜿çšããå¿ èŠããããŸããTelnet ãã¹ã¯ãŒã㯠15 ãã XNUMX ãŸã§ã® VTY æååã§å²ãåœãŠãããŸããVLAN ã€ã³ã¿ãŒãã§ã€ã¹ã䜿çšããå¿ èŠããããŸãã IPã¢ãã¬ã¹ã管çããŸãã ãæå¹åãæ©èœã¯ããã©ã«ãã§ã¯ç¡å¹ã«ãªã£ãŠãããããå Žåã«ãã£ãŠã¯ãno shutdownãã³ãã³ããå ¥åããŠæå¹ã«ããå¿ èŠãããããšã«æ³šæããŠãã ããã
ããã©ã«ã ã²ãŒããŠã§ã€ãå²ãåœãŠãå¿ èŠãããå Žåã¯ãã°ããŒãã« ã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ ã¢ãŒããéå§ãããipdefault-gatewayãã³ãã³ãã䜿çšããŠãã²ãŒããŠã§ã€ã« IP ã¢ãã¬ã¹ãå²ãåœãŠãŸãã æåŸã«ããwriteãã³ãã³ãã䜿çšããããå®è¡ã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ãããŒã ã³ã³ãã£ã®ã¥ã¬ãŒã·ã§ã³ ãã¡ã€ã«ã«ã³ããŒããŠãå€æŽãä¿åããŸãã ãã®ãããªãéåžžã«æçã§ããããªã³ã©ã€ã³ã³ãŒã¹ãç¿åŸããã®ã«åœ¹ç«ã€ããšãé¡ã£ãŠããŸãã
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
VPS (KVM) E5-2650 v4 (6 ã³ã¢) 10GB DDR4 240GB SSD 1Gbps å€ãŸã§ç¡æ XNUMXãæåã®æ¯æãã®å Žåã泚æã§ããŸã
Dell R730xdã¯2åå®ãïŒ ããã ã
åºæïŒ habr.com