éå°éå®¶ã§ãçè§£ã§ãã
Packet Tracer ãããã¯ãŒã¯å®ç¿è¬çŸ©
OSI 7éå±€ããIPã¢ãã¬ã¹ããµããããã£ã³ã°ããããã¯ãŒã¯æ§æãšæ€èšŒãŸã§
ããããã¯ãŒã¯å®å
šæ»ç¥ãããŒããããã®æåã®è¬çŸ©ã§ãã
CCNAãå匷ããåã«å¿
ãç¥ã£ãŠããã¹ããããã¯ãŒã¯ã®åºç€æŠå¿µãã
Cisco Packet TracerãæŽ»çšããå®ç¿æ§æãšæ€èšŒãŸã§ã段éçã«åŠç¿ããŸãã
ð ãã®è¬çŸ©ã§åŸãããããš
- OSI 7éå±€ãTCP/IPãIPã¢ãã¬ã¹ããµããããã£ã³ã°ãªã©ããããã¯ãŒã¯å¿
é çè«ã®çè§£
- PCãã¹ã€ãããã«ãŒã¿ãŒãå®éã«ã©ã®ããã«éä¿¡ããã®ããæµããäžå¿ã«åŠç¿
- Cisco Packet TracerãæŽ»çšãããããã¯ãŒã¯æ§æããã³æ€èšŒå®ç¿
- åãªãã³ãã³ãã®æèšã§ã¯ãªããããªããã®ããã«åäœããã®ãïŒããšããåçã®çè§£
- CCNAåŠç¿ãæ°äººãããã¯ãŒã¯ãšã³ãžãã¢å
¥éãITåºç€èœåã®åŒ·åã«å¿
èŠãªåºç€ç¥èã®ç¿åŸ
ð è¬çŸ©ããŒã
æ¬è¬çŸ©ã¯ãã³ã³ãã¥ãŒã¿ãããã¯ãŒã¯ã§äœ¿çšãããäž»èŠãªãããã³ã«ãšéä¿¡åçãçè«ã§åŠç¿ããåŸã
Cisco Packet TracerãæŽ»çšããŠããã«å®ç¿ãè¡ãå
¥éåãããã¯ãŒã¯è¬çŸ©ã§ãã
ãããã¯ãŒã¯ãåããŠåŠã¶æ¹ã§ããPCãã¹ã€ãããã«ãŒã¿ãŒãIPã¢ãã¬ã¹ããµãããããããã©ã«ãã²ãŒããŠã§ã€ãã«ãŒãã£ã³ã°ã®æŠå¿µã
äžæ©ãã€çè§£ããç°¡åãªãããã¯ãŒã¯ãçŽæ¥æ§ç¯ããäžã§ãæ£åžžã«éä¿¡ã§ãããæ€èšŒã§ããããã«æ§æããŸããã
ð€ ãªããããã¯ãŒã¯ãåŠã°ãªããã°ãªããªãã®ã§ããïŒ
ã¯ã©ãŠããã»ãã¥ãªãã£ããµãŒããŒãéçºãã€ã³ãã©ãIoTãAIã·ã¹ãã ãŸã§ãã»ãšãã©ã®ITãµãŒãã¹ã¯ãããã¯ãŒã¯äžã§åäœããŸãã
ãããã£ãŠãITåéã§åãããå匷ãããããã®ã§ããã°ããããã¯ãŒã¯ã¯éžæã§ã¯ãªããå¿
ãçè§£ããŠãããªããã°ãªããªãåºæ¬ã¹ãã«ã§ãã
ãããã¯ãŒã¯ãçè§£ããã°ãããªãéä¿¡ãã§ããã®ãããããªãé害ãçºçããã®ããããã©ãã確èªãã¹ããããèªã倿ã§ããããã«ãªããŸãã
âŸïž ãªãåè¬æéãç¡å¶éãªã®ã§ããïŒ
ãããã¯ãŒã¯ã¯äžåºŠèããŠçµããåéã§ã¯ãããŸãããæåã¯æŠå¿µãçè§£ãããã®åŸã¯å®ç¿ãç¹°ãè¿ããå®éã®æ¥åãè³æ ŒåŠç¿ã®éçšã§åã³åŸ©ç¿ããªããã°ãªããªãæãå€ãã§ãã
ãã®è¬çŸ©ã¯åè¬æéãç¡å¶éã§ãããããå¿
èŠãªæã«ãã€ã§ãç¹°ãè¿ãåŠç¿ããããšãã§ããŸãã
ãŸããè¬çŸ©å
容ãã¢ããããŒããããå Žåã远å è²»çšãªãã§æ°ãã远å ãããå
容ãå
±ã«åŠç¿ã§ããŸãã
ã¢ããããŒãå
容ã¯ããããã¯ãŒã¯æè¡ã®è£å®ã远å å®ç¿ãå®åæ€èšŒåé¡ãªã©ãå«ãŸããäºå®ã§ãã
ð¯ ãã®è¬çŸ©ãäœã£ãçç±
ã³ã³ãã¥ãŒã¿ãŒãããã¯ãŒã¯ãçè«ã ãã§å匷ãããšããããã³ã«ãå®éã«ã©ã®ããã«äœ¿çšãããŠããã®ãçè§£ããã®ãé£ãããªããŸãã
ç¹ã«å®åã§æ©åšãæ±ã£ããããããã¯ãŒã¯é害ãåæãããããéã«ã¯ãåãªãçšèªã®æèšããããéä¿¡ã®æµããçè§£ããèœåããã¯ããã«éèŠã§ãã
ããã§ãã®è¬çŸ©ã¯ãçè«ã説æããåŸã«ããPacket Tracerã®å®ç¿ãžãšç¹ããããã«æ§æããŸããã
æŠå¿µãåŠã³ãèªãæ§ç¯ããpingãšéä¿¡çµæã確èªããªããããããã¯ãŒã¯ãåäœããéçšãèªç¶ã«çè§£ããããšãã§ããŸãã
ð¡ è¬çŸ©ã®ç¹åŸŽ
1. ãããã¯ãŒã¯ã®å¿
é çè«ãåããããã説æããŸãã
OSI 7éå±€ãTCP/IPãIPã¢ãã¬ã¹ããµããããã£ã³ã°ãLANãã«ãŒãã£ã³ã°ãªã©ããããã¯ãŒã¯ãçè§£ããããã«äžå¯æ¬ ãªæ žå¿æŠå¿µããåå¿è
ã§ãçè§£ã§ããããã«é åºç«ãŠãŠèª¬æããŸãã
2. Packet Tracerã§çŽæ¥æ§æããæ€èšŒããŸãã
åã«èª¬æãèãã ãã§çµããããCisco Packet TracerãæŽ»çšããŠPCãã¹ã€ãããã«ãŒã¿ãŒãçŽæ¥é
眮ãã
IPã¢ãã¬ã¹ãèšå®ããåŸãéä¿¡ãæ£åžžã«è¡ããããã確èªããŸãã
3. ã³ãã³ããããéä¿¡åçãå
ã«çè§£ããŸãã
ãããã¯ãŒã¯æ©åšã®ã³ãã³ããããã¿ã«æèšããæ¹åŒã§ã¯ãªãããªãIPã¢ãã¬ã¹ãå¿
èŠãªã®ãããªãããã©ã«ãã²ãŒããŠã§ã€ãå¿
èŠãªã®ãããªãã«ãŒã¿ãŒãå¿
èŠãªã®ããšãã£ãåçããŸãçè§£ã§ããããã«æ§æããŸããã
4. å
¥éè
ãæ°äººãšã³ãžãã¢ã«å¿
èŠãªé åºã§æ§æããŸããã
ãããã¯ãŒã¯ãåããŠåŠã¶éå°éå®¶ãCCNAåŠç¿ãæºåããŠããæ¹ãæ°äººãããã¯ãŒã¯ãšã³ãžãã¢ãåºç€æŠå¿µããå®ç¿ãŸã§èªç¶ã«ç¹ãããããããåŠç¿ã®æµããæ§æããŸããã
ð ãã®ãããªæ¹ã«ããããã§ã
- ãããã¯ãŒã¯ãåããŠåŠã¶éå°éå®¶
- CCNAã®å匷ãå§ããåã«ãåºç€æŠå¿µããŸãæŽçããŠããããæ¹
- OSI 7éå±€ãTCP/IPãIPã¢ãã¬ã¹ããµããããã£ã³ã°ããŸã ããåãããªãæ¹
- ã¹ã€ãããšã«ãŒã¿ãŒãå®éã«ã©ã®ããã«åäœããã®ãç¥ãããæ¹
- Packet TracerãæŽ»çšããŠãããã¯ãŒã¯ãçŽæ¥æ§æããŠã¿ããæ¹
- æ°äººãããã¯ãŒã¯ãšã³ãžãã¢ãšããŠãåºç€ãäœç³»çã«åºãããæ¹
- çè«ã¯åŠãã ããå®éã®éä¿¡ã®æµããããŸãæŽçã§ããŠããªãæ¹
ð ã«ãªãã¥ã©ã ã®ç°¡åãªç޹ä»
ã»ã¯ã·ã§ã³ 0. Packet Tracerã®æºå
Cisco Packet Tracerã®ã©ã€ã»ã³ã¹ç»é²ãã€ã³ã¹ããŒã«æ¹æ³ãåºæ¬çãªäœ¿ãæ¹ãåŠç¿ããŸãã
ã»ã¯ã·ã§ã³ 1. ã³ã³ãã¥ãŒã¿ãããã¯ãŒã¯ã®ç޹ä»
ã³ã³ãã¥ãŒã¿ãŒãããã¯ãŒã¯ã®æŠå¿µãæ§æèŠçŽ ãéä¿¡æ§é ãçè§£ããŸãã
ã»ã¯ã·ã§ã³ 2. ãããã¯ãŒã¯å¿
é çè«
OSI 7éå±€ãTCP/IPãTCPã»UDPãIPã¢ãã¬ã¹ããµããããã£ã³ã°ãVLSMãªã©ããããã¯ãŒã¯ã®æ žå¿çè«ãåŠç¿ããŸãã
ã»ã¯ã·ã§ã³ 3. Packet TracerããŒã¹ã®ãããã¯ãŒã¯æ§æå®ç¿
PCãã¹ã€ãããã«ãŒã¿ãŒã掻çšããŠåºæ¬ãããã¯ãŒã¯ãæ§æããéä¿¡çµæãæ€èšŒããŸãã
ã»ã¯ã·ã§ã³ 4. çµ±åãããã¯ãŒã¯ã®èšèšã»æ§ç¯ã»æ€èšŒ
ãããŸã§åŠç¿ããå
容ãããšã«ãçµ±åãããã¯ãŒã¯ãèšèšã»æ§ç¯ããæ£åžžã«åäœãããã©ãããæ€èšŒããŸãã
ã»ã¯ã·ã§ã³ 5. L3ã¹ã€ããã®åºæ¬çè§£
L3ã¹ã€ããã®åºæ¬æŠå¿µãšãããã¯ãŒã¯ã«ããã圹å²ãçè§£ããŸãã
â
åè¬åŸã«ã§ããããš
- OSI 7éå±€ãšTCP/IPã¢ãã«ã®éãã説æã§ããŸãã
- IPã¢ãã¬ã¹ããµãããããã¹ã¯ãããã©ã«ãã²ãŒããŠã§ã€ã®åœ¹å²ãçè§£ã§ããŸãã
- Packet Tracerã§PCãã¹ã€ãããã«ãŒã¿ãŒã䜿çšããŠãåºæ¬çãªãããã¯ãŒã¯ãæ§æã§ããŸãã
- pingãã¹ããéããŠããããã¯ãŒã¯éä¿¡ãå¯èœãã©ããã確èªã§ããŸãã
- ãããã¯ãŒã¯é害ãçºçããéãã©ã®å°ç¹ã確èªãã¹ããåºæ¬çãªå€æãã§ããããã«ãªããŸãã
- CCNAããããã¯ãŒã¯ã»ãã¥ãªãã£ãã¯ã©ãŠãã€ã³ãã©åŠç¿ã®ããã®åºç€äœåãé€ãããšãã§ããŸãã
â äºæ³è³ªå Q&A
Q1. éå°éå®¶ã§ãåè¬ã§ããŸããïŒ
ã¯ãããããã¯ãŒã¯ãåããŠåŠã¶æ¹ã§ãçè§£ã§ããããã«ãåºç€æŠå¿µããäžæ©ãã€èª¬æããŸãã
é£ããçšèªã¯ãå®éã®éä¿¡äŸãPacket Tracerã®å®ç¿ãéããŠãç°¡åã«çè§£ã§ããããã«æ§æãããŠããŸãã
Q2. ã©ã®ããã°ã©ã ã§å®ç¿ããŸããïŒ
Cisco SystemsãæäŸããPacket Tracerã䜿çšããŸãã
ããã°ã©ã ã®ã€ã³ã¹ããŒã«ãšãŠãŒã¶ãŒç»é²ã®æ¹æ³ãè¬çŸ©ã«å«ãŸããŠãããããåããŠäœ¿çšããæ¹ã§ãå®ç¿ãå§ããããšãã§ããŸãã
Q3. CCNAã®å匷ã®åã«åè¬ããŠã圹ã«ç«ã¡ãŸããïŒ
ã¯ããCCNAãå匷ããéã«ã€ãŸãããããOSIåç
§ã¢ãã«ãTCP/IPãIPã¢ãã¬ã¹ããµããããã£ã³ã°ãã¹ã€ãããšã«ãŒã¿ãŒã®åœ¹å²ããããããæŽçã§ãããããCCNAåŠç¿åã®åºç€è¬çŸ©ãšããŠæŽ»çšããã®ã«æé©ã§ãã
Q4. è¬çŸ©ãåè¬ããã°ããããã¯ãŒã¯ãèªåã§æ§ç¯ã§ããããã«ãªããŸããïŒ
ã¯ããè¬çŸ©ãéããŠåºæ¬çãªãããã¯ãŒã¯ãçŽæ¥æ§ç¯ããéä¿¡çµæãæ€èšŒããæ¹æ³ãåŠç¿ããŸãã
ãã®åŸãVLANãã«ãŒãã£ã³ã°ãã»ãã¥ãªãã£ãªã©ã®äžçŽããŒããžãšæ¡åŒµããããã®åºç€ãç¯ãããšãã§ããŸãã
ð¢ æ³šæäºé
- Packet Tracerããã°ã©ã ã¯WindowsãšmacOSããµããŒãããŠããŸãã
- 質åãžã®åçã¯ãæ¯é±åææ¥ã«äžæ¬ããŠåçããããŸãã
- ææ¥å
容ããã³è³æã®ç¡æé
åžãè€è£œãå
¬éæ²ç€ºãçŠæ¢ããŸãã