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ÍøÂ绥Áª¼¼Êõ¸´Ï°ÌâÕûÀí - ͼÎÄ

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  • 2026/4/24 17:34:16

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172.16.25.0/2

172.16.26.0/2

A 172.16.27.0/2

Routing table 172.16.25.0/24 172.16.26.0/24 ·ÓÉЭÒéÄܹ»½«¼¸Ìõ·ÓÉÌõÄ¿»ã×ܳÉÒ»Ìõ 172.16.27.0/24 ÔÚÒ»¸öλ×éÄÚ»ã×Ü

172.16.168.0/24 = 10101100 . 00010000 . 10101 000 . 00000000 172.16.169.0/24 = 172 . 16 . 10101 001 . 0 172.16.170.0/24 = 172 . 16 . 10101 010 . 0 172.16.171.0/24 = 172 . 16 . 10101 011 . 0 172.16.172.0/24 = 172 . 16 . 10101 100 . 0 172.16.173.0/24 = 172 . 16 . 10101 101 . 0 172.16.174.0/24 = 172 . 16 . 10101 110 . 0 172.16.175.0/24 = 172 . 16 . 10101 111 . 0 ÏàͬµÄλÊýΪ21£¨Number of Common Bits = 21£© ²»Í¬Î»Êý11루Noncommon Bits = 11£©

»ã×Ü£º172.16.168.0/21£¨Summary: 172.16.168.0/21£©

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»ã×ÜÁ·Ï°£¨SummarizationExample£©192.168.8.0/24AA192.168.8.0/2192.168.9.0/244BB192.168.9.0/24£¿£¿£¿£¿HQHQ48.15.0/2.16192.168.15.0/24HH192Á·Ï°´ð°¸£¨Exercise Answer£©192.168.8.0/24AA192.168.8.0/2192.168.9.0/244BB192.168.9.0/24HQ192.168.8.0/21HQ/248.1.0192.168.15.0/249.165HH12?8Ìõ·ÓÉÌõÄ¿±»»ã×ܳÉÒ»Ìõ?Networks 192.168.8.0/24 through 192.168.15.0/24 are summarized by in one advertisement 192.168.8.0/21

×÷Òµ£º

1.ʲôÊÇIPµØÖ·£¿ 2.ʲôÊÇÍøÂçÑÚÂ룿

3.IPµØÖ·Í¨³£·ÖΪÄļ¸Àࣿ·¶Î§ÊÇÔõÑùµÄ£¿ 4.Ϊʲô½øÐÐ×ÓÍø»®·Ö£¿ 5.×ÓÍø»®·ÖµÄ˼ÏëÊÇʲô£¿ 6.ʲôÊÇVLSM? 7. ʲôÊÇ»ã×Ü£¿

8.192.168.0.0~192.168.7.0»ã×ܺóµÄ½á¹ûÊÇʲô£¿

9.¶ÔÓÚ¸ø¶¨µÄCÀàµØÖ·£¬ÐèÒª»®·Ö5¸ö×ÓÍø£¬×ÓÍøÑÚÂëÓ¦¸ÃÊÇʲô£¿

- 10 -

µÚÈýÕ PPPµãµ½µãЭÒé

1. PPP×é³É£¨PPP Components £©

2. PPP»á»°½¨Á¢£¨ PPP Session Establishment £© 3. PPPÈÏÖ¤£¨ PPP Authentication £©

4. PAPºÍCHAPÅäÖ㨠Configure CHAP and PAP £© 5. ÑéÖ¤PPP£¨Verify PPP configuration£© HDLCÃüÁ HDLC Command£©

? HDLCÊÇ´®ÐÐÏß·µÄĬÈÏ·â×° PPP×é³É

1. HDLC £ºPPPÓÃHDLC×÷Ϊµãµ½µãÁ´Â·ÉÏ»ù±¾µÄ·â×°·½·¨. 2. LCP£º½¨Á¢¡¢ÅäÖúͲâÊÔÊý¾ÝÁ´Â·µÄÁ¬½Ó 3. NCP £º½¨Á¢ºÍÅäÖò»Í¬µÄÍøÂç²ãЭÒé

? PPPÓÃNCP½øÐжàÖÖЭÒéµÄ·â×° ? PPPÓÃLCP½øÐÐÁ´Â·µÄ½¨Á¢Óë¿ØÖÆ LCP¿ØÖÆÐ­Òé

? ÓÃÓÚÔÚ¹ãÓòÍøÊý¾ÝÁ´Â·ÉÏ£¬Ð­É̺ÍÉèÖÿØÖÆÑ¡Ï¶Ô¶àÖÖÍøÂç²ãЭÒé½øÐзâ×°ºÍÑ¡

ÏîЭÉÌ¡£

? ЭÉÌÑ¡Ïî°üÀ¨£º

? Éí·ÝÑéÖ¤£ºPAP»òCHAP

? ѹËõÑ¡ÏÓÃÓÚÌá¸ßÁ´Â·µÄÍÌÍÂÁ¿

? ´íÎó¼ì²â£ºQualityºÍMagic NumberÑ¡Ïî ? ¶àÁ´Â·£ºÖ§³ÖÁ´Â·À¦°ó

? PPP»Ø²¦£ºÓÃÓÚ½øÒ»²½Ìá¸ß°²È«ÐÔ

LCP»¹¿ÉÒÔ´¦Àí·Ö×é´óС±ä¶¯µÄÏÞ¶¨¡¢Õì²â±ÈÒ»°ãµÄÅäÖôíÎó¡¢ÖÕÖ¹Á´Â·ÒÔ¼°È·¶¨Á´Â·¹¦ÄÜÊÇ·ñÕý³£¡£ PPPÖ¡¸ñʽ

PPP»á»°½¨Á¢

1. Á´Â·µÄ½¨Á¢ºÍÅäÖõÄЭÉÌ 2.Á´Â·ÖÊÁ¿¼ì²â

3.ÍøÂç²ãЭÒéÅäÖÃЭµ÷ 4.Á´Â·ÖÕÖ¹

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PPPÑé֤ЭÒé

1¡¢PAP£ºPassword Authentication Protocol ÃÜÂëÃ÷ÎÄ´«Êä ¶Ô·½¿ØÖÆÁ¬½ÓÇëÇó

2¡¢CHAP :Challenge Handshake Authentication Protocol ÃÜÎÄ·½Ê½´«µÝÃÜÂë

ÓÐЧ±ÜÃâÔÙÉú¹¥»÷ºÍ³¢ÊÔ¹¥»÷ ÅäÖÃPPP

ÔÚ¶Ë¿ÚģʽÏÂÆô¶¯PPP£º

Router(config-if)#encapsulation ppp

Router(config)#hostname name Ö¸¶¨Äã×Ô¼ºÂ·ÓÉÆ÷µÄÖ÷»úÃû

Router(config)#username name password password È·Èϱ»ÈÏ֤·ÓÉÆ÷µÄÓû§ÃûºÍÃÜÂë Router(config-if)#ppp authentication

{chap | chap pap | pap chap | pap} Ñ¡ÔñPAP»¹ÊÇCHAP×÷ΪÈÏ֤ЭÒé PPPÁ¬½Ó¹ÊÕÏÅųý

Show interface serialÃüÁî ÑéÖ¤PPP·â×°µÄÕýÈ·ÅäÖà Show controllers ÃüÁî ÏÔʾPPP·â×°µÄÏß·¹ÊÕÏ

DebugÃüÁî ½â¾öPPP´®ÐÐÏß·¼°¹ãÓòÍøµÄÑéÖ¤ºÍµ÷ÊÔ¹¤¾ß

PPPЭÒéÓÚP2PµÄÇø±ð

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2¡¢PPPµÄÁ½ÖÖÈÏÖ¤·½·¨ÊÇʲô£¿¸÷ÓÐÊ²Ã´ÌØµã£¿ 3¡¢PAP²ÉÓü¸´ÎÎÕÊÖ£¿CHAP²ÉÓü¸´ÎÎÕÊÖ£¿ 4¡¢PPPЭÒéÓÚP2PµÄÇø±ðÓÐÄÄЩ?

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·ÓÉ»ã×Ü 172.16.25.0/2172.16.26.0/2A 172.16.27.0/2Routing table 172.16.25.0/24 172.16.26.0/24 ·ÓÉЭÒéÄܹ»½«¼¸Ìõ·ÓÉÌõÄ¿»ã×ܳÉÒ»Ìõ 172.16.27.0/24 ÔÚÒ»¸öλ×éÄÚ»ã×Ü 172.16.168.0/24 = 10101100 . 00010000 . 10101 000 . 00000000 172.16.169.0/24 = 172 . 16 . 10101 001 . 0 172.16.170.0/24 = 172 . 16 . 10101 010 . 0 172.16.171.

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