ANTON
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2009-06-22 20:15:22, Á¶È¸ : 203, Ãßõ : 40 |
RIPÀº ÇöÀç ¾²ÀÌ°í ÀÖ´Â IP Routing ProtocolÁß¿¡¼ °¡Àå ¿À·¡µÈ °ÍÀ¸·Î ÀÌÇØÇϱ⠽±°í ¼³Á¤Çϱ⵵ ½±´Ù.
5.1 Ư¡
Distance Vector Routing Protocol
Interior Gateway Routing Protocol
¼ºñ½ºÇÏ´Â Network Address IP Network Address
AS Number ÇÊ¿ä¿©ºÎ ºÒÇÊ¿ä
metric hop count
Routing Information Update ÁÖ±â 30ÃÊ
Full Update / Partial Update Full Routing Information Update
Single / Multi Path Routing Single Path Routing
Neighbor ¼³Á¤°ü°è Flat
AdvertisingÇÏ´Â IP Network Address ÇüÅ Class ÇüÅ·θ¸ ÇÔ
AdvertisingÇÒ IP Network Address ¼±¾ð¹æ¹ý Interface¿¡ ÇÒ´çµÈ IP AddressÀÇ º»·¡ Class ÇüÅÂÀÇ IP Network Address¸¦ ¼±¾ðÇØÁÜ
RIPÀº Distance Vector Routing ProtocolÀÇ ´ëÇ¥ÀûÀÎ ¿¹·Î¼, IP Network Address¿¡ ´ëÇÑ ¶ó¿ìÆüºñ½º¸¦ Á¦°øÇÏ´Â IP Routing ProtocolÀÌ´Ù. ÀϹÝÀûÀ¸·Î Interior Gateway Protocol·Î ÀÌ¿ëµÇ¸ç, RIPÀ» ¼³Á¤ÇÒ¶§ AS Number¸¦ ÇÊ¿ä·Î ÇÏÁö ¾Ê´Â´Ù.
5.1.1 Metric
RIPÀº ¸ñÀûÁö±îÁö °¥ ¼ö ÀÖ´Â ¿©·¯ °æ·ÎÁß¿¡¼ °æÀ¯ÇÏ´Â ¶ó¿ìÅÍÀÇ °¹¼ö°¡ ÀÛÀº °æ·Î¸¦ ¼±ÅÃÇÑ´Ù. À̶§ °æÀ¯ÇÏ´Â ¶ó¿ìÅÍÀÇ °¹¼ö¸¦ Hop Count¶ó°í Çϴµ¥ RIPÀÌ Cost¸¦ °è»êÇÏ´Â ¹æ¹ýÀº ´ÙÀ½°ú °°´Ù.
Cost = Hop_Count (´Ü, Hop_Count < 16 )
Hop Count°¡ 16ÀÌ»óÀÎ °ÍÀº ÇØ´ç ¸ñÀûÁö±îÁö °¡´Â °æ·Î°¡ ¾ø´Â °ÍÀ¸·Î ÆÇ´ÜÇÑ´Ù.
E0 s2 s0 e0
Net1 A s0 net2 s0 C net6 D net7
s1 net3 s1 net4 s1
s0 B
À§ ±×¸²°ú °°ÀÌ ³×Æ®¿÷ÀÌ ±¸¼ºµÇ¾î ÀÖ°í °¢ ¶ó¿ìÅ͵éÀÌ RIPÀ» È°¼ºÈÇÏ¿´´Ù¸é ¶ó¿ìÅÍ A´Â ´ÙÀ½°ú °°Àº Routing InformationÀ» °®°Ô µÉ °ÍÀÌ´Ù. Á÷Á¢ Á¢¼ÓµÇ¾î ÀÖ´Â ³×Æ®¿÷¿¡ ´ëÇÑ Cost´Â 0À̸ç, Next HopÀÌ ÀÚ½ÅÀÎ °Í¿¡ À¯ÀÇÇÏÀÚ.
¸ñÀûÁö Cost Next Hop
net1 0 ÀÚ½Å
net2 0 ÀÚ½Å
net2 2 B
net3 0 ÀÚ½Å
net3 2 C
net4 1 C
net4 1 B
net5 1 C
net5 2 B
net6 2 C
net6 3 B
Routing InformationÀ» º¸¸é net1À» Á¦¿ÜÇÏ°í °¥ ¼ö ÀÖ´Â °æ·Î°¡ 2°³¾¿ Á¸ÀçÇÑ´Ù. ÀÌ·± °æ¿ì RIPÀº Cost°¡ ÀÛÀº °Í¸¸À» ¼±ÅÃÇÏ¿© Routing Table¿¡ µî·ÏÀ» ÇÑ´Ù. ¸¸¾à µ¿ÀÏÇÑ ¸ñÀûÁö¿¡ ´ëÇÑ ´Ù¸¥ °æ·Î°¡ ÀÖÀ» °æ¿ì ±× Cost°¡ µ¿ÀÏÇÑ °ÍÀÌ ÀÖ´Ù¸é ±×°ÍµéÀ» ¸ðµÎ Routing Table¿¡ µî·ÏÇÑ´Ù. °á°ú´Â ´ÙÀ½°ú °°´Ù.
¸ñÀûÁö Cost Next Hop
net1 0 ÀÚ½Å
net2 0 ÀÚ½Å
net3 0 ÀÚ½Å
net4 1 C
net4 1 B
net5 1 C
net6 2 C
µû¶ó¼ net6¸¦ °¡´Âµ¥ ¶ó¿ìÅÍ C, D¸¦ Áö³ª°¡¸ç, ¶ó¿ìÅÍ B, C,D¸¦ Áö³ª°¡Áö ¾Ê´Â´Ù. ±×·¯³ª net4¸¦ °¥¶§´Â ¶ó¿ìÅÍC¸¦ Áö³ª°¡´Â °æ¿ì ȤÀº ¶ó¿ìÅÍB¸¦ Áö³ª°¡´Â °æ¿ì Cost°¡ ¸ðµÎ 1À̹ǷΠ¶ó¿ìÅÍA´Â ÀÓÀÇ·Î 2°æ·ÎÁß Çϳª¸¦ ¼±ÅÃÇÑ´Ù.
5.1.2 Routing InformationÀÇ ±³È¯
RIPÀÌ È°¼ºÈµÈ ¶ó¿ìÅÍA´Â ¸Ç óÀ½ Àڽſ¡°Ô Á÷Á¢ Á¢¼ÓµÈ ³×Æ®¿÷À» ÀÎÁ¢ÇÑ ¶ó¿ìÅÍB, C¿¡°Ô ¾Ë·ÁÁØ´Ù. ±×·¯¸é ¶ó¿ìÅÍB¿Í C´Â ÀÚ½ÅÀÌ ¾Ë°í ÀÖ´Â ³×Æ®¿÷°ú ¶ó¿ìÅÍA·ÎºÎÅÍ ¹ÞÀº ³×Æ®¿÷À» ÃëÇÕÇÏ¿© ¶ó¿ìÅÍA¸¦ Æ÷ÇÔÇÏ¿© ÀÎÁ¢ÇÑ ¶ó¿ìÅ͵鿡°Ô Àü´ÞÇØ ÁØ´Ù. À̶§ ¶ó¿ìÅÍA´Â ¶ó¿ìÅÍB¿Í C·ÎºÎÅÍ ³×Æ®¿÷Á¤º¸¸¦ Àü´Þ¹ÞÀ»¶§ ÀÚ½ÅÀÌ ¾Ë·ÁÁØ ³×Æ®¿÷Á¤º¸´Â ¹«½ÃÇÑ´Ù.
¶ó¿ìÅÍA ¶ó¿ìÅÍB ¶ó¿ìÅÍC ¶ó¿ìÅÍD
net1 0 net3 0 net2 0 net5 0
net2 0 net4 0 net4 0 net6 0
net3 0 net5 0
a°¡ b, c¿¡°Ô Àü´ÞÇßÀ»¶§
net1 1 a net1 1 a
net2 1 a net2 0
net3 0 net3 1 a
net4 0 net4 0
net5 0
b°¡ a¿Í c¿¡°Ô Àü´ÞÇßÀ»¶§
net1 0 net1 1 a
net2 0 net1 2 b
net3 0 net2 0
net4 1 b net3 1 a
net3 1 b
net4 0
net5 0
c°¡ a¿Í b, d¿¡°Ô Àü´ÞÇßÀ»¶§
net1 0 net1 1 a net1 2 c
net2 0 net2 1 a
net3 0 net2 1 c net2 1 c
net4 1 b net3 0 net3 2 c
net4 1 c net4 0 net4 1 c
net5 1 b net5 1 c net5 0
net6 0
ÀÌ·¯ÇÑ °úÁ¤À» ÅëÇØ ÃÖÁ¾ÀûÀ¸·Î °¢ ¶ó¿ìÅ͵éÀº ´ÙÀ½°ú °°Àº Routing InformationÀ» °®°Ô µÈ´Ù.
net1 0 net1 1 a net1 1 a net1 2 c
net2 0 net1 2 c net1 2 b net2 1 c
net3 0 net2 1 a net2 0 net3 2 c
net4 1 c net2 1 c net3 1 a net4 1 c
net4 1 b net3 0 net3 1 b net5 0
net5 1 c net4 0 net4 0 net6 0
net5 2 b net5 1 c net5 0
net6 2 c net5 2 a net6 1 d
net6 3 b net6 2 c
net6 3 a
±×¸®°í °°Àº ¸ñÀûÁö¿¡ ´ëÇØ µ¿ÀÏÇÑ ´Ù¸¥ °æ·Î°¡ ÀÖÀ» °æ¿ì ÀÌÁß cost°ªÀÌ ÀÛÀº °ÍÀ»Routing Table¿¡ µî·ÏÀ» ÇÑ´Ù.
net1 0 net1 1 a net1 1 a net1 2 c
net2 0 net2 1 c
net3 0 net2 1 a net2 0 net3 2 c
net4 1 c net2 1 c net3 1 a net4 1 c
net4 1 b net3 0 net3 1 b net5 0
net5 1 c net4 0 net4 0 net6 0
net5 1 c net5 0
net6 2 c net6 1 d
net6 2 c
RIPÀº º¯ÈµÈ ³×Æ®¿÷¿¡ ´ëÇÑ Á¤º¸»Ó¸¸¾Æ´Ï¶ó º¯ÈµÇÁö ¾ÊÀº ³×Æ®¿÷Á¤º¸ ¸ðµÎ¸¦ ÀÎÁ¢ÇÑ ¶ó¿ìÅÍ¿¡°Ô Àü´ÞÇÏ´Â Full Update ¹æ¹ýÀ» ÀÌ¿ëÇÑ´Ù. ÀÌ·¯ÇÑ Æ¯¼ºÀº ³×Æ®¿÷Á¤º¸°¡ ¸¹À» °æ¿ì Åë½Å´ë¿ªÀ» ¸¹ÀÌ ¼Ò¸ðÇÏ°í ¶Ç´Â ³×Æ®¿÷Á¤º¸¸¦ Àü´ÞÇϴµ¥ ¸¹Àº ½Ã°£À» ÇÊ¿ä·Î ÇÏ´Â ´ÜÁ¡ÀÌ ÀÖ´Ù.
±×¸®°í °¢ ¶ó¿ìÅÍ´Â 30Ãʸ¶´Ù Á¤±âÀûÀ¸·Î ÀÎÁ¢ÇÑ ¶ó¿ìÅÍ¿Í Routing InformationÀ» ÁÖ°í ¹Þ´Âµ¥ À§ ±×¸²¿¡¼ net1¿¡ ´ëÇÑ º¯È°¡ ¶ó¿ìÅÍA·ÎºÎÅÍ ¶ó¿ìÅÍD¿¡°Ô Àü´ÞµÇ´Âµ¥ ±îÁö´Â ÃÖ´ë 60ÃÊ°¡ °É¸± ¼ö ÀÖ´Ù.
60ÃÊ = 2 hop x 30ÃÊ/hop
±×¸®°í ÀÚ½ÅÀÌ ¾Ë°í ÀÖ´Â ³×Æ®¿÷¿¡ ´ëÇÑ Á¤º¸°¡ 90ÃÊ µ¿¾È ´Ù¸¥ °÷À¸·ÎºÎÅÍ Àü´ÞµÇ¾î ¿ÀÁö ¾ÊÀ¸¸é ÇØ´ç ³×Æ®¿÷¿¡ ´ëÇÑ Á¤º¸¸¦ Routing Table¿¡¼ »èÁ¦ÇÑ´Ù.
5.1.3 ´ÜÁ¡
RIPÀº ¿©·¯°¡Áö ´ÜÁ¡ÀÌ Àִµ¥ Distance Vector Routing Protocol ÀÇ ´ëÇ¥ÀûÀÎ ¹®Á¦Á¡ÀÎ loop ¹ß»ý°¡´É¼ºÀ» ¿©±â¿¡¼ ¾ð±ÞÇÏÁö ¾Ê°í, hop count ¸¦ Cost·Î ÀÌ¿ëÇϴ Ư¼ºÀ¸·Î ÀÎÇÑ ¹®Á¦Á¡¸¸À» À̾߱â Çϵµ·Ï ÇÏ°Ú´Ù. hop count ¸¸À¸·Î °æ·Î¸¦ °áÁ¤ÇÏ´Â °ÍÀº ±¸ÇöÇϱ⵵ ½±°í ÀÌÇØÇϱ⵵ ½¬¿ï»Ó´õ·¯, ¶ó¿ìÅÍ¿¡ ¸¹Àº ¸Þ¸ð¸®¿Í °í¼º´ÉÀÇ ¿¬»ê´É·ÂÀ» ¿ä±¸ÇÏÁöµµ ¾Ê´Âµî ¿©·¯°¡Áö ÀåÁ¡ÀÌ ÀÖÀ¸³ª ±×·Î ÀÎÇÑ ¹®Á¦Á¡µéÀÌ ¹ß»ýÇÑ´Ù.
ù¹ø° ¹®Á¦Á¡Àº hop count ¸¸À» º¸°í °æ·Î¸¦ °áÁ¤Çϱ⠶§¹®¿¡ ½ÇÁ¦ ÃÖÀûÀÇ °æ·Î¸¦ ¼±ÅÃÇÏÁö ¸øÇÒ ¼ö ÀÖ´Ù´Â Á¡ÀÌ´Ù. ¸¸¾à Link A-CÀÇ ´ë¿ªÀÌ 56Kbps, Link A-B ÀÇ ´ë¿ªÀÌ 1.5Mbps, Link B-CÀÇ ´ë¿ªÀÌ 1.5Mbps À̶ó¸é Link A-C¸¦ ÀÌ¿ëÇØ µ¥ÀÌŸ¸¦ º¸³»´Â °Íº¸´Ù´Â Link A-B-C¸¦ ÀÌ¿ëÇØ µ¥ÀÌŸ¸¦ º¸³»´Â °ÍÀÌ ¹Ù¶÷Á÷ÇÒ ¼ö ÀÖ´Ù. ȤÀº Link A-C°£ÀÇ Áö¿¬½Ã°£ÀÌ ¸Å¿ì ±æ°Å³ª, ºÎÇÏ°¡ ½ÉÇÒ¶§µµ ¸¶Âù°¡Áö´Ù. ÀÌ °æ¿ì IGRP³ª OSPF, EIGRP´Â RIP°ú´Â ´Þ¸® Link A-B-C¸¦ ÀÌ¿ëÇØ µ¥ÀÌŸ¸¦ º¸³¾ °ÍÀÌ´Ù. ÀÌÀ¯´Â IGRP³ª OSPF, EIGRP´Â ´ë¿ª, Áö¿¬½Ã°£ µîÀ» ¸ðµÎ °í·ÁÇÏ¿© ÃÖÀûÀÇ °æ·Î¸¦ ¼±ÅÃÇϱ⠶§¹®ÀÌ´Ù. µû¶ó¼ RIPÀº °æ·Î°¡ ´Ù¾çÇÏÁö ¾Ê°í ¶ó¿ìÅÍ¿Í ¶ó¿ìÅ͸¦ ¿¬°áÇÏ´Â ¸ÅüÀÇ ´ë¿ªÀ̳ª Áö¿¬½Ã°£µîÀÌ ºñ½ÁÇÑ °æ¿ì ÀûÇÕÇÑ Routing ProtocolÀÌ´Ù.
µÎ¹ø° ¹®Á¦Á¡Àº hop countÀÇ ÃÖ´ë°ªÀÌ 15 ·Î Á¦ÇѵǾî ÀÖ´Ù´Â Á¡ÀÌ´Ù. hop count°¡ 16ÀÌ»óÀ» Áö¿øÇÏÁö ¾Ê´Â´Ù. ¸¸¾à ´ÙÀ½°ú °°ÀÌ ³×Æ®¿÷ÀÌ ±¸¼ºµÇ¾î ÀÖ´Ù¸é net-x¿¡ ÀÖ´Â ½Ã½ºÅÛÀº net-y¿¡ ÀÖ´Â ½Ã½ºÅÛ±îÁö µ¥ÀÌŸ¸¦ Àü´ÞÇÒ ¼ö ÀÖÀ¸³ª, net-z·Î °¡´Â °æ·Î°¡ ÀÖÀ½¿¡µµ ºÒ±¸ÇÏ°í hop count°¡ 16À̹ǷΠnet-z¿¡ ÀÖ´Â ½Ã½ºÅÛ±îÁö´Â µ¥ÀÌŸ¸¦ Àü´ÞÇÒ ¼ö ¾ø´Ù. µû¶ó¼ ³×Æ®¿÷ÀÇ ±Ô¸ð°¡ Ŭ °æ¿ì hop count°¡ 16 ÀÌ»óÀÎ °æ¿ì°¡ ¸¹À» ¼ö ÀÖÀ¸¹Ç·Î RIPÀº Å« ³×Æ®¿÷ÀÇ Routing Protocol·Î´Â ºÎÀûÇÕÇÏ´Ù.
x a b c d e f g h i j k l m n o y z
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
¼¼¹ø° ¹®Á¦Á¡Àº Multi Path RoutingÀ» Á¦°øÇÏÁö ¸øÇÏ°í Single Path Routing¸¸ Áö¿øÇÑ´Ù´Â Á¡ÀÌ´Ù.
E0 s2 s0 e0
Net1 A s0 net2 s0 C net5 D net6
s1 net3 s1 net4 s1
s0 B
e0
¸¸¾à net1¿¡¼ net6·Î µ¥ÀÌŸ¸¦ º¸³¾¶§ cost°¡ ÀûÀº Link A-C¸¦ ÀÌ¿ëÇϴµ¥ ¼Û¼ö½ÅÇÏ´Â µ¥ÀÌŸ·®ÀÌ ¸¹¾Æ Link A-CÀÇ ´ë¿ªÀÌ ºÎÁ·ÇÒ ¼ö ÀÖ´Ù. ÀÌ·± °æ¿ì Link A-B-C¸¦ ÀÌ¿ëÇÏ´Â °Íµµ °í·ÁÇØ º¼ ¼ö Àִµ¥ ÀÌ·¸°Ô Cost°¡ ´Ù¸¥ °æ·Î¸¦ ÅëÇØ µ¥ÀÌŸ¸¦ º¸³¾ ¼ö ÀÖµµ·Ï ÇØÁÖ´Â °ÍÀ» Multi Path Routing À̶ó°í ÇÑ´Ù. Multi Path RoutingÀ» ÀÌ¿ëÇÏ¸é µ¥ÀÌŸ°¡ ¾çÂÊÀ¸·Î ºÐ»êµÉ ¼ö ÀÖ¾î ´ë¿ªÀ» È¿À²ÀûÀ¸·Î ÀÌ¿ëÇÒ ¼ö ÀÖ´Â ÀåÁ¡ÀÌ ÀÖ´Ù. ±×·¯³ª RIPÀº ÀÌ·¯ÇÑ Multi Path RoutingÀ» Á¦°øÇÏÁö ¸øÇÑ´Ù. IGRP³ª OSPF, EIGRP´Â Multi Path RoutingÀ» Á¦°øÇÑ´Ù.
±×·¯³ª Cost°¡ µ¿ÀÏÇÑ °æ·Î¿¡ ´ëÇؼ´Â µ¥ÀÌŸ°¡ ÀÓÀÇÀÇ °æ·Î¸¦ µû¶ó ¸ñÀûÁö±îÁö Àü´ÞµÇ¹Ç·Î LinkÀÇ ºÎÇϸ¦ ºÐ»êÇÒ ¼ö Àִµ¥ ´ÙÀ½°ú °°Àº »óȲÀ» °¡Á¤ÇØ º¸ÀÚ.
net1 net2 c net7 net8
a b e f
d
¶ó¿ìÅÍ A¿¡¼ net7 ȤÀº net8À» °¡·Á°í ÇÒ¶§ Cost°¡ µ¿ÀÏÇÑ Link B-C-D ȤÀº Link B-D-E¸¦ ÀÌ¿ëÇÑ´Ù.
µû¶ó¼ ´ÙÀ½°ú °°ÀÌ Cost°¡ ´Ù¸¥ »óȲ¿¡¼ Link A-C¿Í Link A-B-C¸¦ ÀÌ¿ëÇÏ·Á¸é ¿î¿µÀÚ°¡ ÇØ´ç ¸ñÀûÁö¿¡ ´ëÇÑ Cost¸¦ µ¿ÀÏÇÏ°Ô ¼³Á¤ÇÏ¿© °¡´ÉÇÏ°Ô ÇÒ ¼ö ÀÖ´Ù.
E0 s2 s0 e0
Net1 A s0 net2 s0 C net5 D net6
s1 net3 s1 net4 s1
s0 B
e0
¶ó¿ìÅÍ A¿¡¼
ip route net5 router-c
ip route net5 router-b
ip route net6 router-c
ip route net6 router-b
À§¿Í °°ÀÌ Static Route·Î ¼±¾ðÇϸé net5¿Í net6À» °¥ ¼ö ÀÖ´Â cost´Â ¸ðµÎ 0À¸·Î ¼³Á¤µÈ´Ù. µû¶ó¼ net5³ª net6¸¦ °¡°íÀÚ ÇÒ¶§ ÀÓÀÇ·Î µ¥ÀÌŸ¸¦ ¶ó¿ìÅÍB³ª ¶ó¿ìÅÍC·Î Àü´ÞÇÑ´Ù. ¶ó¿ìÅÍ C¿¡¼µµ ´ÙÀ½°ú °°ÀÌ ¼±¾ðÇØ ÁÖ´Â °ÍÀÌ ¹Ù¶÷Á÷ÇÏ´Ù.
ip route net1 router-a
ip route net1 router-b
5.2 RIPÀÇ ¼³Á¤
5.2.1 RIP È°¼ºÈ ¹× ³×Æ®¿÷ ¼±¾ð
RIPÀ» ¼³Á¤ÇÏ´Â ¹æ¹ýÀº °£´ÜÇÏ´Ù. ÀÏ´Ü Routing Protocol·Î RIPÀ» È°¼ºÈÇÏ°í Àڽſ¡°Ô Á÷Á¢ Á¢¼ÓµÈ Interface¿¡ ÇÒ´çµÈ IP AddressÀÇ IP Network Address¸¦ ¼±¾ðÇØ ÁÖ¸é µÈ´Ù. ¶ó¿ìÅÍ´Â À̶§ ¼±¾ðµÈ IP Network Address¸¦ ÀÎÁ¢ÇÑ ¶ó¿ìÅÍ¿¡°Ô ¾Ë·ÁÁÖ°Ô µÈ´Ù.
ÀϹÝÀûÀÎ ¼³Á¤¹æ¹ýÀº ´ÙÀ½°ú °°´Ù.
Router(config)# router rip
Router(config-router)# network ip-network-address
E0 s2 s0 e0
Net1 A s0 net2 s0 C net5 D net6
s1 net3 s1 net4 s1
s0 B
e0
À§¿Í °°Àº »óȲ¿¡¼ ¶ó¿ìÅÍA¿¡ Á÷Á¢ Á¢¼ÓµÈ Interface¿¡ ÇÒ´çµÈ IP Network Address´Â net1, net2, net3À̹ǷΠ´ÙÀ½°ú °°ÀÌ ¼±¾ðÀ» ÇÑ´Ù.
Router-A(config)# router rip
Router-A(config-router)# network net1
Router-A(config-router)# network net2
Router-A(config-router)# network net3
¶ó¿ìÅÍ B¿Í ¶ó¿ìÅÍC´Â ´ÙÀ½°ú °°ÀÌ ¼±¾ðÀ» ÇÒ °ÍÀÌ´Ù.
Router-B(config)# router rip
Router-B(config-router)# network net3
Router-B(config-router)# network net4
ÀÌ·¸°Ô ÇÏ¸é ¶ó¿ìÅÍA´Â Interface¿Í Á÷Á¢ ¿¬°áµÈ ¶ó¿ìÅÍB, ¶ó¿ìÅÍC¿Í RIPÀ¸·Î Routing InformationÀ» ±³È¯ÇÏ°Ô µÈ´Ù. ¿©±â¿¡¼ ¶ó¿ìÅÍCµµ ºñ½ÁÇÑ ¹æ¹ýÀ¸·Î ´ç¿¬È÷ RIPÀ» È°¼ºÈÇØ¾ß ÇÑ´Ù.
¶ó¿ìÅÍA¿¡¼ ´ÙÀ½°ú °°ÀÌ net1À» »©°í ¼±¾ðÀ» Çϸé net1¿¡ ´ëÇÑ Á¤º¸¸¦ ¶ó¿ìÅÍB³ª ¶ó¿ìÅÍC¿¡°Ô Àü´ÞÇÏÁö ¾Ê´Â´Ù.
Router-A(config)# router rip
Router-A(config-router)# network net2
Router-A(config-router)# network net3
¶ó¿ìÅÍA¿¡¼ ´ÙÀ½°ú °°ÀÌ net3¸¦ »©°í ¼±¾ðÀ» ÇÏ¸é ¶ó¿ìÅÍB¿Í´Â Routing InformationÀ» Àü´ÞÇÏÁö ¾ÊÀ»»Ó´õ·¯ net3¿¡ ´ëÇÑ Á¤º¸¸¦ ¶ó¿ìÅÍ C¿¡°Ô Àü´ÞÇÏÁö ¾Ê´Â´Ù.
Router-A(config)# router rip
Router-A(config-router)# network net1
Router-A(config-router)# network net2
Áï network ¸í·É¾î¿¡ ¼±¾ðµÈ IP Network Address´Â ¾î¶² ³×Æ®¿÷Á¤º¸¸¦ ¾î¶² ¶ó¿ìÅÍ¿Í ÁÖ°í ¹ÞÀ» °ÍÀΰ¡¸¦ µ¿½Ã¿¡ ¼±¾ðÇÏ´Â ¿ªÇÒÀ» ÇÑ´Ù.
±×·¸Áö¸¸ Àڽſ¡°Ô Á÷Á¢ Á¢¼ÓµÇ¾î ÀÖÁö ¾ÊÀº ³×Æ®¿÷À» ¼±¾ðÇÏÁö´Â ¸»µµ·Ï ÇÑ´Ù. °¡·É ¶ó¿ìÅÍC¿¡¼ ´ÙÀ½°ú °°ÀÌ ¼±¾ðÇÒ ¼ö Àִµ¥ ¿©±â¿¡¼ net6Àº Á÷Á¢ Á¢¼ÓµÇ¾î ÀÖÁö ¾ÊÀ¸¹Ç·Î ÀÌ°ÍÀº ºüÁ®¾ß¸¸ ÇÑ´Ù.
Router-C(config)# router rip
Router-C(config-router)# network net2
Router-C(config-router)# network net4
Router-C(config-router)# network net5
Router-C(config-router)# network net6
5.2.2 Class ÇüÅ·ΠNetwork ¼±¾ð
5.2.1¿¡¼ network ¸í·É¾î·Î ¼±¾ðÇÏ´Â IP Network Address´Â ¹Ýµå½Ã Class ÇüÅÂÀÇ IP Network Address À̾î¾ß ÇÑ´Ù.
128.1.2.1/24
128.1.1.1/24 A
130.1.1.1/24
´ÙÀ½°ú °°ÀÌ ¶ó¿ìÅÍA°¡ 3°³ÀÇ Interface¸¦ °®°í ÀÖÀ»¶§, °¢ Interface¿¡ Class B IP AddressÀÎ 128.1.0.0 ¹× 130.1.0.0 ÀÇ Subnet¿¡ ¼ÓÇÏ´Â IP Address°¡ ÇÒ´çµÇ¾ú´Ù¸é network ¸í·É¾î·Î ¼±¾ðÇÏ´Â IP Network Address´Â 128.1.1.0, 128.1.2.0, 130.1.1.0 ÀÌ ¾Æ´Ï¶ó Subnetting µÇ±â ÀÌÀüÀÇ Class ÇüÅÂÀÇ IP AddressÀÎ 128.1.0.0°ú 130.1.0.0À» ¼±¾ðÇØ ÁÖ¾î¾ß ÇÑ´Ù.
Router-A(config)# router rip
Router-A(config-router)# network 128.1.0.0
Router-A(config-router)# network 130.1.0.0
RIPÀº ³×Æ®¿÷¿¡ ´ëÇÑ Á¤º¸¸¦ ´Ù¸¥ ¶ó¿ìÅÍ·Î Àü´ÞÇÒ¶§ SubnettingµÈ Á¤º¸¸¦ ¹«½ÃÇÏ°í º»·¡ Class ÇüÅÂÀÇ IP Network Address·Î Àü´ÞÇϴµ¥ ÀÌ·¯ÇÑ Æ¯¼ºÀ» auto-summary¶ó°í ÇÑ´Ù. IGRPµµ RIP°ú ¸¶Âù°¡Áö·Î ÀÌ·¯ÇÑ auto-summaryÀÇ Æ¯¼ºÀ» °¡Áø´Ù.
µû¶ó¼ ÀÌ·¯ÇÑ auto-summary Ư¼ºÀ» °¡Áö´Â Routing ProtocolÀ» ÀÌ¿ëÇÏ´Â ³×Æ®¿÷¿¡¼´Â ´ÙÀ½°ú °°ÀÌ SubnettingµÈ ³×Æ®¿÷ Áß°£¿¡ ´Ù¸¥ IP Network Address°¡ ¿Àµµ·Ï IP Address¸¦ ÇÒ´çÇÏ´Â °ÍÀº ÇÇÇØ¾ß ÇÑ´Ù.
128.1.1.0/24 A 130.1.1.0/24 B 128.1.2.0/24
¶ó¿ìÅÍ A ÀÔÀå¿¡¼ Network 128.1.0.0Àº Àڽſ¡°Ô Á÷Á¢ Á¢¼ÓµÈ ³×Æ®¿÷À̹ǷΠB·ÎºÎÅÍ Àü´ÞµÇ¾îÁ® ¿À´Â 128.1.0.0À» ¹«½ÃÇÏ°Ô µÇ¸ç, °á°úÀûÀ¸·Î Subnetwork 128.1.2.0/24¿¡ ÀÖ´Â ½Ã½ºÅÛÀ¸·Î Á¢¼ÓÇÒ ¼ö ¾ø°Ô µÈ´Ù. ±×·¯³ª ´ÙÀ½°ú °°Àº »óȲÀº Çã¿ëÀÌ µÈ´Ù. ÀÌÀ¯´Â Routing InformationÀ» ±³È¯ÇÏ´Â ¸ðµç ¶ó¿ìÅ͵éÀÌ 128.1.0.0ÀÌ ¾î¶°ÇÑ Subnet Mask·Î SubnettingµÇ¾ú´ÂÁö µ¿ÀÏÇÑ Á¤º¸¸¦ °øÀ¯ÇÏ°í Àֱ⠶§¹®¿¡ ÇØ´ç SubnetworkÀ» ã¾Æ °¥ ¼ö Àֱ⠶§¹®ÀÌ´Ù.
128.1.1.0/24 A 128.1.3.0/24 B 128.1.2.0/24
±×¸®°í Subnet MaskÀÇ °ªµµ µ¿ÀÏÇØ¾ß ÇÑ´Ù´Â Á¦ÇÑÀÌ ÀÖ´Ù. ÀÌ·¯ÇÑ Æ¯¼ºÀº IP Address¸¦ È¿À²ÀûÀ¸·Î ÇÒ´çÇØ ¾²Áö ¸øÇÑ´Ù´Â ¹®Á¦Á¡À» ¹ß»ýÇϴµ¥ ÀÌ°ÍÀº OSPF ¹× EIGRP¿¡¼ ±Øº¹ÀÌ µÈ´Ù.
5.3 RIP µ¿ÀÛ È®ÀÎ
RIPÀ» ¼³Á¤ÇÑ °ÍÀ» È®ÀÎÇÏ·Á¸é ÀÏ´Ü Running Configuration FileÀ» È®ÀÎÇØ º»´Ù.
Router-A# show running-config
.........
!
router rip
network net1
network net2
network net3
......
¶Ç ´Ù¸¥ ¹æ¹ýÀº 'show ip protocols'À̶ó´Â ¸í·É¾î¸¦ ÀÌ¿ëÇØ º»´Ù. ÀÌ ¸í·É¾î¸¦ ÀÌ¿ëÇϸé È°¼ºÈµÇ¾î ÀÖ´Â Routing ProtocolÀ» ¾Ë¼ö ÀÖ´Ù.
Router>sh ip protocols
Routing Protocol is "rip"
Sending updates every 30 seconds, next due in 20 seconds
Invalid after 180 seconds, hold down 180, flushed after 240
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Redistributing: rip
Default version control: send version 1, receive any version
Interface Send Recv Key-chain
Ethernet0 1 1 2
Ethernet1 1 1 2
Routing for Networks:
130.100.0.0
130.120.0.0
Routing Information Sources:
Gateway Distance Last Update
130.120.0.2 120 00:00:00
Distance: (default is 120)
"Sending updates every 30 seconds, next due in 20 seconds" À̶ó´Â ¹®±¸¿¡¼ Routing InformationÀº 30Ãʸ¶´Ù »ó´ë¿¡°Ô Àü´ÞÇϸç, Routing InformationÀ» Àü´ÞÇÑÁö 10ÃÊ°¡ Áö³ª ´ÙÀ½¹ø±îÁö´Â 20ÃÊ°¡ ³²¾Æ ÀÖ´Ù´Â °ÍÀ» ¾Ë ¼ö ÀÖ´Ù.
RIPÀ¸·ÎºÎÅÍ ¾òÀº Routing InformationÀ» È®ÀÎÇÏ·Á¸é 'show ip route'À̶ó´Â ¸í·É¾î¸¦ ÀÌ¿ëÇÏ¸é µÈ´Ù. ±×·¯¸é ¶ó¿ìÅÍ°¡ °¡Áö°í ÀÖ´Â Routing TableÀ» º¸¿© Áִµ¥ ÁÖ¿ä Ç׸ñÀº ´ÙÀ½°ú °°´Ù.
Router-A#sh ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate default
Gateway of last resort is not set
130.130.0.0 255.255.255.0 is subnetted, 2 subnets
C 130.130.1.0 is directly connected, Serial0
C 130.130.2.0 is directly connected, Serial1
C 130.140.0.0 is directly connected, Ethernet0
R 130.100.0.0 [120/2] via 130.130.1.1, 00:00:06, Serial0
[120/2] via 130.130.2.1, 00:00:06, Serial1
R 130.120.0.0 [120/1] via 130.130.1.1, 00:00:06, Serial0
[120/1] via 130.130.2.1, 00:00:06, Serial1
5.4 ½Ç½À
e1 e0 e0 s0 s0 e0 e0 e1 e1
A B C D E
s1 s1
À§ ±×¸²°ú °°ÀÌ ³×Æ®¿÷À» ¿¬°áÇÏ°í ´ÙÀ½°ú °°ÀÌ °¢ Interface¿¡ IP Address¸¦ ÇÒ´çÇÏ°í ¾ÆÁ÷ RIPÀº È°¼ºÈÇÏÁö ¾Ê¾Ò´Ù°í °¡Á¤ÇÏÀÚ.
¶ó¿ìÅÍ A
Ethernet 1 : 130.100.1.1/24
Ethernet 0 : 130.120.0.1/16
¶ó¿ìÅÍ B
Ethernet 0 : 130.120.0.2/16
Serial 0 : 130.130.1.0/24
Serial 1 : 130.130.2.0/24
¶ó¿ìÅÍC
Serial 0 : 130.130.1.1/24
Serial 1 : 130.130.2.1/24
Ethernet 0 : 130.140.0.1/16
¶ó¿ìÅÍD
Ethernet 0 : 130.140.0.2/16
Ethernet 1 : 130.150.0.1/16
¶ó¿ìÅÍE
Ethernet 1 : 130.150.0.2/16
5.4.1 ¶ó¿ìÅÍ A
¶ó¿ìÅÍA´Â RIPÀ» È°¼ºÈÇÏ°í ÀÚ½ÅÀÇ Interface¿¡ ÇÒ´çµÈ IP Network Addres¸¦ network ¸í·É¾î·Î ¼±¾ðÇÑ´Ù.
Router-A#config t
Enter configuration commands, one per line. End with CNTL/Z.
Router-A(config)# router rip
Router-A(config-router)# network 130.100.1.0
Router-A(config-router)# network 130.120.0.0
Router-A(config-router)#^Z
Router-A # sh run
Building Configuration
.....
!
router rip
network 130.100.0.0
network 130.120.0.0
.....
Ethernet 0¿¡ ÇÒ´çµÈ IP Network Address´Â Subnetwork 130.100.1.0/24À̹ǷΠnetwork ¸í·É¾î¸¦ ÀÌ°ÍÀ» ¼±¾ðÇÒ¶§ 130.100.1.0À̶ó°í ¼±¾ðÇßÁö¸¸ È®ÀÎÀ» Çغ¸¸é Class ÇüÅÂÀÇ IP Network Address 130.100.0.0À¸·Î º¯°æµÈ »ç½ÇÀ» ¾Ë ¼ö ÀÖÀ» °ÍÀÌ´Ù.
RIPÀÌ È°¼ºÈµÇ¾ú´Â°¡ ¿©ºÎ´Â 'show ip protocol' À̶ó´Â ¸í·É¾î¸¦ ÀÔ·ÂÇØ º¸¸é ¾î¶² IP Routing ProtocolÀÌ È°¼ºÈµÇ´ÂÁö È®ÀÎÇÏ¸é µÈ´Ù.
Router-A>sh ip protocols
Routing Protocol is "rip"
Sending updates every 30 seconds, next due in 20 seconds
Invalid after 180 seconds, hold down 180, flushed after 240
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Redistributing: rip
Default version control: send version 1, receive any version
Interface Send Recv Key-chain
Ethernet0 1 1 2
Ethernet1 1 1 2
Routing for Networks:
130.100.0.0
130.120.0.0
Routing Information Sources:
Gateway Distance Last Update
Distance: (default is 120)
°»½ÅÀº ¸îÃʸ¶´Ù Çϸç, RIPÀ¸·Î Àü´ÞÇÏ´Â IP Network Address µîÀÌ ³ªÅ¸³ª´Âµ¥, ¾ÆÁ÷ ¶ó¿ìÅÍA¿Í RIPÀ¸·Î Routing InformationÀ» ÁÖ°í ¹Þ´Â ¶ó¿ìÅÍ°¡ ¾øÀ¸¹Ç·Î 'Routing Information Source¿¡ µî·ÏµÈ Ç׸ñÀÌ ¾øÀ½À» ¾Ë ¼ö ÀÖ´Ù.
¾ÆÁ÷ ¶ó¿ìÅÍB¿¡¼ RIPÀ» È°¼ºÈÇÏÁö ¾Ê¾ÒÀ¸¹Ç·Î ¶ó¿ìÅÍA°¡ °®°í ÀÖ´Â Routing TableÀ» ´ÙÀ½°ú °°´Ù.
Router-A#sh ip route
.....
130.100.0.0/16 is subnetted, 1 subnets
C 130.100.1.0 is directly connected, Ethernet1
C 130.120.0.0/16 is directly connected, Ethernet0
Router-A#
¶ó¿ìÅÍA¿¡°Ô Á÷Á¢ Á¢¼ÓµÇ¾î ÀÖ´Â ³×Æ®¿÷¿¡ ´ëÇÑ Á¤º¸¸¸ ³ªÅ¸³¯»Ó RIP¿¡ ÀÇÇÑ °æ·Î´Â Çϳªµµ ¾øÀ½À» º¼ ¼ö ÀÖ´Ù. ±×¸®°í 130.100.0.0ÀÌ Subnetting µÇ¾ú´Ù´Â »ç½ÇÀ» ¾Ë ¼ö Àִµ¥ ÀÌ Á¤º¸´Â ´Ù¸¥ ¶ó¿ìÅÍ¿¡°Ô Àü´ÞµÇÁö ¾Ê´Â´Ù. ÀÌ »ç½ÇÀº ¶ó¿ìÅÍB¿¡¼ È®ÀÎÇÒ ¼ö ÀÖÀ» °ÍÀÌ´Ù. Áï RIPÀ» ¿î¿µÇÏ´Â ¶ó¿ìÅÍ´Â Àڽſ¡°Ô Á÷Á¢ Á¢¼ÓµÇ¾î ÀÖ´Â IP Network Address°¡ ¾î¶»°Ô Subnetting µÇ¾ú´ÂÁö¸¸À» ÀÎÁöÇÑ´Ù.
5.4.2 ¶ó¿ìÅÍ B
¶ó¿ìÅÍBµµ RIPÀ» È°¼ºÈÇÏ°í Àڽſ¡°Ô Á÷Á¢ Á¢¼ÓµÈ IP Network Address¸¦ ¼±¾ðÇÑ´Ù. ¾Æ·¡¿¡¼´Â Subnetwork Address 130.130.1.0°ú 130.130.2.0À» °¢°¢ ¼±¾ðÇØ º¸¾Ò´Ù. ±×·¯³ª ¼³Á¤µÈ °á°ú¸¦ È®ÀÎÇØ º¸¸é ±×°ÍÀÇ Class B IP Network Address 130.130.0.0À¸·Î 1°³¸¸ µî·ÏµÈ °ÍÀ» º¼ ¼ö ÀÖÀ» °ÍÀÌ´Ù.
Router-B#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router-B(config)#router rip
Router-B(config-router)#network 130.120.0.0
Router-B(config-router)#network 130.130.1.0
Router-B(config-router)#network 130.130.2.0
Router-B(config-router)#exit
Router-B(config)#exit
Router-B#sh run
......
!
router rip
network 130.120.0.0
network 130.130.0.0
......
±×¸®°í ¶ó¿ìÅÍBÀÇ Routing TableÀ» Á¶È¸ÇØ º¸¸é Àڽſ¡°Ô Á÷Á¢ Á¢¼ÓµÈ IP Network Address ¿Ü¿¡ RIP¿¡ ÀÇÇØ ¶ó¿ìÅÍA·ÎºÎÅÍ Àü´Þ¹ÞÀº IP Network Address 130.100.0.0ÀÌ µî·ÏµÇ¾î ÀÖÀ½À» ¾Ë ¼ö ÀÖ´Ù. ¶ó¿ìÅÍBÀÔÀå¿¡¼ 130.100.0.0Àº ¶ó¿ìÅÍA¸¦ °ÅÃÄ µµ´ÞÇÒ ¼ö ÀÖÀ¸¹Ç·Î Cost´Â 1ÀÎ °ÍÀ» ¾Ë ¼ö ÀÖ´Ù. ±×¸®°í 130.100.0.0ÀÌ Subnetting µÇ¾ú´Ù´Â Á¤º¸°¡ ¾øÀ½À» ¾Ë ¼ö Àִµ¥ ÀÌ°ÍÀº RIPÀÌ Class ÇüÅÂÀÇ IP Network Address·Î Routing InformationÀ» Àü´ÞÇϱ⠶§¹®ÀÌ´Ù.
Router-B#sh ip route
.........
130.130.0.0 255.255.255.0 is subnetted, 2 subnets
C 130.130.1.0 is directly connected, Serial0
C 130.130.2.0 is directly connected, Serial1
R 130.100.0.0 [120/1] via 130.120.0.1, 00:00:13, Ethernet0
C 130.120.0.0 is directly connected, Ethernet0
Router-B#
±×¸®°í ¶ó¿ìÅÍA¿¡¼ Routing TableÀ» Á¶È¸ÇØ º¸¸é ¶ó¿ìÅÍB¿¡ Á¢¼ÓµÇ¾î ÀÖ´Â IP Network Address 130.130.0.0 °¡ µî·ÏµÇ¾úÀ½À» ¾Ë ¼ö ÀÖ´Ù. ¿©±â¿¡¼µµ ¸¶Âù°¡Áö·Î 130.130.0.0ÀÌ Subnetting µÇ¾ú´Ù´Â Á¤º¸´Â ¾øÀ½À» ¾Ë ¼ö ÀÖ´Ù.
Router-A>sh ip route
...............
R 130.130.0.0/16 [120/1] via 130.120.0.2, 00:00:19, Ethernet0
130.100.0.0/16 is subnetted, 1 subnets
C 130.100.1.0 is directly connected, Ethernet1
C 130.120.0.0/16 is directly connected, Ethernet0
±×¸®°í ¶ó¿ìÅÍA¿¡¼ RIPÀÇ »óŸ¦ È®ÀÎÇØ º¸¸é'Routing Information Source¿¡ ¶ó¿ìÅÍ B (130.120.0.2)°¡ µî·ÏµÇ¾úÀ½À» ¾Ë ¼ö ÀÖ´Ù.
Router-A>sh ip protocols
Routing Protocol is "rip"
Sending updates every 30 seconds, next due in 20 seconds
............
Routing Information Sources:
Gateway Distance Last Update
130.120.0.2 120 00:00:00
Distance: (default is 120)
5.4.3 ¶ó¿ìÅÍ C
¶ó¿ìÅÍC¸¦ ´ÙÀ½°ú °°ÀÌ ¼³Á¤ÇÏ¿´´Ù°í °¡Á¤ÇÏÀÚ.
Router-C#sh run
..........
!
router rip
network 130.130.0.0
network 130.140.0.0
.........
¶ó¿ìÅÍ CÀÇ Routing TableÀ» º¸¸é 130.100.0.0¿¡ ´ëÇÑ Á¤º¸ ¹× 130.120.0.0¿¡ ´ëÇÑ Routing InformationÀ» ¶ó¿ìÅÍB (130.130.1.1 ¹× 130.130.2.1)·ÎºÎÅÍ ¾ò¾ú´Ù´Â »ç½ÇÀ» ¾Ë ¼ö ÀÖ´Ù. ±×¸®°í °¢°¢¿¡ ´ëÇÑ Cost´Â 2¿Í 1ÀÎ °ÍÀ» ¾Ë ¼ö ÀÖ´Ù.
Router-C#sh ip route
............
130.130.0.0 255.255.255.0 is subnetted, 2 subnets
C 130.130.1.0 is directly connected, Serial0
C 130.130.2.0 is directly connected, Serial1
C 130.140.0.0 is directly connected, Ethernet0
R 130.100.0.0 [120/2] via 130.130.1.1, 00:00:06, Serial0
[120/2] via 130.130.2.1, 00:00:06, Serial1
R 130.120.0.0 [120/1] via 130.130.1.1, 00:00:06, Serial0
[120/1] via 130.130.2.1, 00:00:06, Serial1
±×·±µ¥ 130.100.0.0 ¹× 130.120.0.0À¸·Î °¥ ¼ö ÀÖ´Â °æ·Î°¡ 2°³°¡ ÀÖÀ½À» ¾Ë ¼ö ÀÖ´Ù. ¸¸¾à Cost °ªÀÌ ´Ù¸£´Ù¸é Cost°¡ ÀÛÀº °æ·Î Çϳª¸¸ Routing Table¿¡ µî·ÏµÇ¾úÀ»ÅÙµ¥ Cost °ªÀÌ µ¿ÀÏÇϹǷΠ¸ðµÎ Routing Table¿¡ µî·ÏµÇ °ÍÀÌ´Ù.
5.4.4 ¶ó¿ìÅÍ D, E
Router-D#sh run
.......
!
router rip
network 130.140.0.0
network 130.150.0.0
........
Router-D#sh ip route
................
R 130.130.0.0 [120/1] via 130.140.0.1, 00:00:00, Ethernet0
C 130.140.0.0 is directly connected, Ethernet0
C 130.150.0.0 is directly connected, Ethernet1
R 130.100.0.0 [120/3] via 130.140.0.1, 00:00:01, Ethernet0
R 130.120.0.0 [120/2] via 130.140.0.1, 00:00:01, Ethernet0
Router-E#sh run
.......
!
router rip
#network 130.150.0.0
......
Router-E#sh ip route
..................
R 130.130.0.0/16 [120/2] via 130.150.0.1, 00:00:06, Ethernet1
R 130.140.0.0/16 [120/1] via 130.150.0.1, 00:00:06, Ethernet1
C 130.150.0.0/16 is directly connected, Ethernet1
R 130.100.0.0/16 [120/4] via 130.150.0.1, 00:00:06, Ethernet1
R 130.120.0.0/16 [120/3] via 130.150.0.1, 00:00:06, Ethernet1
Router-E#
5.4.5 Static Route
RIPÀÌ µ¿À۵ǰí ÀÖ´Â ¶ó¿ìÅÍ°£¿¡´Â RIP¿¡ ÀÇÇØ ÁÖ°í ¹Þ´Â Routing Information¸¸ ±³È¯µÇ¸ç, RIP Routing Information¿¡ ÀÖÁö ¾ÊÀº Á¤º¸´Â Àü´ÞµÇÁö ¾Ê´Â´Ù. ÀÌ »ç½ÇÀ» ´ÙÀ½¿¡¼ ¾Ë¾Æº¸µµ·Ï ÇÏÀÚ.
¶ó¿ìÅÍ C¿¡¼ ´ÙÀ½°ú °°ÀÌ 130.120.0.0¿¡ ´ëÇÑ Static Route¸¦ ´ÙÀ½°ú °°ÀÌ ¼±¾ðÇغ¸ÀÚ.
Router-C#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router-C(config)#ip route 130.120.0.0 255.255.0.0 130.130.2.1
Router-C(config)#exit
Static Route¸¦ ¼±¾ðÇϱâ ÀÌÀü¿¡ ¶ó¿ìÅÍ C´Â ´ÙÀ½°ú °°ÀÌ 130.120.0.0À¸·Î °¥ ¼ö ÀÖ´Â 2°³ÀÇ °æ·Î 130.130.1.1°ú 130.130.2.1À» °®°í ÀÖ¾ú´Ù.
R 130.120.0.0 [120/1] via 130.130.1.1, 00:00:06, Serial0
[120/1] via 130.130.2.1, 00:00:06, Serial1
±×·¯³ª Static Route¸¦ ¼±¾ðÇϸé 2°³ÀÇ °æ·Î´Â »ç¶óÁö°í Static Route 130.130.2.1¸¸ µî·ÏµÈ °ÍÀ» º¼¼ö ÀÖ´Ù.
Router-C#sh ip route
..................
130.130.0.0 255.255.255.0 is subnetted, 2 subnets
C 130.130.1.0 is directly connected, Serial0
C 130.130.2.0 is directly connected, Serial1
C 130.140.0.0 is directly connected, Ethernet0
R 130.150.0.0 [120/1] via 130.140.0.2, 00:00:14, Ethernet0
R 130.100.0.0 [120/2] via 130.130.1.1, 00:00:14, Serial0
[120/2] via 130.130.2.1, 00:00:14, Serial1
S 130.120.0.0 [1/0] via 130.130.2.1
ÀÌÀ¯´Â Static RouteÀÇ Administrative Distance°¡ 1ÀÎ ¹Ý¸é RIPÀ¸·ÎºÎÅÍ ¾òÀº °æ·ÎÀÇ Administrative Distance°¡ 120À̹ǷΠStatic Route°¡ ¿ì¼±½Ã µÇ¸ç, Routing Table¿¡¼ RIP¿¡ ÀÇÇÑ °æ·Î´Â ´©¶ôµÇ±â ¶§¹®ÀÌ´Ù.
¶ó¿ìÅÍC¿¡¼ 130.120.0.0¿¡ ´ëÇÑ Static Route¸¦ ¼±¾ðÇÏ°í ¶ó¿ìÅÍD¿¡¼ ´ÙÀ½°ú °°ÀÌ Routing TableÀ» È®ÀÎÇغ¸¸é 130.120.0.0¿¡ ´ëÇÑ °æ·Î°¡ ³ªÅ¸³ªÁö ¾ÊÀ½À» ¾Ë ¼ö ÀÖ´Ù.
Router-D#sh ip route
..................
R 130.130.0.0 [120/1] via 130.140.0.1, 00:00:16, Ethernet0
C 130.140.0.0 is directly connected, Ethernet0
C 130.150.0.0 is directly connected, Ethernet1
R 130.100.0.0 [120/3] via 130.140.0.1, 00:00:17, Ethernet0
ÀÌÀ¯´Â ¶ó¿ìÅÍC°¡ RIPÀ¸·ÎºÎÅÍ ¾òÀº ³×Æ®¿÷¿¡ ´ëÇÑ Á¤º¸(130.100.0.0)¸¸À» ¶ó¿ìÅÍD·Î Àü´ÞÇÏ°í Static Route ·Î ¼±¾ðµÇ¾î ÀÖ´Â ³×Æ®¿÷¿¡ ´ëÇÑ Á¤º¸(130.120.0.0)¸¦ Àü´ÞÇÏÁö ¾Ê±â ¶§¹®ÀÌ´Ù.
RIP¿¡ ÀÇÇÑ ³×Æ®¿÷Á¤º¸ Static Route·Î ¼±¾ðµÈ ³×Æ®¿÷ Á¤º¸
130.100.0.0 130.120.0.0
ÀÌ·¯ÇÑ Çö»óÀº RIP, IGRP, OSPF, EIGRP, BGP4 »çÀÌ¿¡µµ ¹ß»ýÇÑ´Ù. ÀÌ·± °æ¿ì Routing Information¿¡ ´ëÇÑ ÀçºÐ¹è(Redistribution)ÀÌ ÇÊ¿äÇѵ¥ ¿©±â¿¡¼ °£´ÜÈ÷ ÀçºÐ¹èÇÏ´Â ¹æ¹ýÀ» ¾Ë¾Æº¸°Ú´Ù.
5.4.6 Static RouteÀÇ ÀçºÐ¹è
Static Route¸¦ RIPÀ¸·Î ÀçºÐ¹èÇÏ´Â ¹æ¹ýÀº ´ÙÀ½°ú °°´Ù. ´ÙÀ½°ú °°ÀÌ ÇÒ °æ¿ì ¶ó¿ìÅÍ°¡ °®°í ÀÖ´Â Static Route¿¡ ÀÇÇÑ ³×Æ®¿÷Á¤º¸¸¦ RIP¿¡ ½Ç¾î ´Ù¸¥ ¶ó¿ìÅÍ¿¡°Ô Àü´ÞÇÏ°Ô µÈ´Ù.
Router(config)# router rip
Router(config-router) redistribute static
Router(config-router) default-metric metric-value
À§¿¡¼ default-metricÀº Static Route¸¦ ´Ù¸¥ ¶ó¿ìÅÍ·Î Àü´ÞÇÒ¶§ ±×°Í¿¡ ´ëÇÑ MetricÀ» Á¤ÇØ ¾Ë·ÁÁÖ´Â °ÍÀÌ´Ù. Default-metricÀ» ¼±¾ðÇÏÁö ¾ÊÀ¸¸é ±âº»ÀûÀ¸·Î MetricÀº 1ÀÌ´Ù.
¶ó¿ìÅÍC¿¡¼ Static Route¸¦ ´ÙÀ½°ú °°ÀÌ ÀçºÐ¹èÇغ¸ÀÚ. À̶§ MetricÀ» 5·Î ¼±¾ðÇغ¸µµ·Ï ÇÏÀÚ.
Router-C#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router-C(config)#router rip
Router-C(config-router)#redistribute static
Router-C(config-router)#default-metric 5
Router-C(config-router)#exit
Router-C(config)#exit
ÀÌ °æ¿ì ¶ó¿ìÅÍC°¡ °®°í ÀÖ´Â Routing TableÀº ´ÙÀ½°ú °°ÀÌ º¯È°¡ ¾ø´Ù.
Router-C#sh ip route
................
130.130.0.0 255.255.255.0 is subnetted, 2 subnets
C 130.130.1.0 is directly connected, Serial0
C 130.130.2.0 is directly connected, Serial1
C 130.140.0.0 is directly connected, Ethernet0
R 130.150.0.0 [120/1] via 130.140.0.2, 00:00:28, Ethernet0
R 130.100.0.0 [120/2] via 130.130.1.1, 00:00:09, Serial0
[120/2] via 130.130.2.1, 00:00:09, Serial1
S 130.120.0.0 [1/0] via 130.130.2.1
±×·¯³ª ¶ó¿ìÅÍC·ÎºÎÅÍ Routing InformationÀ» Àü´Þ¹ÞÀº ¶ó¿ìÅÍDÀÇ Routing TableÀ» Á¡°ËÇØ º¸¸é 130.120.0.0¿¡ ´ëÇÑ °æ·Î°¡ ³ªÅ¸³ª ÀÖÀ½À» ¾Ë ¼ö ÀÖ´Ù. ±×¸®°í 130.120.0.0¿¡ ´ëÇÑ °æ·Î´Â RIPÀ¸·ÎºÎÅÍ Àü´Þ¹Þ¾ÒÀ¸¸ç, ±×¶§ Cost°¡ 1ÀÌ ¾Æ´Ï¶ó 5ÀÎ °ÍÀ» º¼ ¼ö ÀÖ´Ù. ÀÌÀ¯´Â ¶ó¿ìÅÍC¿¡¼ ¶ó¿ìÅÍD·Î Static Route¸¦ RIPÀ¸·Î Àü´ÞÇÒ¶§ MetricÀ» 5·Î ¼±¾ðÇ߱⠶§¹®ÀÌ´Ù. ¸¸¾à metricÀ» 10À¸·Î ¼±¾ðÇß´Ù¸é Cost°¡ 10À¸·Î Ç¥½ÃµÇ¾úÀ» °ÍÀÌ´Ù.
Router-D#sh ip route
...................
R 130.130.0.0 [120/5] via 130.140.0.1, 00:00:19, Ethernet0
C 130.140.0.0 is directly connected, Ethernet0
C 130.150.0.0 is directly connected, Ethernet1
R 130.100.0.0 [120/3] via 130.140.0.1, 00:00:20, Ethernet0
R 130.120.0.0 [120/ 5] via 130.140.0.1, 00:00:20, Ethernet0
5.4.7 network ¸í·É¾îÀÇ ¿ªÇÒ
RIPÀ» ¿î¿µÇÏ°í ÀÖ´Â ¶ó¿ìÅÍ´Â Interface¿¡ ÇÒ´çµÈ IP Network Address°¡ network ¸í·É¾î·Î ¼±¾ðµÇÁö ¾Ê¾ÒÀ» °æ¿ì ±× IP Network Address¿¡ ´ëÇÑ Á¤º¸¸¦ ´Ù¸¥ ¶ó¿ìÅÍ¿¡°Ô Àü´ÞµÇÁö ¾ÊÀ»»Ó´õ·¯, ±× IP Network Address¿¡ Á¢¼ÓµÇ¾î ÀÖ´Â ´Ù¸¥ ¶ó¿ìÅͿ͵µ Routing InformationÀ» ±³È¯ÇÏÁö ¾Ê´Â´Ù°í ÀÌ¹Ì ¹àÈù¹Ù ÀÖ´Ù. ÀÌ »ç½ÇÀ» Á÷Á¢ È®ÀÎÇØ º¸µµ·Ï ÇÏÀÚ.
¶ó¿ìÅÍA¿¡´Â ¶ó¿ìÅÍB¿Í IP Network Address 130.120.0.0À» °øÀ¯ÇÏ¿© RIPÀ¸·Î Á¤º¸¸¦ ±³È¯Çϴµ¥ ¶ó¿ìÅÍA¿Í B¸¦ ¿¬°áÇÏ´Â IP Network Address 130.120.0.0À» ¶ó¿ìÅÍA¿¡¼ ´ÙÀ½°ú °°ÀÌ »èÁ¦ÇØ º¸ÀÚ.
Router-A#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router-A(config)#router rip
Router-A(config-router)#no network 130.120.0.0
Router-A(config-router)#^Z
Router-A#exit
±×¸®°í ¶ó¿ìÅÍA¿Í ¶ó¿ìÅÍ B¿¡¼ ¾î¶² º¯È°¡ ÀÖ´ÂÁö È®ÀÎÇØ º¸ÀÚ. ¶ó¿ìÅÍA´Â ÀÌÁ¦ ¶ó¿ìÅÍB¿Í Routing InformationÀ» ÁÖ°í ¹ÞÁö ¾Ê°Ô µÊ¿¡ µû¶ó Àڽſ¡°Ô Á÷Á¢ Á¢¼ÓµÈ ³×Æ®¿÷¿¡ ´ëÇÑ Á¤º¸¸¸ °®°í ÀÖ´Ù.
Router-A#sh ip route
.....
130.100.0.0/16 is subnetted, 1 subnets
C 130.100.1.0 is directly connected, Ethernet1
C 130.120.0.0/16 is directly connected, Ethernet0
¶ó¿ìÅÍB´Â ¶ó¿ìÅÍA¿¡ Á¢¼ÓµÈ IP Network Address 130.100.0.0¿¡ ´ëÇÑ Á¤º¸¸¦ °®°í ÀÖÁö ¾Ê´Ù.
Router-B>sh ip route
..............
130.130.0.0 255.255.255.0 is subnetted, 2 subnets
C 130.130.1.0 is directly connected, Serial0
C 130.130.2.0 is directly connected, Serial1
R 130.140.0.0 [120/1] via 130.130.1.2, 00:00:20, Serial0
[120/1] via 130.130.2.2, 00:00:20, Serial1
R 130.150.0.0 [120/2] via 130.130.1.2, 00:00:20, Serial0
[120/2] via 130.130.2.2, 00:00:20, Serial1
C 130.120.0.0 is directly connected, Ethernet0
Router-B>
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