ANTON
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2009-06-23 09:46:22, Á¶È¸ : 304, Ãßõ : 36 |
OSPF
COST = 10^8 / Bandwidth
DISTANCE VECTOR = ƯÁ¤¸ñÀûÁö¿¡ ´õÁÁÀº Á¶°ÇÀÌ À־ ÇϳªÀÇ °æ·Î¸¸ ¾Ë·ÁÁØ´Ù.
LINKSTATE (OSPF) = °¡Áö°íÀÖ´Â ¸ðµç Á¤º¸¸¦ »ó¼¼ ÇÏ°Ô ¾Ë·ÁÁØ´Ù LINKSTATE´Â ÀÚ½ÅÀÇ °æ·Î Á¤º¸¸¦ °¢ ¶ó¿ìÅÍ¿¡°Ô ¾Ë·ÁÁÖ´Â°Ô ¿ì¼±ÀÌ´Ù.
BroadCast-Multicast (BMA) - Ethernet
Point-To-Point (DR/BDR) ¼±ÃâÇÏÁö ¾Ê´Â´Ù.
Non Broadcast Multicast -Frame Relay ¹æ½Ä¿¡¼ »ç¿ëÇϸç DR/BDR¼±Ãâ ÇÑ´Ù.
OSPF´Â LSA 224.0.0.5·Î »Ñ¸°´Ù - ÀÌ°ÍÀº ´Ù µé¾î¶ó´Â ¶æ
OSPF´Â LSA 224.0.0.6À¸·Î »Ñ¸°´Ù. - ÀÌ°ÍÀº DR¸¸ µé¾î¶ó´Â ¶æÀÌ´Ù.
STANDARD AREA Å«³×Æ®¿÷
1/2 = O - OSPF
3/4 = OIA - OSPF inter area
5 = E1 - OSPF external type 1
E2 - OSPF external type 2
STUB AREA ÀÛÀº³×Æ®¿÷ - ASBRÀº Á¸Àç ÇÏÁö ¾ÊÀ¸¸ç ´ÜÀÏ ¶ó¿ìÅ͸¸ Á¸Àç
1/2 = O - OSPF
3/4 = OIA - OSPF inter area
O*IA 0.0.0.0
TYPE5´Â °Å·¡ÇÏÁö ¾Ê´Â´Ù.
¸í·É : AREA 12 STUB
°³³äÁ¤¸® : STUB AREA ´Â TYPE5¸¦ Á¦¿ÜÇÑ ¸ðµç LSAÁ¤º¸¸¦ ¼ö½ÅÇÑ´Ù.
¶ÇÇÑ TYPE 5´ë½Å DEFAULT ROUTE¸¦ ¼ö½ÅÇÑ´Ù.
TOTALLY STUBBY ¸Å¿ìÀÛÀº ³×Æ®¿÷ - ASBRÀº Á¸Àç ÇÏÁö ¾ÊÀ¸¸ç ´ÜÀÏ ¶ó¿ìÅ͸¸ Á¸Àç
1/2 = O - OSPF
3/4/5 ´Â °Å·¡ÇÏÁö ¾Ê´Â´Ù ´Ü
Area 12 stub no-summary Çϸé
O*IA 0.0.0.0 ÀÌ Ç¥½ÃµÈ´Ù
¸í·É : AREA 12 STUB NO-SUMMARY
°³³äÁ¤¸® : TOTALLY STUB AREA´Â TYPE 3/5´ë½Å DEFAULT ROUTE¸¦ ¼ö½ÅÇÑ´Ù.
NSSA (NOT-SO-STUB-AREA)
1/2 = O - OSPF
3/4 = OIA - OSPF inter area
5´Â °Å·¡ÇÏÁö ¾Ê´Â´Ù. ´ÜÁö ¼±ÅÃÀÏ»Ó default-information-originate
¸í·É: AREA 12 NSSA NO-SUMMARY
°³³äÁ¤¸® : ±âº»¼º°ÝÀº,STUB/TOTALLY STUB¿Í ¼º°ÝÀÌ °ÅÀÇ °°°í ASBR AREA ³»¿¡ µÑ¼ö Àִٴ Ư¡ÀÌ ÀÖ´Ù
TNSSA
1/2 = O - OSPF
3/4/5 °Å·¡ÇÏÁö ¾Ê´Â´Ù. ´Ü O*IA 0.0.0.0 Àº°Å·¡ÇÑ´Ù.
N1 - OSPF NSSA external type 1
N2 - OSPF NSSA external type 2
E1 - OSPF external type 1
E2 - OSPF external type 2
¸í·É: AREA 12 NSSA
°³³äÁ¤¸® : NSSA´Â ´Ù¸¥ AREA¿¡¼ Àü´ÞµÇ´Â ¿ÜºÎ°æ·Î (TYPE5)¿¡ ´ëÇÑ DEFAULT°æ·Î¸¦ ¹ÞÁö¾Ê´Â´Ù,¹Ý¸é
TOTALLY NSSA´Â ´Ù¸¥ AREA¿¡¼ Àü´ÞµÇ´Â ¿ÜºÎ °æ·Î¿¡ ´ëÇØ DEFAULT °æ·Î¸¦ ¼ö½ÅÇÑ´Ù.
ASBRÀÌ °¡´ÉÇÑ°¡ ¾Æ´Ñ°¡¿¡ µû¶ó
NSSA = STUB
TNSSA = TSTUB
NO-REDISTRIBUTION - ÀÚ½ÅÀÌ Àç ºÐ¹èÇÏ´Â Á¤º¸¸¦ ÁÖÁö ¸¶¶ó
KEYPOINT - I 224.0.0.6À¸·Î ÀüÆÄÇضó Çϸé DROTHER·Î ÀüÆÄÇ϶ó´Â ¶æÀÌ´Ù.
KEYPOINT - II
Æļ£ ¸Þ½¬´Â Ç×»ó Hub ¶ó¿ìÅÍ°¡ DRÀÌ µÇ¾î¾ß ÇÑ´Ù.
OSPF¿¡¼´Â EX ¸ðµç Loopback´Â 32BitÀÌ´Ù ÀÌ°ÍÀ» 24Bit·Î ¼ÓÀ̰Ŷó Çϸé
¹æ¹ý1 -> IP ospf network Point-to-Point ¶Ç´Â
¹æ¹ý2 -> redistribute Connected subnets metric 100 route-map loop0
¹æ¹ý3 -> Router ospf1 => area 0 range 1.1.2.0 255.255.255.0
ROUTER TYPE
INTERNAL ROUTER : ƯÁ¤ AREA³»¿¡ Æ÷ÇÔµÈ ¶ó¿ìÅÍ
ABR=Backbone router ÄÑÀÖ´Ù°í Çؼ ¹«Á¶°Ç ABRÀÌ ¾Æ´Ï´Ù ¹Ýµå½Ã BACKBONE¸¦ °¡Áø¶ó¿ìÅÍ¿¡ À§Ä¡ ÇØ¾ß ÇÑ´Ù.
ASBR= (¿ÜºÎ °æ·Î Á¤º¸¸¦ ¼öÇàÇÏ´Â ¶ó¿ìÅÍÀ̸ç ÀϹÝÀûÀ¸·Î Standard Area ³»ºÎ¿¡¼¸¸ µ¿ÀÛÇÑ´Ù.
¿ÜºÎ °æ·Î Á¤º¸¸¦ ÀüÆÄÇÏ´Â ±â´ÉÀ» Á¦°øÇϹǷΠASBRÀÌ ¼öÇàµÇ´Â ¶ó¿ìÅÍ´Â ´Ù¸¥ Routing Domain¿¡
¿¬°áµÈ °æ¿ì°¡ ´ëºÎºÐÀÌ´Ù. ASBRÀº ³»ºÎÀûÀ¸·Î ´Ù¸¥ ¶ó¿ìÆà µµ¸ÞÀÎÀÇ Á¤º¸¸¦ RedistributionÀ» ÅëÇØ
OSPF NetworkÀ» ÀüÆÄÇÑ´Ù.
BACKBONE : AREA0¿¡ Æ÷ÇÔµÈ ¸ðµç ¶ó¿ìÅ͸¦ ¸»ÇÑ´Ù.
TYPE1/2 : °°Àº Area ³»¿¡¼¸¸ ±³È¯µÈ´Ù. (O·ÎÇ¥½Ã) ³»ºÎ³×Æ®¿÷ °æ·Î Á¤º¸
TYPE3/4 : ¼·Î´Ù¸¥ Areaµé »çÀÌ¿¡¼ ±³È¯µÈ´Ù. (OIA)
TYPE 5 : ASBRÀÌ NON-OSPF NETWORK Á¤º¸¸¦ ÀüÆÄÇÒ ¶§ »ç¿ëÇÑ´Ù. (OE2)
TYPE 7 : ON2
AREA TYPE
BACKBONE AREA : AREA 0 ¸¦ ÀǹÌ
STANDARD AREA : AREA0¿¡ ¹°¸®ÀûÀ¸·Î ÀÎÁ¢ÇÑ Ç¥ÁØ AREA¸¦ ÀǹÌÇÑ´Ù.
STUB AREA : ¿ÜºÎ°æ·Î Á¤º¸¸¦ DEFAULT·Î ¹Þ¾ÆµéÀÌ´Â AREA¸¦ ÀÇ¹Ì ÇÑ´Ù.
KEYPOINT -3 ¿¡¼ Á¶½É
INTRA-AREA = 1/2
INTER-AREA = 1/4
OSPF EXT = 5/7
OSPF AUTHENTICATION
ip ospf authentication
ip ospf authentication-key ccie
default route
O*IA 0.0.0.0
O*N2 0.0.0.0
O*E2 0.0.0.0 - default-information originate <-IGP¶ó¿ìÆà Table ¸¦ µÚÁ®ºÁ¼ ÀÖÀ¸¸é ¹«Á¶°Ç Àü´ÞÇÏ°Ú´Ù. ¿©±â¼
always <--- ÀüºÎ Àü´ÞÇÏ°Ú´Ù.
EIGRP
OSPF¿¡ ºñÇØ ¼ø¹ß·ÂÀÌ ÁÁ´Ù.
101 PAGEÂüÁ¶
distribute-list
redistribute
(Metric°ªÀº »ó´ë¹æÀÇ native metricº¸´Ù Å©°ÔÁà¶ó)
RIP
redistribute ospf 1 metric 3
OSPF
redistribute bgp 10 subnets metric 3 (ºÎ¼ö¿É¼Ç metric-type 1 or 2)
EIGRP
redistribute ospf metric B D 255 1 1500 (¿©±â¼ 255/1/1500Àº DefaultÀÌ´Ù.)
¿©±â¼ Bandwidth¸¦ ³ÖÀ»¶§´Â 10À¸·Î ³ª´²¶ó
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