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[Á¤¸®³ëÆ®] Redistribute
ANTON  2009-06-22 21:44:18, Á¶È¸ : 419, Ãßõ : 40

Á÷Á¢ Á¢¼ÓµÈ ³×Æ®¿öÅ©ÀÇ ÀçºÐ¹è
¶ó¿ìÆà ÇÁ·ÎÅäÄÝ¿¡¼­ network ¸í·É¾î ´ë½Å »ç¿ë
OSPF¿¡¼­ ·çÇÁ¹é ÀÎÅÍÆäÀ̽º¸¦ host route¾Æ´Ñ °ÍÀ¸·Î ±¤°íÇϱâ À§Çؼ­ ÀçºÐ¹è¸¦ »ç¿ëÇϱ⵵
R#redistribute connected subnets
ƯÁ¤ ÀÎÅÍÆäÀ̽º¸¸ ÀçºÐ¹è ½Ã ·çÆ®¸ÊÀ» »ç¿ëÇÑ´Ù.
R#route-map only_lo0
map#match interface loopback 0
R#redistribute connected subnets route-map only_lo0

Á¤Àû °æ·ÎÀÇ ÀçºÐ¹è
C#ip route 1.1.4.0 255.255.255.0 1.1.34.4
R#redistribute static

RIP°ú ÀçºÐ¹è
Redistribute ½Ã metric ºÎ¿©. ÃÖ´ë È© 15
R#redistribute eigrp 1 metric 2

EIGRP¿Í ÀçºÐ¹è
Redistribute ½Ã metric ºÎ¿©. Bandwidth delay reliability load mtu
R#redistribute ospf 1 metric 1544 2000 255 1 1500
EIGRP AD 90, 170 ¿ÜºÎ ·çÆ®¿¡ ´ëÇÏ¿© ÀÚµ¿ ¼­¸Ó¸® ÇÏÁö ¾Ê´Â´Ù.

OSPF·ÎÀÇ ÀçºÐ¹è
R#redistribute eigrp 1 ?
Metric  ÀçºÐ¹è ½Ã Ãʱ⠸ÞÆ®¸¯ °ª ºÎ¿©. µðÆúÆ®·Î 20. BGP´Â 1. µðÆúÆ®·çÆ®ÀÇ ¸ÞÆ®¸¯ 1
Metric-type  ÀçºÐ¹èµÇ´Â ³×Æ®¿öÅ© Á¾·ù ÁöÁ¤. ±âº»°ªÀº 2. 1°ú 2ÀÇ Â÷ÀÌ´Â ¸ÞÆ®¸¯ °ª
Subnet  ¼­ºê³ÝÆÃµÈ ³×Æ®¿öÅ©ÀÇ ÀçºÐ¹è
R#redistribute connected subnets metric-type 1

OSPF·Î ºÎÅÍÀÇ ÀçºÐ¹è
OSPF¸¦ Ÿ ¶ó¿ìÆà ÇÁ·ÎÅäÄÝ¿¡ ¹èºÐ¹è ½Ã OSPFÀÇ °æ·Î Á¾·ùº°·Î ¼±ÅÃÇؼ­ ÇÊ¿äÇÑ °Í¸¸ Àü´Þ ÇÒ ¼ö ÀÖ´Ù.
R#redistribute ospf 1 match
OSPF¿Í BGPÀÇ ÀçºÐ¹è
BGP·Î ÀçºÐ¹è½Ã match ¿É¼ÇÀ» »ý·«Çϸé redistribute ospf 1 internal ¸í·É¾î¿Í °°À½. ±×·¡¼­ match ¿É¼ÇÀ» ÀÌ¿ëÇØ ¸í½ÃÇØ¾ß ÇÔ.
R#redistribute ospf 1 match internal external nssa-external

BGP·ÎÀÇ ÀçºÐ¹è
ÀçºÐ¹è ½Ã ÇØ´ç ³×Æ®¿öÅ© ¸ÞÆ®¸¯ °ªÀÌ BGPÀÇ MED °ªÀÌ µÈ´Ù.

¼¼ °³ ÀÌ»óÀÇ ÇÁ·ÎÅäÄÝÀ» ÀçºÐ¹èÇÏ´Â °æ¿ì
ÇϳªÀÇ ÇÁ·ÎÅäÄÝÀ» ÀçºÐ¹è¹Þ¾Æ µ¿ÀÏ ¶ó¿ìÅÍ¿¡¼­ ´Ù½Ã ´Ù¸¥ ¶ó¿ìÆà ÇÁ·ÎÅäÄݷδ ÀçºÐ¹èµÇÁö ¾Ê´Â´Ù. À̸¦ ÇØ°áÇϱâ À§Çؼ­ ÇÑ ¶ó¿ìÅÍ¿¡¼­ °¢°¢ÀÇ ¶ó¿ìÆà ÇÁ·ÎÅäÄÝ·Î ÀçºÐ¹è ÇØ¾ß ÇÑ´Ù.

ÀçºÐ¹è ³×Æ®¿öÅ© Â÷´Ü
1) Á¶Á¤ ´ë»óÀÌ µÇ´Â ³×Æ®¿öÅ©¸¦ ¼±ÅÃÇÑ´Ù.
- ÇÁ¸®ÇȽº³ª ¿¢¼¼½º ¸®½ºÆ® »ç¿ë
- ³×Æ®¿öÅ© Á¾·áº° ±¸ºÐ ¼±ÅÃ
- ¶ó¿ìÆà Á¤º¸¿¡ Æ÷ÇÔµÈ ²¿¸®Ç¥ (tag) »ç¿ë
- ¶ó¿ìÆà Á¤º¸¸¦ Àü¼ÛÇÏ´Â ¶ó¿ìÅͺ°, ³×Æ®¿öÅ©º°·Î Á¶Á¤ ´ë»ó ³×Æ®¿öÅ©¸¦ ¼±ÅÃ
2) Á¶Á¤ µµ±¸¸¦ »ç¿ëÇÏ¿© Á¶Á¤
Á¶Á¤ ³»¿ë ´ë»ó ÁöÁ¤ ¹æ¹ý ¸í·É¾î
³×Æ®¿öÅ© Â÷´Ü ³×Æ®¿öÅ© ÁÖ¼Ò
³×Æ®¿öÅ© Á¾·ù
²¿¸®Ç¥ Distribute-list
Route-map
AD Á¶Á¤ ³×Æ®¿öÅ© ÁÖ¼Ò
³×Æ®¿öÅ© Á¾·ù
¼Û½Å ¶ó¿ìÅÍ Distance
Ãʱ⠸ÞÆ®¸¯ Á¶Á¤ ³×Æ®¿öÅ© ÁÖ¼Ò
³×Æ®¿öÅ© Á¾·ù
²¿¸®Ç¥
¶ó¿ìÆà ÇÁ·ÎÅäÄÝ Metric ¶Ç´Â default-metric route-map

ÀÎÅÍÆäÀ̽º¿¡¼­ÀÇ ¼ö½Å ³×Æ®¿öÅ© Â÷´Ü
- ACL, prefix-list
ÀÎÅÍÆäÀ̽º¿¡¼­ÀÇ ¼Û½Å ³×Æ®¿öÅ© Â÷´Ü
- RIP, EIGRP µî°ú ´Þ¸® OSPF¿¡¼­´Â ¶ó¿ìÆà Á¤º¸¸¦ ÀÎÅÍÆäÀ̽º¿¡¼­ ³ª°¥ ¶§ Â÷´Ü ÇÒ ¼ö ¾ø´Ù.
¶ó¿ìÆà ÇÁ·Î¼¼½º°£ ³×Æ®¿öÅ© Â÷´Ü
Redistribute ½Ã ·çÆ®¸ÊÀ» »ç¿ëÇÏ¿© ÇØ´ç ³×Æ®¿öÅ©¸¦ ÇÁ·Î¼¼¼­¿¡ ³ÖÁö ¾ÊÀ½
C#route-map MAP1
map#match ip address prefix-list Block_R1
R#redistribute eigrp 1 route-map MAP1

·çÆ®¸Ê°ú ű׸¦ »ç¿ëÇÏ¿© ³×Æ®¿öÅ© Â÷´Ü
C#route-map ADD_TAG
map#set tag 1
R#redistribute ospf 1 route-map ADD_TAG metric 1544 2000 255 1 1500

C#route-map NO_TAG_ONLY deny 10
map#match tag 1
C#route-map NO_TAG_ONLY permit 20
R#redistribute eigrp 1 metric 2 route-map NO_TAG_ONLY

·çÆ®¸Ê°ú ³×Æ®¿öÅ© Á¾·ù¸¦ »ç¿ëÇÏ¿© ³×Æ®¿öÅ©¸¦ Â÷´Ü
·çÆ®¸ÊÀ» »ç¿ëÇÏ¿© ¿ÜºÎ ¶Ç´Â ³»ºÎ ³×Æ®¿öÅ©¸¦ ÁöÁ¤ÇÏ¿© Â÷´Ü
map#match route-type external ?

½ºÇø´ È£¶óÀÌÁðÀ» ÀÌ¿ëÇÑ ³×Æ®¿öÅ© Â÷´Ü

ÀçºÐ¹è AD Á¶¼º
RIP AD Á¶Á¤
´ëü °æ·Î°¡ ÀÖ´Â °æ¿ì¿¡´Â ³×Æ®¿öÅ© Â÷´Ü º¸´Ù´Â AD Á¶Á¤ ¹æ¹ýÀ» ¸¹ÀÌ »ç¿ë
R#distance 220 1.1.34.4 0.0.0.0 R1_NETWORK

EIGRP AD Á¶Á¤
R#distance eigrp 90 112

OSPF AD Á¶Á¤
R#distance ospf ?  ³×Æ®¿öÅ© type º° AD Á¶Á¤
¸Áµµ º¸±â

Ãʱ⠸ÞÆ®¸¯ Á¶Á¤
RIPÀÇ Ãʱ⠸ÞÆ®¸¯ Á¶Á¤
C#ip prefix-list R2 permit 1.1.2.0/24
C#ip prefix-list R2 permit 1.1.12.0/24
C#route-map Adjust_Metric
map#match ip address prefix R2
map#set metric 1
C#route-map Adjust_Metric 20
R#redistribute ospf 1 metric 2 route-map Adjust_Metric

OSPFÀÇ Ãʱ⠸ÞÆ®¸¯ Á¶Á¤
C#ip prefix-list R2_R4 permit 2.2.24.0/24
C#route-map Metric_R2_R4
map#match ip address prefix R2_R4
map#set metric 10
C#route-map Metric_R2_R4 20
R#redistribute rip subnets route-map Metric_R2_R4


PBR ¼³Á¤
±âº»ÀûÀÎ PBR ¼³Á¤
C#ip access-list extended FROM-R1-TO-R4
acl#permit ip host 1.1.1.1 host 1.1.4.4
C#route-map PBR-FROM-R1-TO-R4
map#match ip address FROM-R1-TO-R4
map#set ip next-hop 1.1.23.3
if#ip policy route-map PBR-FROM-R1-TO-R4

#debug ip policy

PBR º¸´Ù ÀÏ¹Ý ¶ó¿ìÆÃÀ» ¿ì¼±½ÃÅ°±â
map#set ip default next-hop 1.1.23.3

PBR ºÎÇÏ ºÐ»ê
C#ip access-list extended TO-1.1.4.4
acl#permit ip host 1.1.1.1 host 1.1.4.4
C#route-map PBR-LOAD-BALANCER-2
map#match ip address TO-1.1.4.4
map#set ip next-hop recursive 1.1.3.3
if#ip policy route-map PBR-LOAD-BALANCER-2

PBRÀ» ÀÌ¿ëÇÑ IP ÇÁ¸®½Ã´ø½º ¼³Á¤
¼³Á¤µÈ ÆÐŶÀÌ Àü¼ÛµÇ´Â ÀÎÅÍÆäÀ̽º±îÁö ÁöÁ¤
C#route-map SET-PREC-FOR-VOIP
map#match length 20 100
map#set ip precedence 5
map#set interface s0.23
if#ip policy route-map SET-PREC-FOR-VOIP



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