ÖÐÎÄ
ÖÐÎÄ
Ðû²¼Ê±¼ä£º2024-06-12
µã»÷Á¿£º780
RIP ÔڹرÕ×Ô¶¯»ã×ܵÄÇéÐÎÏ£¬£¬£¬ £¬£¬ £¬ £¬¿ÉÔÚí§Òâ·ÓÉÆ÷ÉϾÙÐÐ×Ô¶¯»ã×Ü£¬£¬£¬ £¬£¬ £¬ £¬ÇÒ×Ô¶¯»ã×ܺ󣬣¬£¬ £¬£¬ £¬ £¬ÏÂÓηÓÉÆ÷Ö»ÄܽÓÊܵ½»ã×Ü·ÓÉ£¬£¬£¬ £¬£¬ £¬ £¬ÎÞ·¨ÎüÊÕµ½Ã÷ϸ·ÓÉ¡£¡£¡£¡£¡£
ÉèÖÃÏÂÁ
ÔÚR1ÅþÁ¬R2½Ó¿ÚÉÏÉèÖûã×ÜÏÂÁî
interface gi 3/1/1
ip rip summary-adress 192.168.1.0 255.255.255.240
R2µÄ·ÓÉ±í£º
´ËʱR2Ö»ÊÕµ½»ã×Ü·ÓÉ£¬£¬£¬ £¬£¬ £¬ £¬Ã»ÓÐÃ÷ϸ·ÓÉÌõÄ¿
R 192.168.1.0/28 [120/1] via 9.9.13.3, 00:00:41, GigabitEthernet 4/1/0
ÁíÍ⣬£¬£¬ £¬£¬ £¬ £¬RIPµÄdatabaseÊý¾Ý¿âshow ip rip databaseÖÐÒ²ÊÇÖ»°üÀ¨ÁË»ã×ÜÌõÄ¿£¬£¬£¬ £¬£¬ £¬ £¬Ã»ÓаüÀ¨Ã÷ϸÌõÄ¿£º
192.168.1.0/28 [1] via 9.9.13.3 GigabitEthernet 4/1/0 00:25
˵Ã÷£º
1¡¢ ±ØÐèÒª¹Ø±Õ×Ô¶¯»ã×Üno auto-summary
2¡¢ »ã×Ü·ÓɵÄÑÚÂë±ØÐè´óÓÚ»ò¼´ÊÇÖ÷ÀàÍøÂçÑÚÂ룬£¬£¬ £¬£¬ £¬ £¬²»È»½«»áÌáÐÑ“»ã×ܵÄÑÚÂë±ØÐè´óÓÚ»ò¼´ÊÇÖ÷Àà”µÄ¹ýʧ
RSR50-X(config-if-GigabitEthernet 4/1/1)#ip rip summary-address192.168.0.0 255.255.0.0
% Summary mask must be greater orequal to major net
3¡¢ »ã×Ü¿ÉÒÔÔÚí§Òâһ̨·ÓÉÆ÷¾ÙÐУ¬£¬£¬ £¬£¬ £¬ £¬ÐèÒªÔÚ·ÓÉ·¢Ë͵ĽӿھÙÐС£¡£¡£¡£¡£
4¡¢ »ã×ܺ󣬣¬£¬ £¬£¬ £¬ £¬ÆäËû·ÓÉÆ÷Ö»»áÊÕµ½»ã×ܵÄ·ÓÉ£¬£¬£¬ £¬£¬ £¬ £¬²»»áÊÕµ½Ã÷ϸµÄ·ÓÉ¡£¡£¡£¡£¡£
5¡¢ Ö»ÓÐÍâµØ±£´æÓÐÃ÷ϸ·ÓɵÄÌõ¼þÏ£¬£¬£¬ £¬£¬ £¬ £¬²Å»ª´Ó×ö»ã×ܵĽӿڷ¢³ö»ã×Ü·ÓÉ£»£»£»£»£»Í¬Ê±Ö±µ½Ã÷ϸµÄ×îºóÒ»ÌõÏûÊÅ£¬£¬£¬ £¬£¬ £¬ £¬»ã×ܲŻáÏûÊÅ¡£¡£¡£¡£¡£
OSPF·ÓÉÐÒéÖ»Ö§³ÖÔÚABRºÍASBRÉÏ»ã×Ü£¬£¬£¬ £¬£¬ £¬ £¬ÏÂÃæ»®·ÖÕë¶ÔÁ½Àà¾ÙÐÐ˵Ã÷£º
1¡¢ÔÚABRÉϾÙÐлã×Ü
»ã×ÜÌõ¼þ£ºABR½öÔÚ½«1/2ÀàLSAת»»³É3Ààʱ(¿çareaʱ£©£¬£¬£¬ £¬£¬ £¬ £¬¿ÉÒÔ¶ÔLSA¾ÙÐлã×Üͨ¸æ
ÉèÖÃÏÂÁî
RSR50-X(config)#router ospf 1
RSR50-X(config-router)#area 0 range 192.168.0.0 255.255.0.0
·ÓɱíÏÔʾ£º
1) Ö´Ðлã×ܵÄABR·ÓÉÆ÷ÍâµØ·ÓÉ±í£ºÄ¬Èϱ¬·¢Ò»ÌõNull 0µÄ·ÓÉ
O 192.168.0.0/16[110/0] via 0.0.0.0, 00:00:12, Null 0
2) OSPFÁÚÈË·ÓɱíµÄ·ÓÉ±í£ºÖ»Óлã×Ü·ÓÉ£¬£¬£¬ £¬£¬ £¬ £¬²»°üÀ¨Ã÷ϸ·ÓÉ
O IA 192.168.0.0/16 [110/2] via9.9.12.1, 00:02:41, GigabitEthernet 0/1
3) OSPFÁÚÈ˵ÄdatabaseÒ²Ö»Óлã×ܺóµÄLSA£¬£¬£¬ £¬£¬ £¬ £¬²»°üÀ¨Ã÷ϸµÄLSA
SummaryLink States (Area 0.0.0.1)
LinkID ADV Router Age Seq# CkSum Route
192.168.0.0 172.18.157.157 367 0x80000001 0x20d8 192.168.0.0/16
˵Ã÷
1¡¢ »ã×ÜÏÂÁîºóÃæ²ÎÊýÚ¹ÊÍ
RSR50-X(config-router)#area 0 range 192.168.0.0 255.255.0.0 £¿£¿£¿ £¿£¿ £¿£¿
advertise Advertise this range (default) //Ö»»áͨ¸æ»ã×ܺó·ÓÉ£¨Ä¬ÈϲÎÊý£©
cost User specifiedmetric for this range
not-advertise DoNotAdvertise this range //»ã×Ü·ÓɺÍÃ÷ϸ·ÓɾùÇ·ºà¸æ£¬£¬£¬ £¬£¬ £¬ £¬¿ÉÒÔµÖ´ï·ÓɹýÂ˵ÄÄ¿µÄ
2¡¢ Ö»ÄÜÔÚABRÉÏ»ã×Ü1/2Ààת3ÀàµÄLSA
2¡¢ÔÚASBRÉÏ»ã×Ü
½«ÍⲿLSAͨ¸æµ½×ÔÖÎϵͳʱ£¬£¬£¬ £¬£¬ £¬ £¬ÔÚASBR·ÓÉÆ÷¿É¶ÔÍⲿLSA£¨5Ààor7Àࣩ¾ÙÐлã×Üͨ¸æ¡£¡£¡£¡£¡£
ÉèÖÃÏÂÁî
RSR50-X(config)#router ospf 1
RSR50-X(config-router)#redistribute static subnets
RSR50-X(config-router)#summary-address 172.18.0.0 255.255.0.0
·ÓÉÆ÷µÄ·ÓɱíÏÔʾ£º
1£© Ö´Ðлã×ܵÄASBR·ÓÉÆ÷·ÓÉ±í£ºÄ¬Èϱ¬·¢Ò»ÌõNull 0µÄ·ÓÉ
O 172.18.0.0/16[110/0] via 0.0.0.0, 00:00:12, Null 0
2£© OSPFÁÚÈË·ÓÉ±í£ºÖ»Óлã×ܵÄ·ÓÉ£¬£¬£¬ £¬£¬ £¬ £¬Ã»ÓÐÃ÷ϸ·ÓÉ
O IA 192.168.0.0/16 [110/2] via 9.9.12.1,00:02:41, GigabitEthernet 0/1
3£© OSPFÁÚÈ˵ÄdatabaseÒ²Ö»Óлã×ܺóµÄ£¬£¬£¬ £¬£¬ £¬ £¬²»°üÀ¨Ã÷ϸµÄLSA
AS External Link States
Link ID ADV Router Age Seq# CkSum Route Tag
172.18.0.0 192.168.1.2 406 0x80000001 0xeea4 E2172.18.0.0/16 0
˵Ã÷
1£© Ö»ÄÜÔÚASBRÉÏ»ã×ÜÍâµØ±¬·¢µÄ5Àà»òÕß7ÀàLSA£¬£¬£¬ £¬£¬ £¬ £¬²»¿É»ã×Üѧϰµ½µÄ5Àà»òÕß7ÀàLSA
2£© »ã×ÜÏÂÁîºóÃæ²ÎÊýÚ¹ÊÍ
RSR50-X(config-router)#summary-address 172.18.0.0 255.255.0.0 £¿£¿£¿ £¿£¿ £¿£¿
cost User specifiedmetric for this range
not-advertise DoNotAdvertise this range //»ã×Ü·ÓɺÍÃ÷ϸ·ÓɾùÇ·ºà¸æ£¬£¬£¬ £¬£¬ £¬ £¬¿ÉÒÔµÖ´ï·ÓɹýÂ˵ÄÄ¿µÄ
BGP·ÓÉ»ã×Ü·ÖΪÁ½ÖÖÒªÁ죺networkÍâµØÐû¸æÒÔ¼°aggregate-addressÍâµØ¾ÛºÏ£¬£¬£¬ £¬£¬ £¬ £¬ÏÖ»®·ÖÏÈÈÝÈçÏ£º
1¡¢networkÍâµØÐû¸æ
ͨ¹ýÍâµØ½á¹¹Ò»ÌõÖ¸ÏòNULL0µÄ»ã×ܾ²Ì¬Â·ÓÉ£¬£¬£¬ £¬£¬ £¬ £¬È»ºó½«¸Ã¾²Ì¬Â·ÓÉÔÚBGPÀú³ÌÖÐnetwork³öÈ¥¡£¡£¡£¡£¡£
ÉèÖÃÏÂÁî
ip route 30.0.0.0 255.0.0.0 Null 0
router bgp 1
network 30.0.0.0 mask 255.0.0.0
·ÓÉÆ÷µÄ·ÓɱíÏÔʾ£º
1£© Ö´ÐÐnetwork»ã×ܵÄBGP·ÓÉÆ÷µÄ·ÓÉ±í£¬£¬£¬ £¬£¬ £¬ £¬°üÀ¨µÖ´ïͨ¹ýÆäËûÐÒéѧϰµ½µÄµÖ´ïÄ¿µÄµÄÃ÷ϸ·ÓÉ£¬£¬£¬ £¬£¬ £¬ £¬ÒÔ¼°ÍâµØ³ö½Ó¿ÚΪNULL 0µÄ¾²Ì¬Â·ÓÉ
S 30.0.0.0/8 is directly connected, Null 0
O 30.30.30.30/32 [110/100] via 9.9.12.2, 1d,03:31:09, GigabitEthernet 4/1/4
2£© BGPÁÚÈË·ÓÉÆ÷£¬£¬£¬ £¬£¬ £¬ £¬Ö»°üÀ¨»ã×ܵÄ·ÓÉ
B 30.0.0.0/8 [200/0] via 9.9.13.1, 00:00:02
2¡¢aggregate-address¾ÛºÏÐÎʽ
ÔÚÍâµØBGP±íÖÐÒѾ±£´æÃ÷ϸµÄBGP·ÓÉÌõÄ¿µÄÌõ¼þÏ£¬£¬£¬ £¬£¬ £¬ £¬Í¨¹ýÔÚBGP·ÓÉÀú³ÌÖÐʹÓÃaggregate-addressÏÂÁî¾ÙÐзÓÉ»ã×Ü£¬£¬£¬ £¬£¬ £¬ £¬½ø¶øʵÏÖ½«»ã×Ü·ÓÉͨ¸æ³öÈ¥µÄÄ¿µÄ¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£
ÉèÖÃÏÂÁî
router bgp 1
neighbor 9.9.13.3 remote-as 1
aggregate-address 30.0.0.0 255.0.0.0 summary-only
redistribute ospf 111 match internal
·ÓÉÆ÷µÄ·ÓɱíÏÔʾ£º
1£© Ö´ÐÐaggregate»ã×ܵÄBGP·ÓÉÆ÷µÄ·Óɱíshow ip route£¬£¬£¬ £¬£¬ £¬ £¬»á×Ô¶¯ÌìÉúÒ»¸ö»ã×ܵÄÖ¸Ïònull 0 ¿Õ½Ó¿ÚµÄ·ÓÉ£¬£¬£¬ £¬£¬ £¬ £¬ÒÔ¼°µÖ´ïÄ¿µÄµÄÃ÷ϸ·ÓÉ
B 30.0.0.0/8 [200/0] via 0.0.0.0, 00:00:01, Null 0
O 30.30.30.30/32 [110/100] via 9.9.12.2, 1d,03:44:34, GigabitEthernet 4/1/4
2£© Ö´ÐÐaggregate»ã×ܵÄBGP·ÓÉÆ÷µÄBGP±íshow ip bgp£¬£¬£¬ £¬£¬ £¬ £¬Ã÷ϸ·Óɻᱻ±ê¼ÇΪs£¬£¬£¬ £¬£¬ £¬ £¬±»ÒÖÖƵģ¬£¬£¬ £¬£¬ £¬ £¬Ã÷ϸ²»»áת´ï¸øÁÚÈË£¨×¢ÖØ£ºÎÞÃ÷ϸ·ÓÉÊÇÓÉÓÚÉèÖÃÁËsummary-onlyÒªº¦×Öµ¼Ö£©
RSR50-X#sh ip bgp
Network Next Hop Metric LocPrf Weight Path
*> 30.0.0.0 0.0.0.0 32768 i
s> 30.30.30.30/32 9.9.12.2 100 32768 i
3£© BGPÁÚÈË·ÓÉÆ÷show ip route £¬£¬£¬ £¬£¬ £¬ £¬Ö»°üÀ¨»ã×ܵÄ·ÓÉ£¬£¬£¬ £¬£¬ £¬ £¬ÎÞÃ÷ϸ·ÓÉ£¨×¢ÖØ£ºÎÞÃ÷ϸ·ÓÉÊÇÓÉÓÚÉèÖÃÁËsummary-onlyÒªº¦×Öµ¼Ö£©
B 30.0.0.0/8 [200/0] via 9.9.13.1, 00:00:02
4£© BGPÁÚÈË·ÓÉÆ÷show ip bgp ±íÖУ¬£¬£¬ £¬£¬ £¬ £¬Ò²Ö»°üÀ¨»ã×ܵÄ·ÓÉ£¬£¬£¬ £¬£¬ £¬ £¬ÎÞÃ÷ϸ·ÓÉ
Network Next Hop Metric LocPrf Weight Path
*>i9.9.12.0/24 9.9.13.1 100 100 0 ?
*>i30.0.0.0 9.9.13.1 0 100 0 ?
˵Ã÷£º
1£© ʹÓÃaggregate-addressÏÂÁî»ã×ܵÄÌõ¼þÊǸ÷ÓÉÆ÷µÄBGP·Óɱí±ØÐèÒªÓжÔÓ¦µÄÃ÷ϸ·ÓÉ£¬£¬£¬ £¬£¬ £¬ £¬Òò´ËÐëҪʱÐèÒª½«ÆäËû·ÓÉÆ÷µÄÃ÷ϸ·ÓÉÖØÐÂÐû²¼µ½BGPÖУ¬£¬£¬ £¬£¬ £¬ £¬Ê¹ÓÃnetworkÒ²ÊÇ¿ÉÒԵġ£¡£¡£¡£¡£
2£© aggregate-address ÆäËûÏÂÁîÚ¹ÊÍ
RSR50-X(config-router)#aggregate-address 30.0.0.0 255.0.0.0 ?
as-set Generate AS set path information
summary-only Filter more specific routes from updates
<cr>
stake¹ÙÍø·ÓÉÆ÷Ö»Ö§³Ö2¸ö²ÎÊýas-setºÍsummary-only¡£¡£¡£¡£¡£
ÆäÖÐas-setµÄ¼ÄÒåΪ£º±£´æ¾ÛºÏµØÖ·ËùÓÐÃ÷ϸ·ÓɵĹæÄ£ÄÚ·¾¶µÄ AS ·¾¶ÐÅÏ¢£º
*>i172.16.0.0 9.9.13.1 0 100 0 {2,4} i
*>i172.16.1.0/24 9.9.12.2 0 100 0 2 i
*>i172.16.2.0/24 9.9.14.4 0 100 0 4 i
ÆäÖÐsummary-onlyµÄ¼ÄÒåΪֻÏòBGPÁÚÈËͨ¸æ»ã×Ü·ÓÉ£¬£¬£¬ £¬£¬ £¬ £¬Ç·ºà¸æÃ÷ϸ·ÓÉ¡£¡£¡£¡£¡£ÈôÊDz»¼Ósummary-only£¬£¬£¬ £¬£¬ £¬ £¬ÔòÃ÷ϸºÍ»ã×ܾù»áͨ¸æ¡£¡£¡£¡£¡£
ÎĵµÆÀ¼Û
