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CCIE路由实验(3)

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发表于 2015-5-25 13:40:24 | 显示全部楼层 |阅读模式
  当一个AS包含多个IBGP对等体时,路由反射器非常有用。因为IBGP客户只需要和路由反射器建立邻居关系,从而降低了IBGP的连接数量。路由反射器和它的客户合称为一个簇。路由反射是克服IBGP水平分割的重要手段。
RR的反射规则如下:
1.如果路由是从非客户的IBGP邻居学来的,则RR只将它反射给客户
2.如果路由是从客户学来的,RR会将它反射给所有的非客户和客户(除了发起该路由的客户)
3.如果路由是从EBGP邻居学来的,RR会将它反射给所有的非客户和客户
1.ORIGINATOR_ID: 由路由反射器生成,是本AS内路由创造者的路由器ID
2.CLUSTER_ID: 一个AS内的每个簇必须用一个唯一的4个字节的簇ID来标识,如果簇内只有一个RR,则簇ID就是RR的路由器ID。当RR收到一个更新消息的时候,它检查CLUSTER_LIST,如果发现在列表中有自己的簇ID,就知道出现了路由环路。
1.路由反射器
2.层次化的RR
3.BGP联邦
4.BGP团体属性Community
5.过滤私有AS号
6.BGP后门路由
7.BGP路由标记
  enable
conf t
no ip do lo
enable pass cisco
line con 0
logg sync
exec-t 0 0
exit
line vty 0 4
pass cisco
logg sync
exit
host
  1.路由反射器
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
R1:
int f0/0
ip add 12.1.1.1 255.255.255.0
no shut
exit
int l0
ip add 11.1.1.1 255.255.255.0
exit
router bgp 100
neighbor 12.1.1.2 remote-as 200
network 11.1.1.0 mask 255.255.255.0
exit
R2:
int f0/0
ip add 12.1.1.2 255.255.255.0
no shut
exit
int f1/0
ip add 23.1.1.2 255.255.255.0
no shut
exit
int l0
ip add 22.1.1.1 255.255.255.0
exit
router eigrp 1
no auto-summary
network 22.1.1.0 0.0.0.255
network 23.1.1.0 0.0.0.255
exit
router bgp 200
bgp router-id 22.1.1.1
neighbor 12.1.1.1 remote-as 100
neighbor 33.1.1.1 remote-as 200
neighbor 33.1.1.1 update-source l0
neighbor 33.1.1.1 next-hop-self
exit
R3:
int f0/0
ip add 23.1.1.3 255.255.255.0
no shut
exit
int f1/0
ip add 34.1.1.3 255.255.255.0
no shut
exit
int l0
ip add 33.1.1.1 255.255.255.0
exit
router eigrp 1
no auto-summary
network 23.1.1.0 0.0.0.255
network 33.1.1.0 0.0.0.255
network 34.1.1.0 0.0.0.255
exit
router bgp 200
bgp router-id 33.1.1.1
neighbor 22.1.1.1 remote-as 200
neighbor 22.1.1.1 update-source l0
neighbor 22.1.1.1 next-hop-self
neighbor 44.1.1.1 remote-as 200
neighbor 44.1.1.1 update-source l0
neighbor 44.1.1.1 next-hop-self
exit
R4:
int f0/0
ip add 34.1.1.4 255.255.255.0
no shut
exit
int l0
ip add 44.1.1.1 255.255.255.0
exit
router eigrp 1
no auto-summary
network 34.1.1.0 0.0.0.255
network 44.1.1.0 0.0.0.255
exit
router bgp 200
bgp router-id 44.1.1.1
neighbor 33.1.1.1 remote-as 200
neighbor 33.1.1.1 update-source l0
neighbor 33.1.1.1 next-hop-self
exit
----------------------------------------------
R3:
end
show ip bgp
show ip bgp neighbors 44.1.1.1 advertised-routes
conf t
router bgp 200
neighbor 44.1.1.1 route-reflector-client
neighbor 22.1.1.1 route-reflector-client
exit
end
show ip bgp
show ip bgp neighbors 44.1.1.1 advertised-routers
show ip bgp neighbors 44.1.1.1
show ip bgp 11.1.1.0
conf t
R4:
end
show ip bgp 11.1.1.0
conf t
R3:
router bgp 200
bgp cluster-id 3.3.3.3
R4:
end
show ip bgp 11.1.1.0
conf t
  2.层次化的RR
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
R1:
int f0/0
ip add 12.1.1.1 255.255.255.0
no shut
exit
int l0
ip add 11.1.1.1 255.255.255.0
exit
router bgp 100
neighbor 12.1.1.2 remote-as 200
network 11.1.1.0 mask 255.255.255.0
exit
R2:
int f0/0
ip add 12.1.1.2 255.255.255.0
no shut
exit
int f1/0
ip add 23.1.1.2 255.255.255.0
no shut
exit
int l0
ip add 22.1.1.1 255.255.255.0
exit
router eigrp 1
no auto-summary
network 22.1.1.0 0.0.0.255
network 23.1.1.0 0.0.0.255
exit
router bgp 200
bgp router-id 22.1.1.1
neighbor 12.1.1.1 remote-as 100
neighbor 33.1.1.1 remote-as 200
neighbor 33.1.1.1 update-source l0
neighbor 33.1.1.1 next-hop-self
exit
R3:
int f0/0
ip add 23.1.1.3 255.255.255.0
no shut
exit
int f1/0
ip add 34.1.1.3 255.255.255.0
no shut
exit
int l0
ip add 33.1.1.1 255.255.255.0
exit
router eigrp 1
no auto-summary
network 23.1.1.0 0.0.0.255
network 33.1.1.0 0.0.0.255
network 34.1.1.0 0.0.0.255
exit
router bgp 200
bgp router-id 33.1.1.1
neighbor 22.1.1.1 remote-as 200
neighbor 22.1.1.1 update-source l0
neighbor 22.1.1.1 next-hop-self
neighbor 44.1.1.1 remote-as 200
neighbor 44.1.1.1 update-source l0
neighbor 44.1.1.1 next-hop-self
exit
R4:
int f0/0
ip add 34.1.1.4 255.255.255.0
no shut
int f1/0
ip add 45.1.1.4 255.255.255.0
no shut
exit
int l0
ip add 44.1.1.1 255.255.255.0
exit
router eigrp 1
no auto-summary
network 34.1.1.0 0.0.0.255
network 44.1.1.0 0.0.0.255
network 45.1.1.0 0.0.0.255
exit
router bgp 200
bgp router-id 44.1.1.1
neighbor 33.1.1.1 remote-as 200
neighbor 33.1.1.1 update-source l0
neighbor 33.1.1.1 next-hop-self
neighbor 55.1.1.1 remote-as 200
neighbor 55.1.1.1 update-source l0
neighbor 55.1.1.1 next-hop-self
exit
R5:
int f0/0
ip add 45.1.1.5 255.255.255.0
no shut
int l0
ip add 55.1.1.1 255.255.255.0
exit
router eigrp 1
no auto-summary
network 45.1.1.0 0.0.0.255
network 55.1.1.0 0.0.0.255
exit
router bgp 200
bgp router-id 55.1.1.1
neighbor 44.1.1.1 remote-as 200
neighbor 44.1.1.1 update-source l0
neighbor 44.1.1.1 next-hop-self
exit
----------------------------------------------
R3:
router bgp 200
neighbor 44.1.1.1 route-reflector-client
neighbor 22.1.1.1 route-reflector-client
exit
R4:
router bgp 200
neighbor 55.1.1.1 route-reflector-client
exit
  3.BGP联邦
  IBGP邻居并不把路由信息从一个IBGP邻居传播给另一个IBGP邻居。如果全互联,这将产生一个规模与费用的问题。BGP联邦克服了IBGP引起的规模问题。把AS划分为多个子自治系统。但在联邦内部,仍然需要IBGP的full-mesh,或者在联邦内部使用RR。联邦之间的BGP连接就像一个EBGP对等体,但是他们在交换路由信息的时候,就如在使用IBGP,同时保留了下一跳、度量和本地优先级等属性。
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
R1:
int f0/0
ip add 12.1.1.1 255.255.255.0
no shut
exit
int l0
ip add 11.1.1.1 255.255.255.0
exit
router bgp 100
bgp router-id 11.1.1.1
neighbor 12.1.1.2 remote-as 200
network 11.1.1.0 mask 255.255.255.0
exit
R2:
int f0/0
ip add 12.1.1.2 255.255.255.0
no shut
exit
int f1/0
ip add 23.1.1.2 255.255.255.0
no shut
int f2/0
ip add 27.1.1.2 255.255.255.0
no shut
exit
int l0
ip add 22.1.1.1 255.255.255.0
exit
router eigrp 1
no auto-summary
network 22.1.1.0 0.0.0.255
network 23.1.1.0 0.0.0.255
network 27.1.1.0 0.0.0.255
exit
router bgp 65001
bgp router-id 22.1.1.1
bgp confederation identifier 200
bgp confederation peers 65002
neighbor 12.1.1.1 remote-as 100
neighbor 33.1.1.1 remote-as 65002
neighbor 33.1.1.1 update-source l0
neighbor 33.1.1.1 next-hop-self
neighbor 33.1.1.1 ebgp-multihop
neighbor 77.1.1.1 remote-as 65001
neighbor 77.1.1.1 update-source l0
neighbor 77.1.1.1 next-hop-self
exit
R3:
int f0/0
ip add 23.1.1.3 255.255.255.0
no shut
exit
int f1/0
ip add 34.1.1.3 255.255.255.0
no shut
exit
int l0
ip add 33.1.1.1 255.255.255.0
exit
router eigrp 1
no auto-summary
network 23.1.1.0 0.0.0.255
network 33.1.1.0 0.0.0.255
network 34.1.1.0 0.0.0.255
exit
router bgp 65002
bgp router-id 33.1.1.1
bgp confederation identifier 200
bgp confederation peers 65001
neighbor 22.1.1.1 remote-as 65001
neighbor 22.1.1.1 update-source l0
neighbor 22.1.1.1 ebgp-multihop
neighbor 44.1.1.1 remote-as 65002
neighbor 44.1.1.1 update-source l0
exit
R4:
int f0/0
ip add 34.1.1.4 255.255.255.0
no shut
int f1/0
ip add 45.1.1.4 255.255.255.0
no shut
exit
int l0
ip add 44.1.1.1 255.255.255.0
exit
router eigrp 1
no auto-summary
network 34.1.1.0 0.0.0.255
network 44.1.1.0 0.0.0.255
network 45.1.1.0 0.0.0.255
exit
router bgp 65002
bgp router-id 44.1.1.1
bgp confederation identifier 200
bgp confederation peers 65003
neighbor 33.1.1.1 remote-as 65002
neighbor 33.1.1.1 update-source l0
neighbor 55.1.1.1 remote-as 65003
neighbor 55.1.1.1 update-source l0
neighbor 55.1.1.1 ebgp-multihop
exit
R5:
int f0/0
ip add 45.1.1.5 255.255.255.0
no shut
int f1/0
ip add 56.1.1.5 255.255.255.0
no shut
int l0
ip add 55.1.1.1 255.255.255.0
exit
router eigrp 1
no auto-summary
network 45.1.1.0 0.0.0.255
network 55.1.1.0 0.0.0.255
network 56.1.1.0 0.0.0.255
exit
router bgp 65003
bgp router-id 55.1.1.1
bgp confederation identifier 200
bgp confederation peers 65002
neighbor 44.1.1.1 remote-as 65002
neighbor 44.1.1.1 update-source l0
neighbor 44.1.1.1 next-hop-self
neighbor 44.1.1.1 ebgp-multihop
neighbor 56.1.1.6 remote-as 300
exit
R6:
int f0/0
ip add 56.1.1.6 255.255.255.0
no shut
int l0
ip add 66.1.1.1 255.255.255.0
exit
router bgp 300
bgp router-id 66.1.1.1
neighbor 56.1.1.5 remote-as 200
exit
R7:
int f0/0
ip add 27.1.1.7 255.255.255.0
no shut
int l0
ip add 77.1.1.1 255.255.255.0
exit
router eigrp 1
no auto-summary
network 27.1.1.0 0.0.0.255
network 77.1.1.0 0.0.0.255
exit
router bgp 65001
bgp router-id 77.1.1.1
bgp confederation identifier 200
neighbor 22.1.1.1 remote-as 65001
neighbor 22.1.1.1 update-source l0
exit
----------------------------------------------
R2:
router bgp 65001
bgp default local-pre 200
exit
show ip bgp
show ip bgp 11.1.1.0
R3:
show ip bgp
R5:
show ip bgp
R6:
show ip bgp
  4.BGP团体属性Community
  Community主要用来控制路由的传播范围;
团体属性,也叫做共同体属性,是可选传递属性,可选意味着并不是所有的路由器都能识别这个团体属性;
团体属性类似于tag标记,它允许路由器能够使用一个指示符来标记路由,并且允许其它路由器根据这个标记做出相应的决定,可以简化策略的执行。它是Cisco的一个专有属性,现在在RFC1997中已被标准化;
一条路由可以设置多个团体属性,也就是说可以同时打上多个标记,还可以利用团体属性实现一些扩展的功能,比如在MPLS-VPN中RT属性;
默认情况下团体属性不会传递给邻居,必须有以下命令才行:neighbor 1.1.1.1 send-community;团体属性只会传给指定的邻居,并且只在该邻居上生效
Community值可以自己定义,此外有几个已经定义好的团体属性:
NO_ADVERTISE:携带该值的路由不能公布给EBGP和IBGP邻居
NO_EXPORT:携带该值的路由公布给任何真正的EBGP对等体
LOCAL_AS:携带该值的路由不能公布给任何EBGP对等体,包括联邦内部子系统EBGP对等体
R1:
int l100
ip add 100.1.1.1 255.255.255.0
exit
router bgp 100
network 100.1.1.0 mask 255.255.255.0
exit
ip prefix-list 100.1 permit 100.1.1.0/24
route-map COMMUNITY permit 10
match ip add prefix-list 100.1
set community local-as
exit
route-map COMMUNITY permit 9999
exit
router bgp 100
neighbor 12.1.1.2 route-map COMMUNITY out
neighbor 12.1.1.2 send-community
exit
R2:
show ip bgp 100.1.1.0
R3/R7:
show ip bgp
-------------------------------------------------------
R1:
int l101
ip add 101.1.1.1 255.255.255.0
exit
router bgp 100
network 101.1.1.0 mask 255.255.255.0
exit
ip prefix-list 101.1 permit 101.1.1.0/24
route-map COMMUNITY permit 20
match ip add prefix-list 101.1
set community no-advertise
exit
clear ip bgp * soft out
R2:
show ip bgp 101.1.1.0
R3/R7:
show ip bgp
----------------------------------------------------------
R2:
int l200
ip add 200.1.1.1 255.255.255.0
exit
route-map NO-EXPORT permit 10
set community no-export
exit
router bgp 65001
network 200.1.1.0 mask 255.255.255.0 route-map NO-EXPORT
exit
show ip bgp 200.1.1.0
ip prefix-list 101.1 permit 101.1.1.0/24
route-map COMMUNITY permit 20
match ip add prefix-list 101.1
set community no-advertise
exit
R1/R3/R7:
show ip bgp
  5.过滤私有AS号
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
  R1:
int f0/0
ip add 12.1.1.1 255.255.255.0
no shut
exit
int l0
ip add 11.1.1.1 255.255.255.0
exit
router bgp 65000
router-id 11.1.1.1
neighbor 12.1.1.2 remote-as 100
network 11.1.1.0 mask 255.255.255.0
exit
R2:
int f0/0
ip add 12.1.1.2 255.255.255.0
no shut
exit
int f1/0
ip add 23.1.1.2 255.255.255.0
no shut
exit
int l0
ip add 22.1.1.1 255.255.255.0
exit
router eigrp 1
no auto-summary
network 23.1.1.0 0.0.0.255
network 22.1.1.0 0.0.0.255
exit
router bgp 100
bgp router-id 22.1.1.1
neighbor 33.1.1.1 remote-as 100
neighbor 33.1.1.1 update-source l0
neighbor 33.1.1.1 next-hop-self
neighbor 12.1.1.1 remote-as 65000
exit
R3:
int f0/0
ip add 34.1.1.3 255.255.255.0
no shut
exit
int f1/0
ip add 23.1.1.3 255.255.255.0
no shut
exit
int l0
ip add 33.1.1.1 255.255.255.0
exit
router eigrp 1
no auto-summary
network 23.1.1.0 0.0.0.255
network 33.1.1.0 0.0.0.255
exit
router bgp 100
bgp router-id 33.1.1.1
neighbor 22.1.1.1 remote-as 100
neighbor 22.1.1.1 update-source l0
neighbor 22.1.1.1 next-hop-self
neighbor 34.1.1.4 remote-as 200
exit
R4:
int f0/0
ip add 34.1.1.4 255.255.255.0
no shut
exit
int l0
ip add 44.1.1.1 255.255.255.0
exit
router bgp 200
bgp router-id 44.1.1.1
neighbor 34.1.1.3 remote-as 100
exit
R4:
show ip bgp
R3:
router bgp 100
neighbor 34.1.1.4 remove-private-as
exit
R4:
clear ip bgp * in
show ip bgp
  
6.BGP后门路由
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
  R1:
int f1/0
ip add 12.1.1.1 255.255.255.0
no shut
exit
int s0/0
ip add 13.1.1.1 255.255.255.0
no shut
exit
router ospf 1
router-id 11.1.1.1
network 12.1.1.0 0.0.0.255 area 0
exit
router bgp 100
bgp router-id 11.1.1.1
neighbor 13.1.1.3 remote-as 300
exit
R2:
int f1/0
ip add 12.1.1.2 255.255.255.0
no shut
exit
int s0/0
ip add 23.1.1.2 255.255.255.0
no shut
exit
router ospf 1
router-id 22.1.1.1
network 12.1.1.0 0.0.0.255 area 0
exit
router bgp 200
bgp router-id 22.1.1.1
neighbor 23.1.1.3 remote-as 300
exit
R3:
int s0/0
ip add 13.1.1.3 255.255.255.0
no shut
exit
int s0/1
ip add 23.1.1.3 255.255.255.0
no shut
exit
router bgp 300
bgp router-id 33.1.1.1
neighbor 13.1.1.1 remote-as 100
neighbor 23.1.1.2 remote-as 200
exit
  R1:
int l0
ip add 11.1.1.1 255.255.255.0
exit
router ospf 1
network 11.1.1.0 0.0.0.255 area 0
exit
int l0
ip ospf network point-to-point
exit
R2:
show ip route
  
R1:
router bgp 100
network 11.1.1.0 mask 255.255.255.0
exit
R2:
show ip route
以上表示当11.1.1.0/24这条路由同时从EBGP邻居和OSPF邻居学习到的时候,会选择从BGP邻居学习到的路由,因为EBGP路由的AD值为20.
要想让R2优选从OSPF学习的路由,需要在R2上做BGP后门路由配置。
R2:
router bgp 200
network 11.1.1.0 mask 255.255.255.0 backdoor
exit
show ip route
int f1/0
shutdown
exit
show ip route
  
7.BGP路由标记
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
  R1:
int f0/0
ip add 12.1.1.1 255.255.255.0
no shut
exit
router bgp 100
bgp router-id 11.1.1.1
neighbor 12.1.1.2 remote-as 300
exit
R2:
int f0/0
ip add 12.1.1.2 255.255.255.0
no shut
exit
int f1/0
ip add 23.1.1.2 255.255.255.0
no shut
exit
router ospf 1
router-id 22.1.1.1
network 23.1.1.0 0.0.0.255 area 0
exit
router bgp 300
bgp router-id 22.1.1.1
neighbor 12.1.1.1 remote-as 100
exit
R3:
int f1/0
ip add 23.1.1.3 255.255.255.0
no shut
exit
int f0/0
ip add 34.1.1.3 255.255.255.0
no shut
exit
router ospf 1
router-id 33.1.1.1
network 23.1.1.0 0.0.0.255 area 0
exit
router bgp 300
bgp router-id 33.1.1.1
neighbor 34.1.1.4 remote-as 200
exit
R4:
int f0/0
ip add 34.1.1.4 255.255.255.0
no shut
exit
router bgp 200
bgp router-id 44.1.1.1
neighbor 34.1.1.3 remote-as 300
exit
R1:
int l0
ip add 11.1.1.1 255.255.255.0
exit
router bgp 100
network 11.1.1.0 mask 255.255.255.0
exit
默认情况下R4不能学到此路由,因为R2与R3之间并没有BGP邻居关系,需要在OSPF之间进行重分布才能学到。
R2:
router ospf 1
redistribute bgp 300 subnets
exit
R3:
router bgp 300
redistribute ospf 1 match external 2
exit
R4:
show ip bgp
能够看到11.1.1.0/24这条路由,但是不能看到这条路由的起源AS号100.产生此问题的原因是该路由被R3学到之前已经过了OSPF区域的重发布,而OSPF协议是无法理解AS路径属性的。解决的办法是在R2上从BGP向OSPF发布路由时利用route-map将AS路径属性转为路由标记,这样就可以携带在OSPF路由中,然后在R3上从OSPF发布回BGP时,再次利用route-map,将路由标记转回AS路径属性。
R2:
route-map TAG permit 10
set automatic-tag
exit
router bgp 300
table-map TAG
exit
R3:
route-map TAG permit 10
set as-path tag
exit
router bgp 300
redistribute ospf 1 route-map TAG
exit
R4:
show ip bgp
  

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