ISIS+BGP
原作者：枫叶
http://blog.sina.com.cn/s/blog_5349d9b80100akp1.html
拓扑：
R5/AS10-------10.10.9.0/24-----R3/AS100-
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--10.10.10.0/24------R1/AS100
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R4/AS20-------10.10.12.0/24-----R2/AS100----10.10.11.0/24--
R1， R2， R3运行BGP，ISIS
R4, R5运行BGP
R1
interface Loopback0 ip address 1.1.1.1 255.255.255.0 ip router isis test ! interface FastEthernet0/0 ip address 10.10.11.1 255.255.255.0 ip router isis test duplex full ! interface Ethernet1/0 ip address 10.10.10.1 255.255.255.0 ip router isis test duplex full !
router isis test net 49.0001.0010.0100.1001.00 ! ! router bgp 100 no synchronization bgp log-neighbor-changes neighbor 10.10.10.2 remote-as 100 neighbor 10.10.10.2 route-reflector-client neighbor 10.10.10.2 next-hop-self neighbor 10.10.11.2 remote-as 100 neighbor 10.10.11.2 route-reflector-client neighbor 10.10.11.2 next-hop-self no auto-summary
R2
interface Loopback0 ip address 2.2.2.2 255.255.255.0 ip router isis test ! interface FastEthernet0/0 ip address 10.10.11.2 255.255.255.0 ip router isis test duplex full !
router isis test net 49.0001.0020.0200.2002.00 ! router bgp 100 no synchronization bgp log-neighbor-changes redistribute isis test level-1-2 neighbor 10.10.11.1 remote-as 100 neighbor 10.10.11.1 next-hop-self neighbor 10.10.12.2 remote-as 20 neighbor 10.10.12.2 next-hop-self no auto-summary !
R3
interface Loopback0 ip address 3.3.3.3 255.255.255.0 ip router isis test ! interface Ethernet2/0 ip address 10.10.10.2 255.255.255.0 ip router isis test duplex full !
router isis test net 49.0001.0030.0300.3003.00 ! router bgp 100 no synchronization bgp log-neighbor-changes redistribute isis test level-1-2 neighbor 10.10.9.2 remote-as 10 neighbor 10.10.9.2 next-hop-self neighbor 10.10.10.1 remote-as 100 neighbor 10.10.10.1 next-hop-self no auto-summary !
R4
router bgp 20 no synchronization bgp log-neighbor-changes neighbor 10.10.12.1 remote-as 100 neighbor 10.10.12.1 next-hop-self no auto-summary
R5
router bgp 10 no synchronization bgp log-neighbor-changes redistribute connected neighbor 10.10.9.1 remote-as 100 neighbor 10.10.9.1 update-source Loopback0 neighbor 10.10.9.1 next-hop-self no auto-summary