BGP权重实验
R1
配置
:
r1#show running-config
Building configuration...
Current configuration : 1299 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname r1
!
boot-start-marker
boot-end-marker
!
!
memory-size iomem 5
no aaa new-model
ip subnet-zero
!
!
no ip domain lookup
!
!
ip cef
ip ips po max-events 100
no ftp-server write-enable
!
interface Loopback1
ip address 1.1.1 .1 255.255.255.0
!
interface Serial0/0
ip address 192.168.1.1 255.255.255.0
serial restart-delay 0
!
interface Serial0/1
ip address 192.168.3.1 255.255.255.0
serial restart-delay 0
!
interface Serial0/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/3
no ip address
shutdown
serial restart-delay 0
!
router ospf 1
log-adjacency-changes
network 1.1.1 .0 0.0.0.255 area 0
network 192.168.3.0 0.0.0 .255 area 0
!
router bgp 200
no synchronization
bgp router-id 1.1.1 .1
bgp log-neighbor-changes
neighbor r1 peer-group
neighbor r1 remote-as 200
neighbor r1 update-source Loopback1
neighbor r1 next-hop-self
neighbor 3.3.3 .3 peer-group r1
neighbor 4.4.4 .4 peer-group r1
neighbor 192.168.1.2 remote-as 100
no auto-summary
!
ip http server
no ip http secure-server
ip classless
!
control-plane
!
!
line con 0
line aux 0
line vty 0 4
login
!
!
end
======================================================================
R2
配置：
r2#show running-config
Building configuration...
Current configuration : 1233 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname r2
!
boot-start-marker
boot-end-marker
!
!
memory-size iomem 5
no aaa new-model
ip subnet-zero
!
!
no ip domain lookup
!
!
ip cef
ip ips po max-events 100
no ftp-server write-enable
!
interface Loopback21
ip address 2.2.2 .2 255.255.255.0
!
interface Loopback22
ip address 22.22.22 .22 255.255.255.0
!
interface Serial0/0
ip address 192.168.1.2 255.255.255.0
serial restart-delay 0
!
interface Serial0/1
ip address 192.168.2.1 255.255.255.0
serial restart-delay 0
!
interface Serial0/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/3
no ip address
shutdown
serial restart-delay 0
!
router bgp 100
no synchronization
bgp router-id 2.2.2 .2
bgp log-neighbor-changes
network 2.2.2 .0 mask 255.255.255.0
network 22.22.22 .0 mask 255.255.255.0
neighbor r2 peer-group
neighbor r2 remote-as 200
neighbor 192.168.1.1 peer-group r2
neighbor 192.168.2.2 peer-group r2
no auto-summary
!
ip http server
no ip http secure-server
ip classless
!
control-plane
!
line con 0
line aux 0
line vty 0 4
login
!
!
End
=====================================================================
R3
配置：
r3#show running-config
Building configuration...
Current configuration : 1673 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname r3
!
boot-start-marker
boot-end-marker
!
!
memory-size iomem 5
no aaa new-model
ip subnet-zero
!
!
no ip domain lookup
!
!
ip cef
ip ips po max-events 100
no ftp-server write-enable
!
interface Loopback3
ip address 3.3.3 .3 255.255.255.0
!
interface Serial0/0
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/1
ip address 192.168.3.2 255.255.255.0
serial restart-delay 0
!
interface Serial0/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/3
no ip address
shutdown
serial restart-delay 0
!
interface FastEthernet1/0
ip address 192.168.4.1 255.255.255.0
duplex auto
speed auto
!
router ospf 1
log-adjacency-changes
network 3.3.3 .0 0.0.0.255 area 0
network 192.168.3.0 0.0.0 .255 area 0
network 192.168.4.0 0.0.0 .255 area 0
!
router bgp 200
no synchronization
bgp router-id 3.3.3 .3
bgp log-neighbor-changes
network 3.3.3 .0 mask 255.255.255.0
neighbor huawei peer-group
neighbor huawei remote-as 200
neighbor huawei update-source Loopback3
neighbor huawei next-hop-self
neighbor 1.1.1 .1 peer-group huawei
neighbor 1.1.1 .1 route-map ro in
neighbor 4.4.4 .4 peer-group huawei
no auto-summary
!
ip http server
no ip http secure-server
ip classless
!
ip prefix-list cisco seq 5 permit 2.2.2 .0/24
!
ip prefix-list huawei seq 5 permit 22.22.22 .0/24
!
route-map ro permit 10
match ip address prefix-list cisco
set weight 100
!
route-map ro permit 20
!
control-plane
!
line con 0
line aux 0
line vty 0 4
login
!
!
End
=====================================================================
R4
配置：
r4#show running-config
Building configuration...
Current configuration : 1377 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname r4
!
boot-start-marker
boot-end-marker
!
!
memory-size iomem 5
no aaa new-model
ip subnet-zero
!
!
no ip domain lookup
!
ip cef
ip ips po max-events 100
no ftp-server write-enable
!
interface Loopback4
ip address 4.4.4 .4 255.255.255.0
!
interface Serial0/0
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/1
ip address 192.168.2.2 255.255.255.0
serial restart-delay 0
!
interface Serial0/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/3
no ip address
shutdown
serial restart-delay 0
!
interface FastEthernet1/0
ip address 192.168.4.2 255.255.255.0
duplex auto
speed auto
!
router ospf 1
log-adjacency-changes
network 4.4.4 .0 0.0.0.255 area 0
network 192.168.4.0 0.0.0 .255 area 0
!
router bgp 200
no synchronization
bgp router-id 4.4.4 .4
bgp log-neighbor-changes
neighbor r4 peer-group
neighbor r4 remote-as 200
neighbor r4 update-source Loopback4
neighbor r4 next-hop-self
neighbor 1.1.1 .1 peer-group r4
neighbor 3.3.3 .3 peer-group r4
neighbor 192.168.2.1 remote-as 100
no auto-summary
!
ip http server
no ip http secure-server
ip classless
!
control-plane
!
line con 0
line aux 0
line vty 0 4
login
!
!
end