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更新时间：2021-09-10 19:34:34
【实验说明】
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R1:
interface FastEthernet0/0
ip address 10.0.0.1 255.255.255.0
ip route 0.0.0.0 0.0.0.0 10.0.0.4
no sh
R6:
interface FastEthernet0/0
ip address 10.0.0.6 255.255.255.0
ip route 0.0.0.0 0.0.0.0 10.0.0.4
no sh
R4：
interface Loopback0
ip address 150.1.4.4 255.255.255.0
ip ospf network point-to-point
no sh
!
interface FastEthernet0/0
ip address 10.0.0.4 255.255.255.0
ip nat inside
no sh
!
interface serial0/0
en fram
no sh
!
interface Serial0/0.1 point-to-point
ip address 155.1.0.4 255.255.255.0
frame-relay interface-dlci 405
ip nat outside
no sh
!
interface Serial0/1
ip address 155.1.45.4 255.255.255.0
clock rate 2000000
ip nat outside
no sh
!
router ospf 1
router-id 150.1.4.4
network 150.1.4.4 0.0.0.0 area 0
network 155.1.0.4 0.0.0.0 area 0
network 155.1.45.4 0.0.0.0 area 0
!
router bgp 1
bgp router-id 150.1.4.4
neighbor 150.1.5.5 remote-as 2
neighbor 150.1.5.5 ebgp-multihop 255
neighbor 150.1.5.5 update-source Loopback0
!
ip access-list standard INSIDE_NETWORK
permit 10.0.0.0 0.0.0.255
!
ip nat inside source list INSIDE_NETWORK interface Loop0 overload
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R5:
interface Loopback0
ip address 150.1.5.5 255.255.255.0
ip ospf network point-to-point
no sh
!
interface Serial0/0
encapsulation frame-relay
no sh
!
interface Serial0/0.1 point-to-point
ip address 155.1.0.5 255.255.255.0
frame-relay interface-dlci 504
no sh
!
interface Serial0/1
ip address 155.1.45.5 255.255.255.0
clock rate 2000000
no sh
!
router ospf 1
router-id 150.1.5.5
network 150.1.5.5 0.0.0.0 area 0
network 155.1.0.5 0.0.0.0 area 0
network 155.1.45.5 0.0.0.0 area 0
!
router bgp 2
bgp router-id 150.1.5.5
neighbor 150.1.4.4 remote-as 1
neighbor 150.1.4.4 ebgp-multihop 255
neighbor 150.1.4.4 update-source Loopback0
neighbor 150.1.4.4 default-originate
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该实验验证了默认情况下，路由器自身产生的流量不会进行自反 ，本实验配置 如何 让路由器产生的流量也能够自反，我们使用 ip local policy 它是应用于本地的策略，即应用于自身路由器的策略
