BGP 的基本配置利用packet tracer演示边界路由

最新推荐文章于 2025-03-12 09:34:24 发布

Kaptek

最新推荐文章于 2025-03-12 09:34:24 发布

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本文链接：https://blog.youkuaiyun.com/Kaptek/article/details/14165081

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1,目的:为了了解BGP的概念

2,搭建环境: Cisco Packet Tracer 6.0

3,拓扑图:

4,拓扑解释

1), 上述拓扑使用1841路由器.

2),R1,R2,R3,R4各有两个百兆网卡(f0/0 f0/1)并宣告了一个lo0;

Router # lo0 f0/0 f0/1
R1 10.1.1.1/24 NA 10.1.12.1/24
R2 10.1.2.2/24 10.1.12.2/24 10.1.23.2/24
R3 10.1.3.3/24 10.1.23.3/24 10.1.34.3/24
R4 10.1.4.4/24 10.1.34.4/24 NA

3),将R2,R3,R4设定为eigrp100 R4 是可以ping到R2的

4)在R1 和 R2上分别设置BGP 并指定 as 然后在R2是可以ping到10.1.1.1,但是R3ping不到101.1.1

5,配置指令

R1:

hostname R1

interface Loopback0
ip address 10.1.1.1 255.255.255.0 

interface FastEthernet0/1
ip address 10.1.12.1 255.255.255.0
no shut

router bgp 1
neighbor 10.1.12.2 remote-as 234
network 10.1.1.0 mask 255.255.255.0

R2:

hostname R2

interface Loopback0
ip address 10.1.2.2 255.255.255.0 

interface FastEthernet0/0
ip address 10.1.12.2 255.255.255.0
interface FastEthernet0/1
ip address 10.1.23.2 255.255.255.0
no shut

router eigrp 100
network 10.1.2.0 0.0.0.255
network 10.1.23.0 0.0.0.255

router bgp 234
neighbor 10.1.12.1 remote-as 1
network 10.1.2.0 mask 255.255.255.0

R3:

hostname R3

interface Loopback0
ip address 10.1.3.3 255.255.255.0 

interface FastEthernet0/0
ip address 10.1.23.3 255.255.255.0
interface FastEthernet0/1
ip address 10.1.34.3 255.255.255.0
no shut

router eigrp 100
network 10.1.3.0 0.0.0.255
network 10.1.23.0 0.0.0.255
network 10.1.34.0 0.0.0.255

R4:

hostname R4

interface Loopback0
ip address 10.1.4.4 255.255.255.0 

interface FastEthernet0/0
ip address 10.1.34.4 255.255.255.0
no shut

router eigrp 100
network 10.1.4.0 0.0.0.255
network 10.1.34.0 0.0.0.255