HCIP-BGP综合实验

一、实验要求

每个路由器有一个路由器接口,用于建邻舍;同时还有一个路由器接口,用于连接用户;最终,这些连接用户接口网络需要能够与R1-8的路由器接口进行通信

2、as2 网段地址172.16.0.0 /16  减少路由条目数量

二、实验过程

(1)分开网络段,配置接口IP和循环反馈

[r1]int lo0
[r1-LoopBack0]ip ad 1.1.1.1 24
[r1-LoopBack0]q
[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]ip ad 12.1.1.1 24

[r2]int lo0
[r2-LoopBack0]ip ad 192.16.224.1 22
[r2-LoopBack0]int lo1
[r2-LoopBack1]ip ad 192.16.0.1 22
[r2-LoopBack1]q
[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]ip ad 12.1.1.2 24
[r2-GigabitEthernet0/0/0]int g0/0/1
[r2-GigabitEthernet0/0/1]ip ad 192.16.32.1 19
[r2-GigabitEthernet0/0/1]int g0/0/2
[r2-GigabitEthernet0/0/2]ip ad 192.16.160.1 19

[r3]int lo0
[r3-LoopBack0]ip ad 192.16.228.1 22
[r3-LoopBack0]int lo1
[r3-LoopBack1]ip ad 192.16.4.1 22
[r3-LoopBack1]q
[r3]int g0/0/0
[r3-GigabitEthernet0/0/0]ip ad 192.16.32.2 19
[r3-GigabitEthernet0/0/0]int g0/0/1
[r3-GigabitEthernet0/0/1]ip ad 192.16.64.1 19

[r4]int lo0
[r4-LoopBack0]ip ad 192.16.232.1 22
[r4-LoopBack0]ip ad 192.16.8.1 22
[r4-LoopBack0]q
[r4]int g0/0/0
[r4-GigabitEthernet0/0/0]ip ad 192.16.64.2 19
[r4-GigabitEthernet0/0/0]int g0/0/1
[r4-GigabitEthernet0/0/1]ip ad 192.16.192.1 19

[r5]int lo0
[r5-LoopBack0]ip ad 192.16.236.1 22
[r5-LoopBack0]int lo1
[r5-LoopBack1]ip ad 192.16.12.1 22
[r5-LoopBack1]q
[r5]int g0/0/0
[r5-GigabitEthernet0/0/0]ip ad 192.16.160.2 19
[r5-GigabitEthernet0/0/1]ip ad 192.16.96.1 19

[r6]int lo0
[r6-LoopBack0]ip ad 192.16.240.1 22
[r6-LoopBack0]int lo1
[r6-LoopBack1]ip ad 192.16.16.1 22
[r6-LoopBack1]q
[r6]int g0/0/0
[r6-GigabitEthernet0/0/0]ip ad 192.16.96.2 19
[r6-GigabitEthernet0/0/0]int g0/0/1
[r6-GigabitEthernet0/0/1]ip ad 192.16.128.1 19

[r7]int lo0
[r7-LoopBack0]ip ad 192.16.244.1 22
[r7-LoopBack0]int lo1
[r7-LoopBack1]ip ad 192.16.20.1 22
[r7-LoopBack1]q
[r7]int g0/0/0
[r7-GigabitEthernet0/0/0]ip ad 192.16.128.2 19

[r7-GigabitEthernet0/0/0]int g0/0/2
[r7-GigabitEthernet0/0/2]ip ad 192.16.192.2 19
[r7-GigabitEthernet0/0/2]int g0/0/1
[r7-GigabitEthernet0/0/1]ip ad 78.1.1.2 24

[r8]int lo0
[r8-LoopBack0]ip ad 8.8.8.8 24
[r8-LoopBack0]q
[r8]int g0/0/0
[r8-GigabitEthernet0/0/0]ip ad 78.1.1.1 24

在底层完成后,直接测试 ping,以确保底层正确配置

(二)在AS2中使用IPP协议OSPF,允许AS2的网络段到达区域

[r2]ospf 1 router-id 2.2.2.2
[r2-ospf-1]area 0
[r2-ospf-1-area-0.0.0.0]network 192.16.32.1 0.0.0.0
[r2-ospf-1-area-0.0.0.0]network 192.16.160.1 0.0.0.0
[r2-ospf-1-area-0.0.0.0]network 192.16.0.1 0.0.0.0
[r2-ospf-1-area-0.0.0.0]net 192.16.224.1 0.0.0.0

[r3]ospf 1 router-id 3.3.3.3
[r3-ospf-1]ar 0
[r3-ospf-1-area-0.0.0.0]net 192.16.32.2 0.0.0.0
[r3-ospf-1-area-0.0.0.0]net 192.16.64.1 0.0.0.0
[r3-ospf-1-area-0.0.0.0]net 192.16.4.1 0.0.0.0
[r3-ospf-1-area-0.0.0.0]net 192.16.228.1 0.0.0.0

[r4]ospf 1 router-id 4.4.4.4
[r4-ospf-1]ar 0
[r4-ospf-1-area-0.0.0.0]net 192.16.64.2 0.0.0.0
[r4-ospf-1-area-0.0.0.0]net 192.16.192.1 0.0.0.0
[r4-ospf-1-area-0.0.0.0]net 192.16.232.1 0.0.0.0
[r4-ospf-1-area-0.0.0.0]net 192.16.8.1 0.0.0.0

[r5]ospf 1 router-id 5.5.5.5
[r5-ospf-1]ar 0
[r5-ospf-1-area-0.0.0.0]net 192.16.160.2 0.0.0.0
[r5-ospf-1-area-0.0.0.0]net 192.16.96.1 0.0.0.0
[r5-ospf-1-area-0.0.0.0]net 192.16.236.1 0.0.0.0
[r5-ospf-1-area-0.0.0.0]net 192.16.12.1 0.0.0.0

[r6]ospf 1 rou 6.6.6.6
[r6-ospf-1]ar 0
[r6-ospf-1-area-0.0.0.0]net 192.16.96.2 0.0.0.0

[r6-ospf-1-area-0.0.0.0]net 192.16.128.1 0.0.0.0
[r6-ospf-1-area-0.0.0.0]net 192.16.240.1 0.0.0.0
[r6-ospf-1-area-0.0.0.0]net 192.16.16.1 0.0.0.0

[r7]ospf 1 rou 7.7.7.7
[r7-ospf-1]ar 0
[r7-ospf-1-area-0.0.0.0]net 192.16.128.2 0.0.0.0
[r7-ospf-1-area-0.0.0.0]net 192.16.192.2 0.0.0.0
[r7-ospf-1-area-0.0.0.0]net 192.16.224.1 0.0.0.0
[r7-ospf-1-area-0.0.0.0]net 192.16.20.1 0.0.0.0

在ospf配置后检查邻居表,并测试网络分段的可用性

为AS1和AS2达成EBG协议

[r1]bgp 1
[r1-bgp]peer 12.1.1.2 as
[r1-bgp]peer 12.1.1.2 as-number 2

[r2]bgp 2
[r2-bgp]router-id 2.2.2.2
[r2-bgp]peer 12.1.1.1 as-number 1

[r7]bgp 2
[r7-bgp]router-id 7.7.7.7
[r7-bgp]peer 8.8.8.8 as-number 3
[r7-bgp]peer 8.8.8.8 connect-interface LoopBack 0
[r7-bgp]peer 8.8.8.8 ebgp-max-hop 2

[r8]bgp 3
[r8-bgp]router-id 8.8.8.8
[r8-bgp]peer 192.16.244.1 as-number 2
[r8-bgp]peer 192.16.244.1 connect-interface LoopBack 0
[r8-bgp]peer 192.16.244.1 ebgp-max-hop 2

(4) AS2的联合体,反射打破BGP级别的分裂

[r1]bgp 1
[r1-bgp]router-id 1.1.1.1
[r1-bgp]peer 12.1.1.2 as-number 2

[r2]bgp 64512
[r2-bgp]router-id 2.2.2.2
[r2-bgp]confederation id 2
[r2-bgp]confederation peer-as 64513
[r2-bgp]peer 12.1.1.1 as-number 1
[r2-bgp]peer 192.16.228.1 as-number 64512
[r2-bgp]peer 192.16.228.1 connect-interface LoopBack 0
[r2-bgp]peer 192.16.236.1 as-number 64513
[r2-bgp]peer 192.16.236.1 connect-interface LoopBack 0

[r3]bgp 64512
[r3-bgp]router-id 3.3.3.3
[r3-bgp]confederation id 2
[r3-bgp]peer 192.16.224.1 as-number 64512
[r3-bgp]peer 192.16.224.1 connect-interface LoopBack 0
[r3-bgp]peer 192.16.232.1 as-number 64512
[r3-bgp]peer 192.16.232.1 connect-interface LoopBack 0

反射：
[r3-bgp]peer 192.16.224.1 reflect-client

[r4]bgp 64512
[r4-bgp]router-id 4.4.4.4
[r4-bgp]confederation id 2
[r4-bgp]confederation peer-as 64513
[r4-bgp]peer 192.16.228.1 as-number 64512
[r4-bgp]peer 192.16.244.1 as-number 64513
[r4-bgp]peer 192.16.224.1 ebgp-max-hop 2
[r4-bgp]peer 192.16.224.1 connect-interface LoopBack 0
[r4-bgp]peer 192.16.244.1 connect-interface LoopBack 0
[r4-bgp]peer 192.16.244.1 ebgp-max-hop 2

[r5]bgp 64513
[r5-bgp]router-id 5.5.5.5
[r5-bgp]confederation id 2
[r5-bgp]confederation peer-as 64512
[r5-bgp]peer 192.16.224.1 as-number 54512
[r5-bgp]peer 192.16.224.1 connect-interface LoopBack 0
[r5-bgp]peer 192.16.224.1 ebgp-max-hop 2
[r5-bgp]peer 192.16.240.1 as-number 64513
[r5-bgp]peer 192.16.240.1 connect-interface LoopBack 0

[r6]bgp 64513
[r6-bgp]router-id 6.6.6.6
[r6-bgp]confederation id 2
[r6-bgp]peer 192.16.236.1 as-number 64513
[r6-bgp]peer 192.16.236.1 connect-interface LoopBack 0
[r6-bgp]peer 192.16.244.1 as-number 64513
[r6-bgp]peer 192.16.244.1 connect-interface LoopBack 0

反射：
[r6-bgp][r6-bgp]peer 192.16.236.1 reflect-client

[r7]bgp 2
[r7-bgp]router-id 7.7.7.7

[r7]bgp 64513
[r7-bgp]router-id 7.7.7.7
[r7-bgp]confederation id 2
[r7-bgp]confederation peer-as 64512
[r7-bgp]peer 192.16.232.1 as-number 64512
[r7-bgp]peer 192.16.232.1 connect-interface LoopBack 0
[r7-bgp]peer 192.16.232.1 ebgp-max-hop 2
[r7-bgp]peer 192.16.240.1 as-number 64513
[r7-bgp]peer 192.16.240.1 connect-interface LoopBack 0
[r7-bgp]peer 78.1.1.1as-number 3

[r8]bgp 3
[r8-bgp]router-id 78.1.1.2
[r8-bgp]peer 192.16.244.1 as-number 2

(四)在BGP中发言,让每个用户互相连接

宣布R1用户界面循环

[r1]bgp 1
[r1-bgp]network 1.1.1.0 24
[r2-bgp]net 192.16.0.0 22

[r3-bgp]net 192.16.4.0 22

[r4-bgp]net 192.16.8.0 22

[r5-bgp]net 192.16.12.0 22

[r6-bgp]net 192.16.16.0 22

[r7-bgp]net 192.16.20.0 22

[r8-bgp]net 8.8.8.0 24

根据AS--BY--AS规则,文章在同一AS内传递时不会修改文章属性;导致通过IBMGP邻域学习的BGP路由的下一个跳跃是无法实现的;因此需要修改R2和R7上的下一个跳跃作为源IP地址,以本地建立与R3R6的邻域关系

[r2-bgp]peer 192.16.228.1 next-hop-local

[r7-bgp]peer 192.16.240.1 next-hop-local

三、测试

本文由 在线网速测试 整理编辑，转载请注明出处，原文链接：https://www.wangsu123.cn/news/31238.html。