hcip BGP enhancement experiment

实验题目：

实验分析：

IP地址配置完成后,配置路由,包含R1/2和R7/8之间的静态和R2/3/4/5/6/7的动态路由协议（OSPF）

建立EBGP和IBGP关系以及内部的反射

对应网段在BGP协议内的宣告

汇总（在此使用不正规的路由汇总,直接书写一条防环路由——指向空接口,随后直接宣告汇总路由）

实验拓扑：

实验配置：

R1:

[Huawei]sysname r1
[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]ip add 12.1.1.1 24
[r1-GigabitEthernet0/0/0]int l0
[r1-LoopBack0]ip add 1.1.1.1 32
[r1-LoopBack0]q
[r1]bgp 1
[r1-bgp]peer 172.16.0.2 as-number 2
[r1-bgp]peer 172.16.0.2 connect-interface l0         
[r1-bgp]peer 172.16.0.2 ebgp-max-hop 2
[r1-bgp]int l1
[r1-LoopBack1]ip add 192.168.1.1 24
[r1-LoopBack1]bgp 1
[r1-bgp]network 192.168.1.0 24

R2:

[Huawei]sysname R2
[R2]int g0/0/0
[R2-GigabitEthernet0/0/0]ip add 12.1.1.2 24
[R2-GigabitEthernet0/0/0]int l0
[R2-LoopBack0]ip add 172.16.0.2 32
[R2-LoopBack0]int l1
[R2-LoopBack1]ip add 172.16.2.1 24
[R2-LoopBack1]int g0/0/1
[R2-GigabitEthernet0/0/1]ip add 172.16.1.21 30
[R2-GigabitEthernet0/0/1]int g0/0/2
[R2-GigabitEthernet0/0/2]ip add 172.16.1.1 30
[R2-GigabitEthernet0/0/2]q
[R2]ip route-static 1.1.1.1 32 12.1.1.1
[R2]bgp 64512
[R2-bgp]confederation id 2
[R2-bgp]peer 1.1.1.1 as-number 1
[R2-bgp]peer 1.1.1.1 connect-interface LoopBack 0
[R2-bgp]peer 1.1.1.1 ebgp-max-hop 2
[R2-bgp]ospf 1
[R2-ospf-1]area 0
[R2-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[R2-ospf-1-area-0.0.0.0]int l1
[R2-LoopBack1]ospf network-type broadcast 
[R2]bgp 64512
[R2-bgp]peer 172.16.0.3 as-number 64512
[R2-bgp]peer 172.16.0.3 connect-interface LoopBack 0
[R2-bgp]peer 172.16.0.3 next-hop-local
[R2-bgp]confederation peer-as 64513
[R2-bgp]peer 172.16.0.5 as-number 64513
[R2-bgp]peer 172.16.0.5 connect-interface LoopBack 0
[R2-bgp]peer 172.16.0.5 ebgp-max-hop 2
[R2-bgp]q
[R2]ip route-static 172.16.0.0 16 null 0
[R2]bgp 64512
[R2-bgp]network 172.16.0.0 16

R3:

[Huawei]sysname r3
[r3]int g0/0/0
[r3-GigabitEthernet0/0/0]ip add 172.16.1.2 30
[r3-GigabitEthernet0/0/0]int g0/0/1
[r3-GigabitEthernet0/0/1]ip add 172.16.1.5 30
[r3-GigabitEthernet0/0/1]int l0
[r3-LoopBack0]ip add 172.16.0.3 32
[r3-LoopBack0]int l1
[r3-LoopBack1]ip add 172.16.3.1 24
[r3-LoopBack1]ospf 1
[r3-ospf-1]area 0
[r3-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[r3-ospf-1-area-0.0.0.0]int l1
[r3-LoopBack1]ospf network-type b
[r3-LoopBack1]ospf network-type broadcast 
[r3-LoopBack1]bgp 64512
[r3-bgp]confederation id 2
[r3-bgp]peer 172.16.0.2 as-number 64512
[r3-bgp]peer 172.16.0.2 connect-interface l0
[r3-bgp]peer 172.16.0.2 next-hop-local
[r3-bgp]peer 172.16.0.4 as-number 64512
[r3-bgp]peer 172.16.0.4 connect-interface l0
[r3-bgp]peer 172.16.0.4 next-hop-local
[r3-bgp]peer 172.16.0.4 reflect-client

R4:

[Huawei]sysname r4
[r4]int g0/0/0
[r4-GigabitEthernet0/0/0]ip add 172.16.1.6 30
[r4-GigabitEthernet0/0/0]int g0/0/1
[r4-GigabitEthernet0/0/1]ip add 172.16.1.9 30
[r4-GigabitEthernet0/0/1]int l0
[r4-LoopBack0]ip add 172.16.0.4 32
[r4-LoopBack0]int l1
[r4-LoopBack1]ip add 172.16.4.1 24
[r4-LoopBack1]ospf 1
[r4-ospf-1]area 0
[r4-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[r4-ospf-1-area-0.0.0.0]int l1
[r4-LoopBack1]ospf network-type broadcast 
[r4]bgp 64512
[r4-bgp]confederation id 2
[r4-bgp]confederation peer-as 64513
[r4-bgp]peer 172.16.0.3 as-number 64512
[r4-bgp]peer 172.16.0.3 connect-interface l0
[r4-bgp]peer 172.16.0.3 next-hop-local
[r4-bgp]peer 172.16.0.7 as-number 64513
[r4-bgp]peer 172.16.0.7 connect-interface l0
[r4-bgp]peer 172.16.0.7 ebgp-max-hop 2

R5:

[Huawei]sysname r5
[r5]int g0/0/0
[r5-GigabitEthernet0/0/0]ip add 172.16.1.22 30
[r5-GigabitEthernet0/0/0]int g0/0/1
[r5-GigabitEthernet0/0/1]ip add 172.16.1.17 30
[r5-GigabitEthernet0/0/1]int l0
[r5-LoopBack0]ip add 172.16.0.5 32
[r5-LoopBack0]int l1
[r5-LoopBack1]ip add 172.16.5.1 24
[r5-LoopBack1]ospf 1 
[r5-ospf-1]area 0
[r5-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[r5-ospf-1-area-0.0.0.0]int l1
[r5-LoopBack1]ospf network-type broadcast 
[r5-LoopBack1]bgp 64513
[r5-bgp]confederation id 2
[r5-bgp]confederation peer-as 64512
[r5-bgp]peer 172.16.0.2 as-number 64512
[r5-bgp]peer 172.16.0.2 connect-interface LoopBack 0
[r5-bgp]peer 172.16.0.2 ebgp-max-hop 2
[r5-bgp]peer 172.16.0.6 as-number 64513
[r5-bgp]peer 172.16.0.6 connect-interface l0
[r5-bgp]peer 172.16.0.6 next-hop-local

R6:

[Huawei]sysname r6
[r6]int g0/0/0
[r6-GigabitEthernet0/0/0]ip add 172.16.1.13 30
[r6-GigabitEthernet0/0/0]int g0/0/1
[r6-GigabitEthernet0/0/1]ip add 172.16.1.18 30
[r6-GigabitEthernet0/0/1]int l0
[r6-LoopBack0]ip add 172.16.0.6 32
[r6-LoopBack0]int l1
[r6-LoopBack1]ip add 172.16.6.1 24
[r6-LoopBack1]ospf 1
[r6-ospf-1]area 0
[r6-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[r6-ospf-1-area-0.0.0.0]int l1
[r6-LoopBack1]ospf network-type broadcast 
[r6-LoopBack1]bgp 64513
[r6-bgp]peer 172.16.0.5 as-number 64513
[r6-bgp]peer 172.16.0.5 connect-interface l0
[r6-bgp]peer 172.16.0.5 next-hop-local
[r6-bgp]peer 172.16.0.7 as-number 64513
[r6-bgp]peer 172.16.0.7 connect-interface l0
[r6-bgp]peer 172.16.0.7 next-hop-local
[r6-bgp]peer 172.16.0.7 reflect-client

R7:

[Huawei]sysname r7
[r7]int g0/0/0
[r7-GigabitEthernet0/0/0]ip add 172.16.1.10 30
[r7-GigabitEthernet0/0/0]int g0/0/1
[r7-GigabitEthernet0/0/1]ip add 172.16.1.14 30
[r7-GigabitEthernet0/0/1]int g0/0/2
[r7-GigabitEthernet0/0/2]ip add 78.1.1.1 24
[r7-GigabitEthernet0/0/2]int l0
[r7-LoopBack0]ip add 172.16.0.7 32
[r7-LoopBack0]int l1
[r7-LoopBack1]ip add 172.16.7.1 24
[r7-LoopBack1]q
[r7]ip route-static 8.8.8.8 32 78.1.1.2
[r7]bgp 64513
[r7-bgp]confederation id 2
[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
[r7-bgp]ospf 1
[r7-ospf-1]area 0
[r7-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[r7-ospf-1-area-0.0.0.0]int l1
[r7-LoopBack1]ospf network-type broadcast 
[r7-LoopBack1]bgp 64513
[r7-bgp]confederation peer-as 64512
[r7-bgp]peer 172.16.0.4 as-number 64512
[r7-bgp]peer 172.16.0.4 connect-interface l0
[r7-bgp]peer 172.16.0.4 ebgp-max-hop 2
[r7-bgp]peer 172.16.0.6 as-number 64513
[r7-bgp]peer 172.16.0.6 connect-interface l0
[r7-bgp]peer 172.16.0.6 next-hop-local

R8:

[Huawei]sysname r8
[r8]int g0/0/0
[r8-GigabitEthernet0/0/0]ip add 78.1.1.2 24
[r8-GigabitEthernet0/0/0]int l0
[r8-LoopBack0]ip add 8.8.8.8 32
[r8-LoopBack0]q
[r8]ip route-static 172.16.0.7 32 78.1.1.1 
[r8]bgp 3
[r8-bgp]peer 172.16.0.7 as-number 2
[r8-bgp]peer 172.16.0.7 connect-interface LoopBack 0
[r8-bgp]peer 172.16.0.7 ebgp-max-hop 2
[r8-bgp]int l1
[r8-LoopBack1]ip add 192.168.2.1 24
[r8-LoopBack1]bgp 3
[r8-bgp]network 192.168.2.0 24

实验验证：

邻居表：