BGP选路实验

BGP选路实验_第1张图片

r1到r8配地址

[r1]int ge/e/e
[r1-GigabitEtherneto/o/ojip add 11.1.1.1 24[r1-GigabitEtherneto/o/ojint LO
[r1-LoopBacke]ip add 1.1.1.1 32
[r2]int go/0/0
[r2-GigabitEthernete/e/0]ip add 11.1.1.2 24

[r2-GigabitEtherneto/0/0]int go/0/1
[r2-GigabitEthernete/0/1]ip add 22.1.1.1 24

[r2-GigabitEtherneto/o/1]int g0/0/2
[r2-GigabitEtherneto/0/2]ip add 55.1.1.1 24

[r2-GigabitEthernet0/0/2]int Lo
[r2-LoopBacke]ip add 2.2.2.2 32
[r3]int go/e/0
[r3-GigabitEtherneto/0/0]ip add 22.1.1.2 24

[r3-GigabitEtherneto/0/0]int g0/0/1
[r3-GigabitEthernet0/0/1]ip add 33.1.1.1 24

[r3-GigabitEthernet0/0/1]int LO
[r3-LoopBack0] ip add 3.3.3.3 32
[r4]int go/e/0
[r4-GigabitEtherneto/0/0]ip add 33.1.1.2 24

[r4-GigabitEtherneto/0/ejint g8/0/1
[r4-GigabitEthernete/0/1]ip add 44.1.1.1 24

[r4-GigabitEthernet0/0/1]int Lo
[r4-LoopBacke]ip add 4.4.4.4 32
[r5]int go/e/e
[r5-GigabitEthernete/o/0]ip add 55.1.1.2 24

[r5-GigabitEthernete/o/o]int ge/0/1
[r5-GigabitEthernet0/e/1lip add 66.1.1.1 24

[r5-GigabitEthernete/0/1]int Lo
[r5-LoopBacke]ip add 5.5.5.5 32
[r6]int go/o/0
[r6-GigabitEthernete/0/0]ip add 66.1.1.2 24

[r6-GigabitEthernete/0/0]int g0/0/1
[r6-GigabitEtherneto/0/1]ip add 77.1.1.1 24

[r6-GigabitEtherneto/e/1]int lo
[r6-LoopBacke]ip add 6.6.6.6 32
[r7]int ga/e/e
[r7-GigabitEthernete/o/o]ip add 44.1.1.2 24

[r7-GigabitEthernete/o/o]int go/0/1
[r7-GigabitEthernet0/0/1]ip add 77.1.1.2 24

[r7-GigabitEtherneto/0/1]int g0/0/2
[r7-GigabitEthernete/0/2lip add 88.1.1.1 24

[r7-GigabitEthernet0/0/2]int Lo
[r7-LoopBacke]ip add 7.7.7.7 32
[r8]int go/0/0
[r8-GigabitEthernete/0/0]ip add 88.1.1.2 24

[r8-GigabitEthernete/e/o]int l0
[r8-LoopBacko]ip add 8.8.8.8 32

书写路由表

[r2]ospf 1 router-id 2.2.2.2
[r2-ospf-1]area 0
[r2-ospf-1-area-0.0.0.0]network 22.1.1.1 0.0.0.0

[r2-ospf-1-area-0.0.0.0]network 55.1.1.1 0.0.0.0

[r2-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0

[r3]ospf 1 router-id 3.3.3.3
[r3-ospf-1]area 0
[r3-ospf-1-area-0.0.0.0]network 22.1.1.2 0.0.0.0

[r3-ospf-1-area-0.0.0.0]network 33.1.1.1 0.0.0.0

[r3-ospf-1-area-0.0.0.0]network 3.3.3.3 0.0.0.0

[r4]ospf 1 router-id 4.4.4.4
[r4-ospf-1]area 0
[r4-ospf-1-area-0.0.0.0]network 33.1.1.2 0.0.0.0

[r4-ospf-1-area-0.0.0.0]network 44.1.1.1 0.0.0.0

[r4-ospf-1-area-0.0.0.0]network 4.4.4.4 0.0.0.0

[r5]ospf 1 router-id 5.5.5.5
[r5-ospf-1]area 0
[r5-ospf-1-area-0.0.0.0]network 66.1.1.1 0.0.0.0

[r5-ospf-1-area-0.0.0.0]network 5.5.5.5 0.0.0.0

[r5-ospf-1-area-0.0.0.0]network 55.1.1.2 0.0.0.0

[r6]ospf 1 router-id 6.6.6.6
[r6-ospf-1]area 0
[r6-ospf-1-area-0.0.0.0]network 6.6.6.6 0.0.0.0

[r6-ospf-1-area-0.0.0.0]network 77.1.1.1 0.0.0.0

[r6-ospf-1-area-0.0.0.0]network 66.1.1.2 0.0.0.0

[r7]ospf 1 router-id 7.7.7.7
[r7-ospf-1]area 0
[r7-ospf-1-area-0.0.0.0]network 7.7.7.7 0.0.0.0

[r7-ospf-1-area-0.0.0.0]network 44.1.1.2 0.0.0.0

[r7-ospf-1-area-0.0.0.0]network 77.1.1.2 0.0.0.0

建立关系

[r2]bgp 64512
[r2-bgp]router-id 2.2.2.2
[r2-bgp]confederation id 200
[r2-bgp]confederation peer-as 64513
[r2-bgp]peer 3.3.3.3 as-number 64512
[r2-bgp]peer 3.3.3.3 connect-interface LoopBack 0

[r2-bgp]peer 5.5.5.5 as-number 64513
[r2-bgp]peer 5.5.5.5 connect-interface LoopBack e

[r2-bgp]peer 5.5.5.5 ebgp-max-hop
[r2-bgp]peer 11.1.1.1 as-number 100
[r2-bgp]peer 3.3.3.3 next-hop-local
[r3]bgp 64512
[r3-bgp]router-id 3.3.3.3
[r3-bgp]confederation id 200
[r3-bgp]peer 2.2.2.2 as-number 64512
[r3-bgp]peer 2.2.2.2 connect-interface LoopBack 0

[r3-bgp]peer 4.4.4.4 as-number 64512
[r3-bgp]peer 4.4.4.4 connect-interface LoopBack 0

[r3-bgp]peer 2.2.2.2 reflect-client
[r3-bgp]peer 4.4.4.4 reflect-client
[r4]bgp 64512
[r4-bgp]confederation id 200
[r4-bgp]confederation peer-as 64513
[r4-bgp]router-id 4.4.4.4
[r4-bgp]peer 3.3.3.3 as-number 64512
[r4-bgp]peer 3.3.3.3 connect-interface LoopBack 0

[r4-bgp]peer 7.7.7.7 as-number 64513
[r4-bgp]peer 7.7.7.7 connect-interface LoopBack e

[r4-bgp]peer 7.7.7.7 ebgp-max-hop
[r4-bgp]peer 3.3.3.3 next-hop-local
[r5]bgp 64513
[r5-bgp]router-id 5.5.5.5
[r5-bgp]confederation id 200
[r5-bgp]confederation peer-as 6451
[r5-bgp]peer 2.2.2.2 as-number 64512
[r5-bgp]peer 2.2.2.2 connect-interface LoopBack 0

[r5-bgp]peer 6.6.6.6 as-number 64513
[r5-bgp]peer 6.6.6.6 connect-interface LoopBack 0

[r5-bgp]peer 2.2.2.2 ebgp-max-hop
[rs-bgp]peer 6.6.6.6 next-hop-local
[r6]bgp 64513
[r6-bgp]router-id 6.6.6.6
[r6-bgp]confederation id 200
[r6-bgp]peer 5.5.5.5 as-number 64513
[r6-bgp]peer 5.5.5.5 connect-interface LoopBack 0

[r6-bgp]peer 7.7.7.7 as-number 64513
[r6-bgp]peer 7.7.7.7 connect-interface LoopBack 0

[r6-bgp]peer 5.5.5.5 reflect-client
[r6-bgp]peer 7.7.7.7 reflect-client
[r7]bgp 64513
[r7-bgp]router-id 7.7.7.7
[r7-bgp]peer 6.6.6.6 as-number 64513
[r7-bgp]peer 6.6.6.6 connect-interface LoopBack 0

[r7-bgp]confederation id 200
[r7-bgp]confederation peer-as 64512
[r7-bgp]peer 4.4.4.4 as-number 64512
[r7-bgp]peer 4.4.4.4 connect-interface LoopBack 0

[r7-bgp]peer 4.4.4.4 ebgp-max-hop

[r7-bgp]peer 88.1.1.2 as-number 300
[r7-bgp]peer 6.6.6.6 next-hop-local
[r1]bgp 100
[r1-bgp]router-id 1.1.1.1
[r1-bgp]peer 11.1.1.2 as-number 200
[r8]bgp 300
[r8-bgp]router-id 8.8.8.8
[r8-bgp]peer 88.1.1.1 as-number 200

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