实验3.10 BGP路径选择-Community
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1、基本配置
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R1:
sys
sysname R1
undo info-cen en
int loop 0
ip add 10.0.1.1 32
int loop 1
ip add 10.0.100.1 32
int loop 2
ip add 10.0.100.2 32
int loop 3
ip add 10.0.100.3 32
int loop 4
ip add 10.0.100.4 32
int loop 5
ip add 10.0.100.5 32
int g0/0/0
ip add 10.0.12.1 24
q
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R2:
sys
sysname R2
undo info-cen en
int loop 0
ip add 10.0.2.2 32
int g0/0/0
ip add 10.0.12.2 24
int g0/0/1
ip add 10.0.23.2 24
int g0/0/2
ip add 10.0.24.2 24
q
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R3:
sys
sysname R3
undo info-cen en
int loop 3
ip add 10.0.3.3 32
int g0/0/1
ip add 10.0.23.3 24
q
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R4:
sys
sysname R4
undo info-cen en
int loop 0
ip add 10.0.4.4 32
int g0/0/2
ip add 10.0.24.4 24
int g0/0/0
ip add 10.0.45.4 24
q
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R5:
sys
sysname R5
undo info-cen en
int loop 0
ip add 10.0.5.5 32
int g0/0/0
ip add 10.0.45.5 24
q
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2.配置BGP路由协议
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#配置OSPF协议：
R2:
ospf 1 router-id 10.0.2.2
area 0
network 10.0.23.0 0.0.0.255
network 10.0.24.0 0.0.0.255
network 10.0.2.2 0.0.0.0
q
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R3:
ospf 1 router-id 10.0.3.3
area 0
network 10.0.23.0 0.0.0.255
network 10.0.3.3 0.0.0.0
q
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R4:
ospf 1 router-id 10.0.4.4
area 0
network 10.0.23.0 0.0.0.255
network 10.0.4.4 0.0.0.0
q
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#配置BGP协议
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R1:
bgp 100
router-id 10.0.1.1
peer 10.0.12.2 as-number 200
network 10.0.100.1 32
network 10.0.100.2 32
network 10.0.100.3 32
network 10.0.100.4 32
network 10.0.100.5 32
q
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R2:
bgp 2001
router-id 10.0.2.2
confederation id 200
confederation peer-as 2002
peer 10.0.23.3 as-number 2002
peer 10.0.23.3 next-hop-local
peer 10.0.24.4 as-number 2001
peer 10.0.24.4 next-hop-local
peer 10.0.12.1 as-number 100
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R3:
bgp 2002
router-id 10.0.3.3
confederation id 200
confederation peer-as 2001
peer 10.0.23.2 as-number 2001
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R4:
bgp 2001
router-id 10.0.4.4
confederation id 200
confederation peer-as 2001
peer 10.0.24.2 as-number 2001
peer 10.0.24.2 next-hop-local
peer 10.0.45.5 as-number 300
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R5:
bgp 300
router-id 10.0.5.5
peer 10.0.45.4 as-number 200
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#查看BGP邻居信息和BGP路由表。
R1、R2、R3、R4、R5：
dis bgp peer
dis bgp routing-table
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