hcip第12天

1. 搭建拓扑

 

2.ip配置

[R1]inter g0/0/0
[R1-GigabitEthernet0/0/0]ip ad 192.168.2.1 24
[R1-GigabitEthernet0/0/0]inter l0
[R1-LoopBack0]ip add 192.168.1.1 24

[R2]inter g0/0/1
[R2-GigabitEthernet0/0/1]ip ad 23.1.1.2 24
[R2-GigabitEthernet0/0/1]inter lo0
[R2-LoopBack0]ip ad 2.2.2.2 24

[R3]INT G0/0/0
[R3-GigabitEthernet0/0/0]ip ad 23.0.0.2 24
[R3-GigabitEthernet0/0/0]INT G0/0/1
[R3-GigabitEthernet0/0/1]IP ADD 34.0.0.1 24
[R3-GigabitEthernet0/0/1]INT L0
[R3-LoopBack0]IP ADD 3.3.3.3 24

[R4]INT L0 
[R4-LoopBack0]ip ad 4.4.4.4 24
[R4-LoopBack0]inter g0/0/0
[R4-GigabitEthernet0/0/0]ip ad 34.1.1.4 24
[R4]inter g4/0/0
[R4-GigabitEthernet4/0/0]ip ad 100.1.1.1 24

[R5]inter g0/0/0
[R5-GigabitEthernet0/0/0]ip ad 192.168.3.1 24
[R5-GigabitEthernet0/0/0]inter lo0
[R5-LoopBack0]ip ad 192.168.4.1 24、

[R6]inter g0/0/0
[R6-GigabitEthernet0/0/0]ip ad 192.168.2.1 24
[R6-GigabitEthernet0/0/0]inter lo0
[R6-LoopBack0]ip ad 192.168.1.2 24

[R7]inter g0/0/0
[R7-GigabitEthernet0/0/0]ip ad 192.168.3.1 24
[R7-GigabitEthernet0/0/0]inter lo0
[R7-LoopBack0]ip ad 192.168.4.2 24
[R7]inter g0/0/1
[R7-GigabitEthernet0/0/1]ip ad 100.1.1.2 24

3.ospf配置

[R2]OSPF 1 router-id 2.2.2.2
[R2-ospf-1]AREA 0
[R2-ospf-1-area-0.0.0.0]network 23.1.1.0 0.0.0.255
[R2-ospf-1-area-0.0.0.0]network 2.2.2.0 0.0.0.255 

[R3]OSPF 1 router-id 3.3.3.3
[R3-ospf-1]AREA 0
[R3-ospf-1-area-0.0.0.0]network 23.1.1.0 0.0.0.255
[R3-ospf-1-area-0.0.0.0]network 34.1.1.0 0.0.0.255
[R3-ospf-1-area-0.0.0.0]network 3.3.3.0 0.0.0.255

[R4]OSPF 1 router-id 4.4.4.4
[R4-ospf-1]AREA 0
[R4-ospf-1-area-0.0.0.0]network 34.1.1.0 0.0.0.255
[R4-ospf-1-area-0.0.0.0]network 4.4.4.0 0.0.0.255

4.mpls配置

[R2]mpls lsr-id 2.2.2.2
[R2]mpls
Info: Mpls starting, please wait... OK!
[R2-mpls]mpls ldp
[R2-mpls-ldp]q
[R2]interface GigabitEthernet 0/0/1
[R2-GigabitEthernet0/0/1]mpls
[R2-GigabitEthernet0/0/1]mpls ldp

[R3]mpls lsr-id 3.3.3.3
[R3]mpls
Info: Mpls starting, please wait... OK!
[R3-mpls]mpls ldp
[R3-mpls-ldp]Q
[R3]interface GigabitEthernet 0/0/0
[R3-GigabitEthernet0/0/0]mpls
[R3-GigabitEthernet0/0/0]mpls ldp
[R3-GigabitEthernet0/0/0]interface GigabitEthernet 0/0/1
[R3-GigabitEthernet0/0/1]mpls
[R3-GigabitEthernet0/0/1]mpls ldp

[R4]mpls lsr-id 4.4.4.4
[R4]mpls
Info: Mpls starting, please wait... OK!
[R4-mpls]mpls ldp
[R4-mpls-ldp]q
[R4]interface GigabitEthernet 0/0/0
[R4-GigabitEthernet0/0/0]mpls
[R4-GigabitEthernet0/0/0]mpls ldp

5.MPLS VPN配置

[R2]ip vpn-instance x
[R2-vpn-instance-x]route-distinguisher 1:1
[R2-vpn-instance-x-af-ipv4]vpn-target 1:1
[R2-vpn-instance-x-af-ipv4]interface GigabitEthernet 0/0/0
[R2-GigabitEthernet0/0/0]ip binding vpn-instance x
[R2-GigabitEthernet0/0/0]ip address 192.168.2.2 24
 
 
[R2-GigabitEthernet0/0/0]ip vpn-instance b
[R2-vpn-instance-b]route-distinguisher 2:2
[R2-vpn-instance-b-af-ipv4]vpn-target 2:2
[R2-vpn-instance-b-af-ipv4]interface GigabitEthernet 0/0/2
[R2-GigabitEthernet0/0/2]ip binding vpn-instance b
[R2-GigabitEthernet0/0/2]ip address 192.168.2.2 24

[R4]ip vpn-instance a
[R4-vpn-instance-a]route-distinguisher 1:1
[R4-vpn-instance-a-af-ipv4]vpn-target 1:1
[R4-vpn-instance-a-af-ipv4]interface GigabitEthernet 0/0/1
[R4-GigabitEthernet0/0/1]ip binding vpn-instance a
[R4-GigabitEthernet0/0/1]ip address 192.168.3.2 24
 
 
[R4-GigabitEthernet0/0/1]ip vpn-instance b
[R4-vpn-instance-b]route-distinguisher 2:2
[R4-vpn-instance-b-af-ipv4]vpn-target 2:2
[R4-vpn-instance-b-af-ipv4]interface GigabitEthernet 0/0/2
[R4-GigabitEthernet0/0/2]ip binding vpn-instance b
[R4-GigabitEthernet0/0/2]ip address 192.168.3.2 24

6.ospf配置

[R1]ospf 2
[R1-ospf-2]area 0
[R1-ospf-2-area-0.0.0.0]network 192.168.1.0 0.0.0.255
[R1-ospf-2-area-0.0.0.0]network 192.168.2.0 0.0.0.255

[R2]ospf 2 vpn-instance a
[R2-ospf-2]area 0
[R2-ospf-2-area-0.0.0.0]network 192.168.2.0 0.0.0.255
 
[R2]ospf 3 vpn-instance b
[R2-ospf-3]area 0
[R2-ospf-3-area-0.0.0.0]network 192.168.2.0 0.0.0.255

[R6]ospf 3
[R6-ospf-3]area 0
[R6-ospf-3-area-0.0.0.0]network 192.168.1.0 0.0.0.255
[R6-ospf-3-area-0.0.0.0]network 192.168.2.0 0.0.0.255

[R4]ospf 2 vpn-instance a
[R4-ospf-2]area 0
[R4-ospf-2-area-0.0.0.0]network 192.168.3.0 0.0.0.255
 
 
[R4]ospf 3 vpn-instance b
[R4-ospf-3]area 0
[R4-ospf-3-area-0.0.0.0]network 192.168.3.0 0.0.0.255

[R5]ospf 2
[R5-ospf-2]area 0
[R5-ospf-2-area-0.0.0.0]network 192.168.3.0 0.0.0.255
[R5-ospf-2-area-0.0.0.0]network 192.168.4.0 0.0.0.255

[R7]ospf 3
[R7-ospf-3]area 0
[R7-ospf-3-area-0.0.0.0]network 192.168.3.0 0.0.0.255
[R7-ospf-3-area-0.0.0.0]network 192.168.4.0 0.0.0.255

7.配置bgp以及双向重发布

R2

[R2]bgp 1
[R2-bgp]peer 4.4.4.4 as-number 1
[R2-bgp]peer 4.4.4.4 connect-interface lo0
[R2-bgp]ipv4-family vpnv4
[R2-bgp-af-vpnv4]peer 4.4.4.4 enable
R4

[R4]bgp 1
[R4-bgp]peer 2.2.2.2 as-number 1
[R4-bgp]peer 2.2.2.2 connect-interface lo0
[R4-bgp]ipv4-family vpnv4
[R4-bgp-af-vpnv4]peer 2.2.2.2 enable

双向重发布

R2

[R2]bgp 1
[R2-bgp]ipv4-family vpn-instance a
[R2-bgp-a]import-route ospf 2
[R2-bgp-a]ipv4-family vpn-instance b
[R2-bgp-b]import-route ospf 3
 
[R2-bgp]ospf 2
[R2-ospf-2]import-route bgp
[R2-ospf-2]ospf 3
[R2-ospf-3]import-route bgp
R4 

[R4]bgp 1
[R4-bgp]ipv4-family vpn-instance a
[R4-bgp-a]import-route ospf 2
[R4-bgp-a]ipv4-family vpn-instance b
[R4-bgp-b]import-route ospf 3
 
[R4-bgp]ospf 2
[R4-ospf-2]import-route bgp
[R4-ospf-2]ospf 3
[R4-ospf-3]import-route bgp

实验结果