实验7 MPLS实验

 

 公网配置

[r2]int l0
[r2-LoopBack0]ip address 2.2.2.2 24
[r2-LoopBack0]int g 0/0/2
[r2-GigabitEthernet0/0/2]ip address 23.0.0.1 24
 

[r3]int l0
[r3-LoopBack0]ip address 3.3.3.3 24
[r3-LoopBack0]int g 0/0/0
[r3-GigabitEthernet0/0/0]ip address 23.0.0.2 24
[r3-GigabitEthernet0/0/0]int g 0/0/1
[r3-GigabitEthernet0/0/1]ip address 34.0.0.1 24

[r4]int l0
[r4-LoopBack0]ip address 4.4.4.4 24
[r4-LoopBack0]int g 0/0/0
[r4-GigabitEthernet0/0/0]ip address 34.0.0.2 24

--------------------------------------------------------------------

[r2]ospf 1 router-id 2.2.2.2
[r2-ospf-1]a 0
[r2-ospf-1-area-0.0.0.0]network 23.0.0.0 0.0.0.255
[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]a 0
[r3-ospf-1-area-0.0.0.0]network 23.0.0.0 0.0.0.255
[r3-ospf-1-area-0.0.0.0]network 34.0.0.0 0.0.0.255
[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]a 0
[r4-ospf-1-area-0.0.0.0]network 34.0.0.0 0.0.0.255
[r4-ospf-1-area-0.0.0.0]network 4.4.4.4 0.0.0.0

-------------------------------------------------------------------------

[r2]mpls lsr-id 2.2.2.2
[r2]mpls
Info: Mpls starting, please wait... OK!
[r2-mpls]mpls ldp
[r2-mpls-ldp]int g 0/0/2
[r2-GigabitEthernet0/0/2]mpls
[r2-GigabitEthernet0/0/2]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]int g 0/0/0
[r3-GigabitEthernet0/0/0]mpls
[r3-GigabitEthernet0/0/0]mpls ldp
[r3-GigabitEthernet0/0/0]int g 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]int g 0/0/0
[r4-GigabitEthernet0/0/0]mpls
[r4-GigabitEthernet0/0/0]mpls ldp

私网配置

客户A

[r2]ip vpn-instance a
[r2-vpn-instance-a]route-distinguisher 100:100
[r2-vpn-instance-a-af-ipv4]vpn-target 100:1 export-extcommunity 
[r2-vpn-instance-a-af-ipv4]vpn-target 100:2 import-extcommunity
[r2-vpn-instance-a-af-ipv4]int g 0/0/0  
[r2-GigabitEthernet0/0/0]ip binding vpn-instance a
[r2-GigabitEthernet0/0/0]ip address 192.168.2.2 24

[r1]int g 0/0/0
[r1-GigabitEthernet0/0/0]ip address 192.168.2.1 24
[r1-GigabitEthernet0/0/0]int l0
[r1-LoopBack0]ip address 192.168.1.1 24

[r4]ip vpn-instance c
[r4-vpn-instance-c]route-distinguisher 100:200
[r4-vpn-instance-c-af-ipv4]vpn-target 100:1 import-extcommunity 
[r4-vpn-instance-c-af-ipv4]vpn-target 100:2 export-extcommunity
[r4-vpn-instance-c-af-ipv4]int g 0/0/1
[r4-GigabitEthernet0/0/1]ip binding vpn-instance c
[r4-GigabitEthernet0/0/1]ip address 192.168.3.1 24

[r5]int g 0/0/0
[r5-GigabitEthernet0/0/0]ip address 192.168.3.2 24
[r5-GigabitEthernet0/0/0]int l0
[r5-LoopBack0]ip address 192.168.4.1 24

客户B

[r2]ip vpn-instance b
[r2-vpn-instance-b]route-distinguisher 100:300
[r2-vpn-instance-b-af-ipv4]vpn-target 100:3 export-extcommunity 
[r2-vpn-instance-b-af-ipv4]vpn-target 100:4 import-extcommunity
[r2-vpn-instance-b]int g 0/0/1
[r2-GigabitEthernet0/0/1]ip binding vpn-instance b
[r2-GigabitEthernet0/0/1]ip address 192.168.5.1 24
 

[r6]int g 0/0/0
[r6-GigabitEthernet0/0/0]ip address 192.168.5.2 24
[r6-GigabitEthernet0/0/0]int l0
[r6-LoopBack0]ip address 192.168.6.1 24

[r4]ip vpn-instance d
[r4-vpn-instance-d]route-distinguisher 100:400  
[r4-vpn-instance-d-af-ipv4]vpn-target 100:3 import-extcommunity 
[r4-vpn-instance-d-af-ipv4]vpn-target 100:4 export-extcommunity
[r4-vpn-instance-d-af-ipv4]int g 0/0/2
[r4-GigabitEthernet0/0/2]ip binding vpn-instance d
[r4-GigabitEthernet0/0/2]ip address 192.168.7.1 24
 

[r7]int g 0/0/0
[r7-GigabitEthernet0/0/0]ip address 192.168.7.2 24
[r7-GigabitEthernet0/0/0]int l0
[r7-LoopBack0]ip address 192.168.8.1 24

 

配置路由

静态

[r1]ip route-static 192.168.3.0 24 192.168.2.2
[r1]ip route-static 192.168.4.0 24 192.168.2.2

[r2]ip route-static vpn-instance a 192.168.1.0 24 192.168.2.1

 [r5]ip route-static 192.168.1.0 24 192.168.3.1
[r5]ip route-static 192.168.2.0 24 192.168.3.1

[r4]ip route-static vpn-instance c 192.168.4.0 24 192.168.3.2

 R2-R4上启动BGP协议，获取路由信息

[r2]bgp 1
[r2-bgp]router-id 2.2.2.2 
[r2-bgp]peer 4.4.4.4 as-number 1 
[r2-bgp]peer 4.4.4.4 connect-interface LoopBack 0
[r2-bgp]ipv4-family vpnv4
[r2-bgp-af-vpnv4]peer 4.4.4.4 enable
[r2-bgp-af-vpnv4]q
 
[r2-bgp]ipv4-family vpn-instance a
[r2-bgp-a]import-route static
[r2-bgp-a]import-route direct

[r4]bgp 1
[r4-bgp]router-id 4.4.4.4
[r4-bgp]peer 2.2.2.2 as-number 1
[r4-bgp]peer 2.2.2.2 connect-interface LoopBack 0
[r4-bgp]ipv4-family vpnv4
[r4-bgp-af-vpnv4]peer 2.2.2.2 enable
[r4-bgp-af-vpnv4]q
[r4-bgp]ipv4-family vpn-instance c
[r4-bgp-c]import-route direct
[r4-bgp-c]import-route static

 动态

[r6]rip
[r6-rip-1]v 2
[r6-rip-1]network 192.168.5.0
[r6-rip-1]network 192.168.6.0
 

[r2]rip 1 vpn-instance b
[r2-rip-1]v     
[r2-rip-1]v 2
[r2-rip-1]network 192.168.5.0
 

[r7]ospf 1 router-id 7.7.7.7
[r7-ospf-1]a 0
[r7-ospf-1-area-0.0.0.0]network 192.168.7.0 0.0.0.255
[r7-ospf-1-area-0.0.0.0]network 192.168.8.0 0.0.0.255
 

[r4]ospf 2 vpn-instance d router-id 4.4.4.4
[r4-ospf-2]a 0
[r4-ospf-2-area-0.0.0.0]network 192.168.7.0 0.0.0.255
---------------------------

[r2]bgp 1 
[r2-bgp]ipv4-family vpn-instance b
[r2-bgp-b]import-route rip 1
[r2]rip
[r2-rip-1]import-route bgp
 

[r4]ospf 2
[r4-ospf-2]import-route bgp
[r4]bgp 1
[r4-bgp]ipv4-family vpn-instance d
[r4-bgp-d]import-route ospf 2