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华为设备配置BGP/MPLS IP VPN地址空间重叠

 华为设备配置BGP/MPLS IP VPN地址空间重叠_华为

1.配置IP地址

[PE1-LoopBack0]ip add 1.1.1.1 32

[PE1-GigabitEthernet0/0/0]ip add 20.1.1.1 24

[P-LoopBack0]ip add 2.2.2.2 32

[P-GigabitEthernet0/0/0]ip add 20.1.1.2 24

[P-GigabitEthernet0/0/1]ip add 30.1.1.2 24

[PE2-LoopBack0]ip add 3.3.3.3 32

[PE2-GigabitEthernet0/0/0]ip add 30.1.1.3 24

[CE1-GigabitEthernet0/0/0]ip add 10.1.1.10 24

[CE2-GigabitEthernet0/0/0]ip add 10.1.1.10 24

[CE3-GigabitEthernet0/0/0]ip add 10.3.1.30 24

[CE4-GigabitEthernet0/0/0]ip add 10.3.1.30 24

2.在PE1、P、PE2配置OSPF协议

[PE1]ospf 1

[PE1-ospf-1]area 0

[PE1-ospf-1-area-0.0.0.0]network 20.1.1.0 0.0.0.255

[PE1-ospf-1-area-0.0.0.0]network 1.1.1.1 0.0.0.0

[P]ospf 1

[P-ospf-1]area 0

[P-ospf-1-area-0.0.0.0]network 20.1.1.0 0.0.0.255

[P-ospf-1-area-0.0.0.0]network 30.1.1.0 0.0.0.255

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

[PE2]ospf 1

[PE2-ospf-1]area 0

[PE2-ospf-1-area-0.0.0.0]network 3.3.3.3 0.0.0.0

[PE2-ospf-1-area-0.0.0.0]network 30.1.1.0 0.0.0.255

3. 在PE1、P、PE2配置MPLS基本能力和MPLS LDP,建立LDP LSP

[PE1]mpls lsr-id 1.1.1.1

[PE1]mpls

[PE1]mpls ldp  

[PE1-GigabitEthernet0/0/0]mpls      

[PE1-GigabitEthernet0/0/0]mpls ldp  

[P]mpls lsr-id 2.2.2.2

[P]mpls

[P]mpls ldp  

[P-GigabitEthernet0/0/0]mpls      

[P-GigabitEthernet0/0/0]mpls ldp  

[P-GigabitEthernet0/0/1]mpls      

[P-GigabitEthernet0/0/1]mpls ldp

[PE2]mpls lsr-id 3.3.3.3

[PE2]mpls

[PE2]mpls ldp

[PE2-GigabitEthernet0/0/0]mpls      

[PE2-GigabitEthernet0/0/0]mpls ldp

 华为设备配置BGP/MPLS IP VPN地址空间重叠_网络_02

4. 在PE设备上配置VPN实例,将CE接入PE

[PE1]ip vpn-instance vpna

[PE1-vpn-instance-vpna]ipv4-family

[PE1-vpn-instance-vpna-af-ipv4]route-distinguisher 100:100

[PE1-vpn-instance-vpna-af-ipv4]vpn-target 100:100 export-extcommunity  

[PE1-vpn-instance-vpna-af-ipv4]vpn-target 100:100 import-extcommunity

[PE1]ip vpn-instance vpnb

[PE1-vpn-instance-vpnb]ipv4-family

[PE1-vpn-instance-vpnb-af-ipv4]route-distinguisher 300:300

[PE1-vpn-instance-vpnb-af-ipv4]vpn-target 200:200 export-extcommunity  

[PE1-vpn-instance-vpnb-af-ipv4]vpn-target 200:200 import-extcommunity  

[PE1-GigabitEthernet0/0/1]ip binding vpn-instance vpna

[PE1-GigabitEthernet0/0/1]ip add 10.1.1.10 24  

[PE1-GigabitEthernet0/0/2]ip binding vpn-instance vpnb

[PE1-GigabitEthernet0/0/2]ip add 10.1.1.10 24  

[PE2]ip vpn-instance vpna

[PE2-vpn-instance-vpna]ipv4-family  

[PE2-vpn-instance-vpna-af-ipv4]route-distinguisher 200:200

[PE2-vpn-instance-vpna-af-ipv4]vpn-target 100:100 both  

[PE2]ip vpn-instance vpnb        

[PE2-vpn-instance-vpnb]ipv4-family    

[PE2-vpn-instance-vpnb-af-ipv4]route-distinguisher 400:400

[PE2-vpn-instance-vpnb-af-ipv4]vpn-target 200:200 both [PE2-GigabitEthernet0/0/1]ip binding vpn-instance vpna

[PE2-GigabitEthernet0/0/1]ip add 10.3.1.30 24  

[PE2-GigabitEthernet0/0/2]ip binding vpn-instance vpnb

[PE2-GigabitEthernet0/0/2]ip add 10.3.1.30 24  

 华为设备配置BGP/MPLS IP VPN地址空间重叠_网络_03

 华为设备配置BGP/MPLS IP VPN地址空间重叠_华为_04

5. 在PE之间建立MP-IBGP对等体关系

[PE1]bgp 100

[PE1-bgp]peer 3.3.3.3 as-number 100

[PE1-bgp]peer 3.3.3.3 connect-interface LoopBack 0

[PE1-bgp]ipv4-family vpnv4

[PE1-bgp-af-vpnv4]peer 3.3.3.3 enable

[PE1-bgp]ipv4-family vpn-instance vpna

[PE1-bgp-vpna]import-route direct  

[PE1-bgp]ipv4-family vpn-instance vpnb

[PE1-bgp-vpnb]import-route direct

[PE2]bgp 100

[PE2-bgp]peer 1.1.1.1 as-number 100

[PE2-bgp]peer 1.1.1.1 connect-interface LoopBack 0

[PE2-bgp]ipv4-family vpnv4

[PE2-bgp-af-vpnv4]peer 1.1.1.1 enable

[PE2-bgp]ipv4-family vpn-instance vpna

[PE2-bgp-vpna]import-route direct  

[PE2-bgp]ipv4-family vpn-instance vpnb

[PE2-bgp-vpnb]import-route direct  

6. 在CE1、CE2、CE3、CE4设备上配置到各自连接PE的静态路由

[CE1]ip route-static 0.0.0.0 0.0.0.0 10.1.1.1

[CE2]ip route-static 0.0.0.0 0.0.0.0 10.1.1.1

[CE3]ip route-static 0.0.0.0 0.0.0.0 30.1.1.3

[CE4]ip route-static 0.0.0.0 0.0.0.0 30.1.1.3

7. 检查配置

 华为设备配置BGP/MPLS IP VPN地址空间重叠_网络_05


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