MPLS实验

实验要求

实验拓扑

实验步骤

1. 配置IP地址

<Huawei>sys

[Huawei]sys r2

[r2]int g0/0/1

[r2-GigabitEthernet0/0/1]ip add 23.1.1.1 24

[r2-GigabitEthernet0/0/1]int loo0

[r2-LoopBack0]ip add 2.2.2.2 24

[r2-LoopBack0]q

[r2]ospf 1 router-id 2.2.2.2

[r2-ospf-1]area 0

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

[r2-ospf-1-area-0.0.0.0]network 23.1.1.0 255.255.255.0

2. 配置MPLS域

[r2]mpls lsr-id 2.2.2.2

[r2]mpls

[r2-mpls]mpls ldp

[r2-mpls-ldp]q

[r2]int g0/0/1

[r2-GigabitEthernet0/0/1]mpls

[r2-GigabitEthernet0/0/1]mpls ldp

[r3]mpls lsr-id 3.3.3.3

[r3]mpls

[r3-mpls]mpls ldp

[r3-mpls-ldp]q

[r3]int g0/0/0

[r3-GigabitEthernet0/0/0]mpls

[r3-GigabitEthernet0/0/0]mpls ldp

[r3-GigabitEthernet0/0/0]int g0/0/1

[r3-GigabitEthernet0/0/1]mpls

[r3-GigabitEthernet0/0/1]mpls ldp

[r4]mpls lsr-id 4.4.4.4

[r4]mpls

[r4-mpls]mpls ldp

[r4-mpls-ldp]q

[r4]int g0/0/0

[r4-GigabitEthernet0/0/0]mpls

[r4-GigabitEthernet0/0/0]mpls ldp

3. 配置MPLS、VPN

[r2]ip vpn-instance b1

[r2-vpn-instance-b1]ipv4-family

[r2-vpn-instance-b1-af-ipv4]route-distinguisher 1:1

[r2-vpn-instance-b1-af-ipv4]vpn-target 1:1

[r2-vpn-instance-b1-af-ipv4]q

[r2-vpn-instance-b1]q

[r2]int g0/0/0

[r2-GigabitEthernet0/0/0]ip binding vpn-instance b1

[r2-GigabitEthernet0/0/0]ip add 172.16.2.2 24

[r1]int g0/0/0

[r1-GigabitEthernet0/0/0]ip add 172.16.2.1 24

[r1-GigabitEthernet0/0/0]int loo0

[r1-LoopBack0]ip add 192.168.1.1 24

R4和R5配置

[r4]ip vpn-instance b2

[r4-vpn-instance-b2]ipv4-family

[r4-vpn-instance-b2-af-ipv4]route-distinguisher 1:1

[r4-vpn-instance-b2-af-ipv4]vpn-target 1:1

[r4-vpn-instance-b2-af-ipv4]q

[r4-vpn-instance-b2]q

[r4]int g0/0/1

[r4-GigabitEthernet0/0/1]ip binding vpn-instance b2

[r4-GigabitEthernet0/0/1]ip add 172.16.3.1 2

[r5]int g0/0/0

[r5-GigabitEthernet0/0/0]ip add 172.16.3.2 24

[r5-GigabitEthernet0/0/0]int loo0

[r5-LoopBack0]ip add 192.168.4.1 24

4.0PE与PE间建立MP-BPG邻居关系

[r2]bgp 2

[r2-bgp]router-id 2.2.2.2

[r2-bgp]peer 3.3.3.3 as-number 2

[r2-bgp]peer 3.3.3.3 connect-interface l0

[r2-bgp]peer 3.3.3.3 next-hop-local

[r2-bgp]peer 4.4.4.4 as-number 2

[r2-bgp]peer 4.4.4.4 next-hop-local

[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

[r3-bgp]peer 2.2.2.2 as-number 2

[r3-bgp]peer 2.2.2.2 next-hop-local

[r3-bgp]peer 2.2.2.2 connect-interface LoopBack 0

[r3-bgp]peer 4.4.4.4 as-number 2

[r3-bgp]peer 4.4.4.4 connect-interface LoopBack 0

[r3-bgp]peer 4.4.4.4 next-hop-local

[r4]bgp 2

[r4-bgp]router-id 4.4.4.4

[r4-bgp]peer 2.2.2.2 as-number 2

[r4-bgp]peer 2.2.2.2 next-hop-local

[r4-bgp]ipv4-family vpnv4

[r4-bgp-af-vpnv4]peer 2.2.2.2 enable

[r4-bgp]peer 3.3.3.3 as-number 2

[r4-bgp]peer 3.3.3.3 next-hop-local

[r4-bgp]peer 3.3.3.3 connect-interface lo0

CE端与PE端交互路由

[r2]ip route-static vpn-instance b1 192.168.1.0 24 192.168.2.1

[r2]bgp 2

[r2-bgp]ipv4-family vpnv4

[r2-bgp-af-vpnv4]q

将本地vrf空间内的静态和直连路由重发布到BGP协议传递到对端的PE

[r2-bgp]ipv4 vpn-instance b1

[r2-bgp-b1]import-route static

[r2-bgp-b1]import-route direct

[r1]ip route-static 192.168.4.0 255.255.255.0 172.16.2.2

[r4]ip route-static vpn-instance b2 192.168.4.0 24 172.16.3.2

[r4]bgp 2

[r4-bgp]ipv4 vpn-instance b2

[r4-bgp-b2]import-route static

[r4-bgp-b2]import-route direct

[r5]ip route-static 192.168.1.0 255.255.255.0 172.16.3.1

R6和R2之间配置

[r6]int g0/0/0

[r6-GigabitEthernet0/0/0]ip add 172.16.2.1 24

[r6-GigabitEthernet0/0/0]int loo0

[r6-LoopBack0]ip add 192.168.1.1 24

[r2]ip vpn-instance a1

[r2-vpn-instance-a1]ipv4-family

[r2-vpn-instance-a1-af-ipv4]route-distinguisher 2:2

[r2-vpn-instance-a1-af-ipv4]vpn-target 2:2

[r2-vpn-instance-a1-af-ipv4]q

[r2-vpn-instance-a1]q

[r2]int g0/0/2

[r2-GigabitEthernet0/0/2]ip binding vpn-instance a1

[r2-GigabitEthernet0/0/2]ip add 172.16.2.2 24

rip配置

[r6]rip

[r6-rip-1]version 2

[r6-rip-1]network 192.168.1.0

[r6-rip-1]network 172.16.0.0

[r2]rip vp

[r2]rip vpn-instance a1

[r2]rip vpn-instance a1

[r2-rip-1]ver 2

[r2-rip-1]network 172.16.0.0

rip重发布到BGP

[r2]bgp 2

[r2-bgp]ipv4-family vpn-instance a1

[r2-bgp-a1]import-route rip 1

BGP重发布到RIP

[r2]rip 1 vpn-instance a1

[r2-rip-1]import-route bgp

R4和R7之间配置

[r7]int g0/0/0

[r7-GigabitEthernet0/0/0]ip add 45.1.1.2 24

[r7-GigabitEthernet0/0/0]int g0/0/1

[r7-GigabitEthernet0/0/1]ip add 172.16.3.2 24

[r7-GigabitEthernet0/0/1]int loo0

[r7-LoopBack0]ip add 192.168.4.2 24

[r7]ospf 1 router-id 7.7.7.7

[r7-ospf-1]area 0

[r7-ospf-1-area-0.0.0.0]network 192.168.4.0 255.255.255.0

[r7-ospf-1-area-0.0.0.0]network 172.16.3.0 255.255.255.0

[r4]ip vpn-instance a2

[r4-vpn-instance-a1]ipv4-family

[r4-vpn-instance-a1-af-ipv4]route-distinguisher 2:2

[r4-vpn-instance-a1-af-ipv4]vpn-target 2:2

[r4]int g4/0/0

[r4-GigabitEthernet4/0/0]ip binding vpn-instance a2

[r4-GigabitEthernet4/0/0]ip add 172.16.3.1 24

[r4-ospf-1-area-0.0.0.0]network 45.1.1.0 255.255.255.0

[r4]ospf 2 vpn-instance a2

[r4-ospf-2]area 0

[r4-ospf-2-area-0.0.0.0]network 172.16.3.0 255.255.255.0

之后使用双向重发布，实现路由共享

[r4]bgp 2

[r4-bgp]ipv4-family vpn-instance a2

[r4-bgp-a]import-route ospf 2

[r4]ospf 2 vpn-instance a2

[r4-ospf-2]import-route bg

4. 结果