发布时间 : 星期二 文章MPLS VPN 实验手册(cisco)更新完毕开始阅读
MPLS VPN 实验
一、拓朴图
说明：
1、设备接互联地址：如R1与R2间的互联地址为10.1.12.0/24；LOOKBACK接口地址为：1.1.1.1/32；
2、CORE内运行OSPF（进行号100,area 0）,激活MPLS； 3、PE上创建VRF（VPNA），PE与CE间通过OSPF互联（进程号：1）； 4、R2与R4两台PE间建立MP-IBGP邻接关系，（BGP AS234） 5、完成PE-CE间的路由重发布；
二、配置信息：
R1：（CE1）
R1#show run
!
hostname R1 ! ip cef !
interface Loopback0
ip address 1.1.1.1 255.255.255.255 ip ospf network point-to-point !
interface FastEthernet0/0
ip address 10.1.12.1 255.255.255.0 duplex auto speed auto mpls ip !
interface FastEthernet0/1 no ip address shutdown duplex auto speed auto !
router ospf 1 router-id 1.1.1.1
log-adjacency-changes
network 1.1.1.1 0.0.0.0 area 0 network 10.1.12.1 0.0.0.0 area 0 ! ! end
R1#
session-192.168.197.1 2001-20170116.log
R2：（PE1）
R2#
R2#show run !
hostname R2 ! ip cef !
ip vrf vpna
rd 1:1
route-target export 234:2 route-target import 234:4 !
mpls label range 200 299 mpls ldp router-id Loopback0 ! !
interface Loopback0
ip address 2.2.2.2 255.255.255.255 !
interface FastEthernet0/0 ip vrf forwarding vpna
ip address 10.1.12.2 255.255.255.0 duplex auto speed auto !
interface FastEthernet0/1
ip address 10.1.23.2 255.255.255.0 duplex auto speed auto mpls ip !
router ospf 1 vrf vpna log-adjacency-changes
redistribute bgp 234 subnets network 10.1.12.2 0.0.0.0 area 0 !
router ospf 100 router-id 2.2.2.2
log-adjacency-changes
network 2.2.2.2 0.0.0.0 area 0 network 10.1.23.2 0.0.0.0 area 0 !
router bgp 234
bgp router-id 2.2.2.2
no bgp default ipv4-unicast bgp log-neighbor-changes
neighbor 4.4.4.4 remote-as 234
neighbor 4.4.4.4 update-source Loopback0 !
address-family vpnv4 neighbor 4.4.4.4 activate
neighbor 4.4.4.4 send-community extended
exit-address-family !
address-family ipv4 vrf vpna
redistribute ospf 1 vrf vpna match internal external 1 external 2 no auto-summary no synchronization exit-address-family ! ! end
R2#
session-192.168.197.1 2002-20170116.log
R3：（P）
R3#
R3#show run !
hostname R3 ! ip cef !
mpls label range 300 399 mpls ldp router-id Loopback0 ! !
interface Loopback0
ip address 3.3.3.3 255.255.255.255 !
interface FastEthernet0/0
ip address 10.1.23.3 255.255.255.0 duplex auto speed auto mpls ip !
interface FastEthernet0/1
ip address 10.1.34.3 255.255.255.0 duplex auto