华为 BGP MPLS VPN 实验（一）单域
文章目录
-
- 华为单域BGP MPLS VPN实验
-
- 1.1 实验拓扑图
- 1.2 各设备IP地址基本配置及BGP设备环回口IGP互通示例
- 1.3 实例配置示例
- 1.4 MP-BGP配置示例
- 1.5 查看邻居表
- 1.6 在PE上对OSPF与BGP双向引入示例
- 1.7 查看PE上面学习到的CE的路由
- 1.8 测试结果
- 1.9 所有配置文件
华为单域BGP MPLS VPN实验
1.1 实验拓扑图
说明：1、R1 R2 R8为同一家公司，R8为总部，R2 R3为分支，与PE运行OSPF协议。
2、R3与R9为另一家公司，与PE运行BGP协议。
3、其他配置参数如上图所示。
1.2 各设备IP地址基本配置及BGP设备环回口IGP互通示例
【一、基础IP配置】
RT1的关键配置：
[RT1]int g0/0/0 //互联口
[RT1-GigabitEthernet0/0/0]ip add 14.1.1.1 24
[RT1-GigabitEthernet0/0/0]int l 0 //环回口
[RT1-LoopBack0]ip add 1.1.1.1 32
[RT1-LoopBack0]int l 10 //业务口
[RT1-LoopBack10]ip add 192.1.1.1 24
RT4的关键配置
[RT4]int g0/0/0
[RT4-GigabitEthernet0/0/0]ip add 14.1.1.4 24
[RT4-GigabitEthernet0/0/0]int g0/0/1
[RT4-GigabitEthernet0/0/1]ip add 24.1.1.4 24
[RT4-GigabitEthernet0/0/1]int g0/0/2
[RT4-GigabitEthernet0/0/2]ip add 34.1.1.4 24
[RT4-GigabitEthernet0/0/2]int g3/0/0
[RT4-GigabitEthernet3/0/0]ip add 45.1.1.4 24
[RT4-GigabitEthernet3/0/0]int l 0
[RT4-LoopBack0]ip add 4.4.4.4 32
RT5的关键配置
[RT5]int g0/0/0
[RT5-GigabitEthernet0/0/0]ip add 45.1.1.5 24
[RT5-GigabitEthernet0/0/0]int g0/0/1
[RT5-GigabitEthernet0/0/1]ip add 56.1.1.5 24
[RT5-GigabitEthernet0/0/1]int l 0
[RT5-LoopBack0]ip add 5.5.5.5 32
【二、BGP AS域内的OSPF配置】
RT4的关键配置
[RT4]ospf 1 rou 4.4.4.4
[RT4-ospf-1]a 0
[RT4-ospf-1-area-0.0.0.0]net 45.1.1.4 0.0.0.0
[RT4-ospf-1-area-0.0.0.0]netw 4.4.4.4 0.0.0.0
RT5的关键配置
[RT5]ospf 1 rou 5.5.5.5
[RT5-ospf-1]a 0
[RT5-ospf-1-area-0.0.0.0]netw 45.1.1.5 0.0.0.0
[RT5-ospf-1-area-0.0.0.0]netw 56.1.1.5 0.0.0.0
[RT5-ospf-1-area-0.0.0.0]netw 5.5.5.5 0.0.0.0
1.3 实例配置示例
【RT4的VPN配置】
[RT4]ip -instance 1
[RT4--instance-1]route-distinguisher 10:10
[RT4--instance-1-af-ipv4]-target 10:10 both
[RT4]int g0/0/0
[RT4-GigabitEthernet0/0/0]ip binding -instance 1 //接口与VPN实例关联
[RT4-GigabitEthernet0/0/0]ip add 14.1.1.4 24 //关联后IP被删除，需要重新配置
[RT4]ip -instance 2
[RT4--instance-2]route-distinguisher 20:20
[RT4--instance-2-af-ipv4]-target 20:20 both
[RT4-GigabitEthernet0/0/0]int g0/0/1
[RT4-GigabitEthernet0/0/1]ip bin 2
[RT4-GigabitEthernet0/0/1]ip add 24.1.1.4 24
[RT4]ip -instance 3
[RT4--instance-3]route-distinguisher 30:30
[RT4--instance-3-af-ipv4]-target 30:30 both
[RT4-GigabitEthernet0/0/1]int g0/0/2
[RT4-GigabitEthernet0/0/2]ip bin 3
[RT4-GigabitEthernet0/0/2]ip add 34.1.1.4 24
【RT7的VPN配置】
[RT7]ip -instance 4
[RT7--instance-4]route-distinguisher 40:40
[RT7--instance-4-af-ipv4]-target 10:10 20:20 both
[RT7]int g0/0/1
[RT7-GigabitEthernet0/0/1]ip bin 4
[RT7-GigabitEthernet0/0/1]ip add 78.1.1.7 24
[RT7]ip -instance 5
[RT7--instance-5]route-distinguisher 50:50
[RT7--instance-5-af-ipv4]-target 30:30 both
[RT7]int g0/0/2
[RT7-GigabitEthernet0/0/2]ip bin 5
[RT7-GigabitEthernet0/0/2]ip add 79.1.1.7 24
1.4 MP-BGP配置示例
【RT4的配置】
[RT4]mpls lsr-id 4.4.4.4
[RT4]mpls
[RT4]mpls ldp
[RT4]int g3/0/0
[RT4-GigabitEthernet3/0/0]mpls
[RT4-GigabitEthernet3/0/0]mpls ldp
[RT4]bgp 200
[RT4-bgp]router-id 4.4.4.4
[RT4-bgp]peer 7.7.7.7 as 200
[RT4-bgp]pee 7.7.7.7 con loop 0
[RT4-bgp]ipv4-family v4
[RT4-bgp-af-v4]peer 7.7.7.7 enable
【RT5的配置】
[RT5]mpls lsr-id 5.5.5.5
[RT5]mpls
[RT5]mpls ldp
[RT5]int g0/0/0
[RT5-GigabitEthernet0/0/0]mpls
[RT5-GigabitEthernet0/0/0]mpls ldp
[RT5]int g0/0/1
[RT5-GigabitEthernet0/0/1]mpls
[RT5-GigabitEthernet0/0/1]mpls ldp
【RT7的配置】
[RT7]mpls lsr 7.7.7.7
[RT7]mpls
[RT7]mpls ldp
[RT7]int g0/0/0
[RT7-GigabitEthernet0/0/0]mpls
[RT7-GigabitEthernet0/0/0]mpls ldp
[RT7]bgp 200
[RT7-bgp]router-id 7.7.7.7
[RT7-bgp]pee 4.4.4.4 as 200
[RT7-bgp]pee 4.4.4.4 con loop 0
[RT7-bgp]ipv4-family v4
[RT7-bgp-af-v4]pee 4.4.4.4 enable
1.5 查看邻居表
【RT4的邻居】
[RT4]dis bgp v4 all peer
BGP local router ID : 4.4.4.4
Local AS number : 200
Total number of peers : 1 Peers in established state : 1
Peer V AS MsgRcvd MsgSent OutQ Up/Down State PrefRcv
7.7.7.7 4 200 2 4 0 00:00:50 Established 0
[RT4]dis mpls ldp peer
LDP Peer Information in Public network
A '*' before a peer means the peer is being deleted.
------------------------------------------------------------------------------
PeerID TransportAddress DiscoverySource
------------------------------------------------------------------------------
5.5.5.5:0 5.5.5.5 GigabitEthernet3/0/0
------------------------------------------------------------------------------
TOTAL: 1 Peer(s) Found.
【RT5的邻居】
[RT5]dis mpls ldp peer
LDP Peer Information in Public network
A '*' before a peer means the peer is being deleted.
------------------------------------------------------------------------------
PeerID TransportAddress DiscoverySource
------------------------------------------------------------------------------
4.4.4.4:0 4.4.4.4 GigabitEthernet0/0/0
6.6.6.6:0 6.6.6.6 GigabitEthernet0/0/1
------------------------------------------------------------------------------
TOTAL: 2 Peer(s) Found.
【RT7的邻居】
[RT7]dis bgp v4 all peer
BGP local router ID : 7.7.7.7
Local AS number : 200
Total number of peers : 1 Peers in established state : 1
Peer V AS MsgRcvd MsgSent OutQ Up/Down State PrefRcv
4.4.4.4 4 200 6 6 0 00:04:12 Established 0
[RT7]dis mpls ldp peer
LDP Peer Information in Public network
A '*' before a peer means the peer is being deleted.
------------------------------------------------------------------------------
PeerID TransportAddress DiscoverySource
------------------------------------------------------------------------------
6.6.6.6:0 6.6.6.6 GigabitEthernet0/0/0
------------------------------------------------------------------------------
TOTAL: 1 Peer(s) Found.
1.6 在PE上对OSPF与BGP双向引入示例
【PE1的路由引入配置】
[RT1]ospf 1 rou 1.1.1.1
[RT1-ospf-1]a 0
[RT1-ospf-1-area-0.0.0.0]netw 14.1.1.1 0.0.0.0
[RT1-ospf-1-area-0.0.0.0]netw 1.1.1.1 0.0.0.0
[RT1-ospf-1-area-0.0.0.0]netw 192.1.1.1 0.0.0.255
[RT4]ospf 10 -instance 1 router-id 4.4.4.4 //ospf实例10与RT1对接
[RT4-ospf-10]import-route bgp
[RT4-ospf-10]a 0
[RT4-ospf-10-area-0.0.0.0]netw 14.1.1.4 0.0.0.0
[RT4]ospf 20 -instance 2 router-id 4.4.4.4 //ospf实例20与RT2对接
[RT4-ospf-20]import-route bgp
[RT4-ospf-20]a 0
[RT4-ospf-20-area-0.0.0.0]netw 24.1.1.4 0.0.0.0
[RT4]bgp 200
[RT4-bgp]ipv4-family -instance 1
[RT4-bgp-1]import-route ospf 10
[RT4-bgp]ipv4-family -instance 2
[RT4-bgp-2]import-route ospf 20
1.7 查看PE上面学习到的CE的路由
【PE1】
[RT4]dis ip routing-table -instance 1
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: 1
Destinations : 9 Routes : 9
Destination/Mask Proto Pre Cost Flags NextHop Interface
1.1.1.1/32 OSPF 10 1 D 14.1.1.1 GigabitEthernet0/0/0
8.8.8.8/32 IBGP 255 2 RD 7.7.7.7 GigabitEthernet3/0/0
14.1.1.0/24 Direct 0 0 D 14.1.1.4 GigabitEthernet0/0/0
14.1.1.4/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/0
14.1.1.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/0
78.1.1.0/24 IBGP 255 0 RD 7.7.7.7 GigabitEthernet3/0/0
192.1.1.1/32 OSPF 10 1 D 14.1.1.1 GigabitEthernet0/0/0
192.8.8.8/32 IBGP 255 2 RD 7.7.7.7 GigabitEthernet3/0/0
[RT4]dis ip routing-table -instance 2
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: 2
Destinations : 9 Routes : 9
Destination/Mask Proto Pre Cost Flags NextHop Interface
2.2.2.2/32 OSPF 10 1 D 24.1.1.2 GigabitEthernet0/0/1
8.8.8.8/32 IBGP 255 2 RD 7.7.7.7 GigabitEthernet3/0/0
24.1.1.0/24 Direct 0 0 D 24.1.1.4 GigabitEthernet0/0/1
24.1.1.4/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/1
24.1.1.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/1
78.1.1.0/24 IBGP 255 0 RD 7.7.7.7 GigabitEthernet3/0/0
192.2.2.2/32 OSPF 10 1 D 24.1.1.2 GigabitEthernet0/0/1
192.8.8.8/32 IBGP 255 2 RD 7.7.7.7 GigabitEthernet3/0/0
1.8 测试结果
【RT1 ping RT8】
【RT2 ping RT8】
【RT3 ping RT9】
1.9 所有配置文件
【RT1配置文件】
[RT1]dis cu
interface GigabitEthernet0/0/0
ip address 14.1.1.1 255.255.255.0
interface LoopBack0
ip address 1.1.1.1 255.255.255.255
interface LoopBack10
ip address 192.1.1.1 255.255.255.0
ospf 1 router-id 1.1.1.1
area 0.0.0.0
network 1.1.1.1 0.0.0.0
network 14.1.1.1 0.0.0.0
network 192.1.1.0 0.0.0.255
return
【RT2配置文件】
[RT2]dis cu
interface GigabitEthernet0/0/0
ip address 24.1.1.2 255.255.255.0
interface LoopBack0
ip address 2.2.2.2 255.255.255.255
interface LoopBack10
ip address 192.2.2.2 255.255.255.0
ospf 1 router-id 2.2.2.2
area 0.0.0.0
network 2.2.2.2 0.0.0.0
network 24.1.1.2 0.0.0.0
network 192.2.2.0 0.0.0.255
return
【RT3配置文件】
[RT3]dis cu
interface GigabitEthernet0/0/0
ip address 34.1.1.3 255.255.255.0
interface LoopBack0
ip address 3.3.3.3 255.255.255.255
interface LoopBack10
ip address 192.3.3.3 255.255.255.0
bgp 100
router-id 3.3.3.3
peer 34.1.1.4 as-number 200
#
ipv4-family unicast
undo synchronization
import-route direct
peer 34.1.1.4 enable
return
【RT4配置文件】
[RT4]dis cu
ip -instance 1
ipv4-family
route-distinguisher 10:10
-target 10:10 export-extcommunity
-target 10:10 import-extcommunity
#
ip -instance 2
ipv4-family
route-distinguisher 20:20
-target 20:20 export-extcommunity
-target 20:20 import-extcommunity
#
ip -instance 3
ipv4-family
route-distinguisher 30:30
-target 30:30 export-extcommunity
-target 30:30 import-extcommunity
#
mpls lsr-id 4.4.4.4
mpls
#
mpls ldp
#
interface GigabitEthernet0/0/0
ip binding -instance 1
ip address 14.1.1.4 255.255.255.0
#
interface GigabitEthernet0/0/1
ip binding -instance 2
ip address 24.1.1.4 255.255.255.0
#
interface GigabitEthernet0/0/2
ip binding -instance 3
ip address 34.1.1.4 255.255.255.0
#
interface GigabitEthernet3/0/0
ip address 45.1.1.4 255.255.255.0
mpls
mpls ldp
#
interface LoopBack0
ip address 4.4.4.4 255.255.255.255
#
bgp 200
router-id 4.4.4.4
peer 7.7.7.7 as-number 200
peer 7.7.7.7 connect-interface LoopBack0
#
ipv4-family unicast
undo synchronization
undo peer 7.7.7.7 enable
#
ipv4-family v4
policy -target
peer 7.7.7.7 enable
#
ipv4-family -instance 1
import-route ospf 10
#
ipv4-family -instance 2
import-route ospf 20
#
ipv4-family -instance 3
peer 34.1.1.3 as-number 100
#
ospf 1 router-id 4.4.4.4
area 0.0.0.0
network 4.4.4.4 0.0.0.0
network 45.1.1.4 0.0.0.0
#
ospf 10 router-id 4.4.4.4 -instance 1
import-route bgp
area 0.0.0.0
network 14.1.1.4 0.0.0.0
#
ospf 20 router-id 4.4.4.4 -instance 2
import-route bgp
area 0.0.0.0
network 24.1.1.4 0.0.0.0
return
【RT5配置文件】
[RT5]dis cu
mpls lsr-id 5.5.5.5
mpls
#
mpls ldp
#
interface GigabitEthernet0/0/0
ip address 45.1.1.5 255.255.255.0
mpls
mpls ldp
#
interface GigabitEthernet0/0/1
ip address 56.1.1.5 255.255.255.0
mpls
mpls ldp
interface LoopBack0
ip address 5.5.5.5 255.255.255.255
#
ospf 1 router-id 5.5.5.5
area 0.0.0.0
network 5.5.5.5 0.0.0.0
network 45.1.1.5 0.0.0.0
network 56.1.1.5 0.0.0.0
return
【RT6配置文件】
[RT6]dis cu
mpls lsr-id 6.6.6.6
mpls
#
mpls ldp
#
interface GigabitEthernet0/0/0
ip address 56.1.1.6 255.255.255.0
mpls
mpls ldp
#
interface GigabitEthernet0/0/1
ip address 67.1.1.6 255.255.255.0
mpls
mpls ldp
#
interface LoopBack0
ip address 6.6.6.6 255.255.255.255
#
ospf 1 router-id 6.6.6.6
area 0.0.0.0
network 6.6.6.6 0.0.0.0
network 56.1.1.6 0.0.0.0
network 67.1.1.6 0.0.0.0
return
【RT7配置文件】
[RT7]dis cu
ip -instance 4
ipv4-family
route-distinguisher 40:40
-target 10:10 20:20 export-extcommunity
-target 10:10 20:20 import-extcommunity
#
ip -instance 5
ipv4-family
route-distinguisher 50:50
-target 30:30 export-extcommunity
-target 30:30 import-extcommunity
#
mpls lsr-id 7.7.7.7
mpls
#
mpls ldp
#
interface GigabitEthernet0/0/0
ip address 67.1.1.7 255.255.255.0
mpls
mpls ldp
#
interface GigabitEthernet0/0/1
ip binding -instance 4
ip address 78.1.1.7 255.255.255.0
#
interface GigabitEthernet0/0/2
ip binding -instance 5
ip address 79.1.1.7 255.255.255.0
#
interface LoopBack0
ip address 7.7.7.7 255.255.255.255
#
bgp 200
router-id 7.7.7.7
peer 4.4.4.4 as-number 200
peer 4.4.4.4 connect-interface LoopBack0
#
ipv4-family unicast
undo synchronization
undo peer 4.4.4.4 enable
#
ipv4-family v4
policy -target
peer 4.4.4.4 enable
#
ipv4-family -instance 4
import-route ospf 10
#
ipv4-family -instance 5
peer 79.1.1.9 as-number 300
#
ospf 1 router-id 7.7.7.7
area 0.0.0.0
network 7.7.7.7 0.0.0.0
network 67.1.1.7 0.0.0.0
#
ospf 10 router-id 7.7.7.7 -instance 4
import-route bgp
area 0.0.0.0
network 78.1.1.7 0.0.0.0
return
【RT8配置文件】
[RT8]dis cu
interface GigabitEthernet0/0/0
ip address 78.1.1.8 255.255.255.0
interface LoopBack0
ip address 8.8.8.8 255.255.255.255
#
interface LoopBack10
ip address 192.8.8.8 255.255.255.0
#
ospf 1 router-id 8.8.8.8
area 0.0.0.0
network 8.8.8.8 0.0.0.0
network 78.1.1.8 0.0.0.0
network 192.8.8.0 0.0.0.255
return
【RT9配置文件】
[RT9]dis cu
interface GigabitEthernet0/0/0
ip address 79.1.1.9 255.255.255.0
interface LoopBack0
ip address 9.9.9.9 255.255.255.255
interface LoopBack10
ip address 192.9.9.9 255.255.255.0
#
bgp 300
peer 79.1.1.7 as-number 200
#
ipv4-family unicast
undo synchronization
import-route direct
peer 79.1.1.7 enable
return