3com 3031 Instruccion De Instalación
726
C
HAPTER
54: BGP/MPLS VPN C
ONFIGURATION
Networking Diagram
Figure 176 CE dual-home networking diagram
Configuration procedure
For details of the configuration of CE router refer to section “Integrated BGP/MPLS
VPN Networking Case”.
VPN Networking Case”.
1 Configure PE1
a Configure two VPN-instances 1.1 and 1.2 respectively for CE1 and CE2 on PE1,
set different VPN-targets for them.
[PE1]ip vpn-instance vpn-instance1.1
[PE1-vpn-vpn-instance1.1]route-distinguisher 1.1.1.1:1
[PE1-vpn-vpn-instance1.1]route-target 1.1.1.1:1
[PE1-vpn-vpn-instance1.1]vpn-target 2.2.2.2:1 import-extcommunity
[PE1-vpn-vpn-instance1.1]vpn-target 3.3.3.3:1 import-extcommunity
[PE1-vpn-vpn-instance1.1]quit
[PE1]ip vpn-instance vpn-instance1.2
[PE1-vpn-vpn-instance1.2]route-distinguisher 1.1.1.1:2
[PE1-vpn-vpn-instance1.2]route-target 1.1.1.1:2
[PE1-vpn-vpn-instance1.2]vpn-target 2.2.2.2:2 import-extcommunity
[PE1-vpn-vpn-instance1.2]vpn-target 3.3.3.3:2 import-extcommunity
[PE1-vpn-vpn-instance1.2]quit
b Set up EBGP adjacency between PE1 and CE1, import intra-CE1 VPN routes
learned into VPN-instance 1.1.
[PE1]bgp 100
[PE1-bgp]ipv4-family vpn-instance vpn-instance1.1
[PE1-bgp-af-vpn-instance] group 17211 external
AS:100
CE1
PE1
CE2
PE2
PE3
Loopback0
1.1.1.1/32
Loopback0
2.2.2.2/32
Loopback0
3.3.3.3/32
Ethernet1/0/0
172.11.11.2/24
Ethernet1/0/0
172.11.11.1/24
Ethernet2/0/0
172.21.21.2/24
Ethernet2/0/0
172.21.21.1/24
AS:65002
AS:65001
Ethernet2/0/0
172.12.12.1/24
Ethernet2/0/0
172.12.12.2/24
Ethernet1/0/0
172.22.22.2/24
Ethernet1/0/0
172.22.22.1/24
Pos3/0/0
10.1.1.1/24
Pos3/0/0
10.1.1.2/24
Pos4/0/0
30.1.1.2/24
Pos1/0/0
30.1.1.1/24
Pos4/0/0
20.1.1.1/24
Pos2/0/0
20.1.1.2/24
AS:65003
CE3
AS:65004
CE4
Ethernet1/0/0
192.168.13.2/24
Ethernet3/0/0
192.168.13.1/24
Ethernet4/0/0
192.168.23.1/24
Ethernet1/0/0
192.168.23.2/24