3Com 3C13636 Configuration Manual page 932

3Com Router 3000 Ethernet Family
Configuration Guide
II. Network diagram
Loopback0:
202.100.1.2/32
PE1
LSR ID:
172.1.1.2
Ethernet1:
168.1.1.2/16
CE1
AS 65001
Figure 3-22 Network diagram for Inter-Provider Backbones
III. Configuration procedure
The configuration procedures include:
Configuring OSPF on the MPLS backbone network
Configuring basic MPLS capability on the MPLS backbone network
Configuring VPN instances on PEs
Configuring MP-BGP
They are introduced below in order.
1) Configuring OSPF on the MPLS backbone network to make PEs learn routes from
each other
# Configure PE1.
[PE1] interface loopback0
[PE1-LoopBack0] ip address 202.100.1.2 255.255.255.255
[PE1-LoopBack0] quit
[PE1] interface pos1/0/0
[PE1-Pos1/0/0] ip address 172.1.1.2 255.255.0.0
[PE1-Pos1/0/0] quit
[PE1] ospf
[PE1-ospf-1] area 0
[PE1-ospf-1-area-0.0.0.0] network 172.1.0.0 0.0.255.255
[PE1-ospf-1-area-0.0.0.0] network 202.100.1.2 0.0.0.0
[PE1-ospf-1-area-0.0.0.0] quit
[PE1-ospf-1] quit
# Configure ASBR-PE1.
BGP/MPLS Backbone
AS 100
Loopback0:
202.100.1.1/32
Pos2/0/0:
Pos1/0/0:
192.1.1.1/24
172.1.1.1/16
ASBR -PE1
LSR ID:172.1.1.1
Pos1/0/0:
172.1.1.2/16
Ethernet2/0/0:
168.1.1.1/16
3Com Corporation
Chapter 3 BGP/MPLS VPN Configuration
BGP/MPLS Backbone
AS 200
Loopback0:
202.200.1.1/32
Pos2/0/0:
Pos1/0/0:
192.1.1.2/24
162.1.1.1/16
ASBR-PE2
LSR ID:162.1.1.1
162.1.1.2/16
3-70
Loopback0:
200.200.1.2/32
Pos1/0/0:
PE2
Ethernet2/0/0:
LSR ID:
168.2.2.1/16
162.1.1.2
Ethernet1:
168.2.2.2/16
CE2
AS 65002