322
Vlan-int1
100.1.1.2/24
Vlan-int1
120.1.1.2/24
Vlan-int2
10.1.1.1/24
Vlan-int2
10.1.1.2/24
Switch A
Vlan-int1
20.1.1.2/24
Vlan-int2
30.1.1.1/24
Configuration procedure
1.
Configure OSPF on the customer networks.
Configure conventional OSPF on CE 1, Switch A, and CE 2 to advertise segment addresses of the
interfaces as shown in
After completing the configurations, CE 1 and CE 2 should be able to learn the OSPF route to the
VLAN interface 1 of each other. The following takes CE 1 as an example:
<CE1> display ip routing-table
Routing Tables: Public
Destinations : 9 Routes : 9
Destination/Mask Proto Pre Cost NextHop Interface
20.1.1.0/24 Direct 0 0 20.1.1.1 Vlan2
20.1.1.1/32 Direct 0 0 127.0.0.1 InLoop0
20.1.1.2/32 Direct 0 0 20.1.1.2 Vlan2
30.1.1.0/24 OSPF 10 3124 20.1.1.2 Vlan2
100.1.1.0/24 Direct 0 0 100.1.1.1 Vlan1
100.1.1.1/32 Direct 0 0 127.0.0.1 InLoop0
120.1.1.0/24 OSPF 10 3125 20.1.1.2 Vlan2
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
2.
Configure MPLS L3VPN on the backbone.
# Configure basic MPLS and MPLS LDP on PE 1 to establish LDP LSPs.
<PE1> system-view
[PE1] interface loopback 0
[PE1-LoopBack0] ip address 1.1.1.9 32
[PE1-LoopBack0] quit
[PE1] mpls lsr-id 1.1.1.9
[PE1] mpls
[PE1-mpls] quit
[PE1] mpls ldp
[PE1-mpls-ldp] quit
[PE1] interface vlan-interface 2
[PE1-Vlan-interface2] ip address 10.1.1.1 24
[PE1-Vlan-interface2] mpls
[PE1-Vlan-interface2] mpls ldp
[PE1-Vlan-interface2] quit
# Configure PE 1 to take PE 2 as the MP-iBGP peer.
[PE1] bgp 100
[PE1-bgp] peer 2.2.2.9 as-number 100
[PE1-bgp] peer 2.2.2.9 connect-interface loopback 0
[PE1-bgp] ipv4-family vpnv4
[PE1-bgp-af-vpnv4] peer 2.2.2.9 enable
[PE1-bgp-af-vpnv4] quit