334
[SPE2-ospf-1-area-0.0.0.0] quit
[SPE2-ospf-1] quit
# Configure VPN instances vpn1 and vpn2.
[SPE2] ip vpn-instance vpn1
[SPE2-vpn-instance-vpn1] route-distinguisher 600:1
[SPE2-vpn-instance-vpn1 ] vpn-target 100:1 both
[SPE2-vpn-instance-vpn1] quit
[SPE2] ip vpn-instance vpn2
[SPE2-vpn-instance-vpn2] route-distinguisher 800:1
[SPE2-vpn-instance-vpn2] vpn-target 100:2 both
[SPE2-vpn-instance-vpn2] quit
# Configure SPE 2 to establish MP-IBGP peer relationship with UPE 2 and to inject VPN routes, and
specify UPE 2.
[SPE2] bgp 100
[SPE2-bgp] peer 4.4.4.9 as-number 100
[SPE2-bgp] peer 4.4.4.9 connect-interface loopback 0
[SPE2-bgp] peer 4.4.4.9 next-hop-local
[SPE2-bgp] peer 2.2.2.9 as-number 100
[SPE2-bgp] peer 2.2.2.9 connect-interface loopback 0
[SPE2-bgp] ipv4-family vpnv4
[SPE2-bgp-af-vpnv4] peer 2.2.2.9 enable
[SPE2-bgp-af-vpnv4] peer 4.4.4.9 enable
[SPE2-bgp-af-vpnv4] peer 4.4.4.9 upe
[SPE2-bgp-af-vpnv4] quit
[SPE2-bgp]ipv4-family vpn-instance vpn1
[SPE2-bgp-vpn1] quit
[SPE2-bgp]ipv4-family vpn-instance vpn2
[SPE2-bgp-vpn2] quit
[SPE2-bgp] quit
# Configure SPE 2 to advertise to UPE 2 the routes permitted by a routing policy, that is, the routes
of CE 1.
[SPE2] ip ip-prefix hope index 10 permit 10.2.1.1 24
[SPE2] route-policy hope permit node 0
[SPE2-route-policy] if-match ip-prefix hope
[SPE2-route-policy] quit
[SPE2] bgp 100
[SPE2-bgp] ipv4-family vpnv4
[SPE2-bgp-af-vpnv4] peer 4.4.4.9 upe route-policy hope export
Configuring OSPF sham links
Network requirements
As shown in Figure 40:
• CE 1 and CE 2 belong to VPN 1 and are connected to PE 1 and PE 2, respectively.
• CE 1 and CE 2 are in the same OSPF area.
• VPN traffic between CE 1 and CE 2 is required to be forwarded through the MPLS backbone,
instead of any route in the OSPF area.
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