H3C Technologies H3C S12500-X Series Switches - Manual (Page 184)

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[CE3-bgp] peer 100.1.1.2 as-number 100
[CE3-bgp] address-family ipv4 unicast
[CE3-bgp-ipv4] peer 100.1.1.2 enable
[CE3-bgp-ipv4] import-route direct
[CE3-bgp-ipv4] quit
[CE3-bgp] quit
# Configure PE 3.
[PE3] ip vpn-instance vpn1
[PE3-vpn-instance-vpn1] route-distinguisher 100:1
[PE3-vpn-instance-vpn1] vpn-target 1:1
[PE3-vpn-instance-vpn1] quit
[PE3] interface Vlan-interface11
[PE3-Vlan-interface11] ip binding vpn-instance vpn1
[PE3-Vlan-interface11] ip address 100.1.1.2 24
[PE3-Vlan-interface11] quit
[PE3] bgp 100
[PE3-bgp] ip vpn-instance vpn1
[PE3-bgp-vpn1] peer 100.1.1.1 as-number 65410
[PE3-bgp-vpn1] address-family ipv4 unicast
[PE3-bgp-ipv4-vpn1] peer 100.1.1.1 enable
[PE3-bgp-ipv4-vpn1] import-route direct
[PE3-bgp-ipv4-vpn1] quit
[PE3-bgp-vpn1] quit
[PE3-bgp] quit
# Configure PE 4 and CE 4 in the same way that PE 3 and CE 3 are configured. (Details not
shown.)
5. Configure MP-IBGP peer relationship between the PEs of the customer carrier to exchange the end
customers' VPN routes:
# Configure PE 3.
[PE3] bgp 100
[PE3-bgp] peer 6.6.6.9 as-number 100
[PE3-bgp] peer 6.6.6.9 connect-interface loopback 0
[PE3-bgp] address-family vpnv4
[PE3-bgp-vpnv4] peer 6.6.6.9 enable
[PE3-bgp-vpnv4] quit
[PE3-bgp] quit
# Configure PE 4 in the same way that PE 3 is configured. (Details not shown.)
Verifying the configuration
# Execute the display ip routing-table command on PE 1 and PE 2. The output shows that only routes of
the provider carrier network are present in the public network routing table of PE 1 and PE 2. Take PE 1
as an example:
[PE1] display ip routing-table
Routing Tables: Public
Destinations : 7 Routes : 7
Destination/Mask Proto Pre Cost NextHop Interface
3.3.3.9/32 Direct 0 0 127.0.0.1 InLoop0
4.4.4.9/32 ISIS 15 10 30.1.1.2 Vlan12