271
[PE3-bgp-default] peer 2.2.2.9 connect-interface loopback 0
[PE3-bgp-default] address-family vpnv4
[PE3-bgp-default-vpnv4] peer 2.2.2.9 enable
# Allow the local AS number to appear in the AS-PATH attribute of the routes received.
[PE3-bgp-default-vpnv4] peer 2.2.2.9 allow-as-loop 2
[PE3-bgp-default-vpnv4] quit
[PE3-bgp-default] quit
# Configure CE 1.
[CE1] bgp 200
[CE1-bgp-default] peer 1.1.1.9 as-number 200
[CE1-bgp-default] peer 1.1.1.9 connect-interface loopback 0
[CE1-bgp-default] address-family vpnv4
[CE1-bgp-default-vpnv4] peer 1.1.1.9 enable
[CE1-bgp-default-vpnv4] undo policy vpn-target
[CE1-bgp-default-vpnv4] quit
[CE1-bgp-default] quit
# Configure PE 4 and CE 2 in the same way that PE 3 and CE 1 are configured. (Details not
shown.)
497BVerifying the configuration
1. Display the public routing table and VPN routing table on the provider PEs, for example, on PE
1:
# Verify that the public routing table contains only routes on the service provider network.
[PE1] display ip routing-table
Destinations : 14 Routes : 14
Destination/Mask Proto Pre Cost NextHop Interface
0.0.0.0/32 Direct 0 0 127.0.0.1 InLoop0
3.3.3.9/32 Direct 0 0 127.0.0.1 InLoop0
4.4.4.9/32 IS_L1 15 10 30.1.1.2 Vlan2
30.1.1.0/24 Direct 0 0 30.1.1.1 Vlan2
30.1.1.0/32 Direct 0 0 30.1.1.1 Vlan2
30.1.1.1/32 Direct 0 0 127.0.0.1 InLoop0
30.1.1.255/32 Direct 0 0 30.1.1.1 Vlan2
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.0/32 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
127.255.255.255/32 Direct 0 0 127.0.0.1 InLoop0
224.0.0.0/4 Direct 0 0 0.0.0.0 NULL0
224.0.0.0/24 Direct 0 0 0.0.0.0 NULL0
255.255.255.255/32 Direct 0 0 127.0.0.1 InLoop0
# Verify that the VPN routing table contains sub-VPN routes.
[PE1] display ip routing-table vpn-instance vpn1
Destinations : 17 Routes : 17
Destination/Mask Proto Pre Cost NextHop Interface
0.0.0.0/32 Direct 0 0 127.0.0.1 InLoop0
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