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Configuration procedure
1. Configure IP addresses for the interfaces as shown in Figure 9. (Details not shown.)
2. Configure ARP suppression on Router A:
# Create a cross-connect group named vpna and create a cross-connect named svc in the
group.
<RouterA> system-view
[RouterA] xconnect-group vpna
[RouterA-xcg-vpna] connection svc
# Enable ARP suppression for the cross-connect svc in cross-connect group vpna.
[RouterA-xcg-vpna-svc] arp suppression enable
Verifying the configuration
1. On the base station, clear ARP entries, and ping the L3VE interface VE-L3VPN 1 of Router B.
(Details not shown.)
2. Verify that Router A has ARP suppression entries for the base station and Router B.
[RouterA-xcg-vpna-svc] display arp suppression xconnect-group
IP address MAC address Xconnect-group Connection Aging
10.1.1.1 00e0-fc04-582c vpna svc 25
10.1.1.3 0023-89b7-0861 vpna svc 25
3. Enable ARP debugging on Router B to verify that Router B does not receive an ARP request
from the base station under the following conditions (details not shown):
a. Clear ARP entries on the base station.
b. Ping the L3VE interface VE-L3VPN 1 of Router B from the base station.
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