Configuration procedure
Verify that a route from Switch A to the subnet 10.2.0.0/16 is available.
# Enable Switch A to receive directed broadcasts.
<SwitchA> system-view [SwitchA] ip forward-broadcast
# Enable UDP helper.
[SwitchA] udp-helper enable
# Enable the forwarding broadcast packets with the UDP destination port 55.
[SwitchA] udp-helper port 55
# Specify the destination server 10.2.1.1 on VLAN-interface 1 in public network.
[SwitchA] interface vlan-interface 1 [SwitchA-Vlan-interface1] ip address 10.110.1.1 16 [SwitchA-Vlan-interface1] udp-helper server 10.2.1.1