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