[SwitchA-Vlan-interface1] udp-helper server 10.2.1.1
# Enable the interface to receive directed broadcasts destined for the directly connected network.
[SwitchA-Vlan-interface1] ip forward-broadcast
Verifying the configuration
# Display information about packets forwarded by UDP helper on VLAN-interface 1.
[SwitchA-Vlan-interface1] display udp-helper interface vlan-interface 1
Interface
Vlan-interface1
Server address
10.2.1.1
Packets sent
5
111