3Com 4210G Series Configuration Manual page 289

Figure 12-1 Network diagram for UDP Helper configuration
Configuration procedure
The following configuration assumes that a route from Switch A to the network segment 10.2.0.0/16 is
available.
# Enable UDP Helper.
<SwitchA> system-view
[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.
[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
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