D-Link DI-1750 Reference Manual page 155

Select ip option in the prompt, it will list all arguments:
(00)access-group
(01)address
(02)beigrp
(03)directed-broadcast
......
Please Input the code of command to be excute(0-19): 3
Input 3，select directed-broadcast option，prompt is as below：
(00)WORD - Access-list name
Please Input the code of command to be excute(0-0): 0
Input 0，select WORD option，prompt is as below：
Please input Access-list Name:
Input access-list-name.
Forward UDP Broadcast Packets
Network hosts occasionally use UDP broadcasts to determine address, configuration, and name
information. If such a host is on a network segment that does not include a server, UDP broadcasts are
normally not forwarded. You can remedy this situation by configuring the interface of your router to
forward certain classes of broadcasts to a helper address. You can have more than one helper address
per interface.
You can specify a UDP destination port to control which UDP services are forwarded. Current default
forward destination port is the UDP packets of NetBIOS name service (port 137).
To enable forwarding and to specify the destination address, perform the following command in
interface configuration mode:
Command
ip help-address address
Select ip option in the prompt, it will list all arguments:
(00)access-group
......
(05)helper-address
......
Please Input the code of command to be excute(0-19): 5
Input 5，select helper-address option，prompt is as below：
(00) A.B.C.D
Please Input the code of command to be excute(0-0): 0
Input 0，select A.B.C.D option，input IP address.
To specify which protocols will be forwarded, perform the following command in global configuration
mode:
Command
ip forward-protocol udp [port]
Input ip command，it will list all arguments:
(00)access-group
......
(09)forward-protocol
......
lease Input the code of command to be excute(0-20): 9
Input 9，select forward-protocol option，prompt is as below：
(00)udp
Please Input the code of command to be excute(0-0): 0
Input 0，select udp option，prompt is as below:
Model Name
Specify access control for packets
IP address
Enhanced Interior Gateway Routing Protocol
Enable forwarding of directed broadcasts
Enable forwarding and specify the destination address for
forwarding UDP broadcast packets.
Specify access control for packets
Specify a destination address for UDP broadcasts
IP destination address
Specify which protocols will be forwarded over which ports.
Specify access control for packets
Controls forwarding of directed IP broadcasts
Packets to a specific UDP port
- 153 -
Purpose
Purpose