Chapter 24 UDP-Helper Configuration DGS-3610 Series Configuration Guide
24.2.2 Enable the Function of Relay and
Forwarding for UDP-Helper
DGS-3610(config)# udp-helper
enable
The Command udp-helper enable is used to enable
the function of relay and forward for UDP broadcast
packet. This function is disabled by default.
The command no udp-helper enable is used to disable the function of relay and forwarding
for the UDP.
1. The function of relay and forwarding is disabled by default.
2. When enabling the function of relay and forward for UDP broadcast
packets, the broadcast packets of UDP Ports 69, 53, 37, 137, 138 and
49 are relayed and forwarded by default.
3. When the function of relay and forward for UDP broadcast is disabled,
all of the configured UDP ports including the default ports are
cancelled.
24.2.3 Configuring Destination Server for
Relay and Forward
DGS-3610(config-if)# ip helper-address
IP-address
Configure the destination server to which the UDP
broadcast packets are relayed and forwarded. By
default, it is not configured.
The command no ip helper-address can be used to remove the destination server of relay
and forwarding.
1. At most 20 destination servers can be configured for one interface.
2. If the destination server for relay and forwarding is configured on a
specified interface, when the UDP-Helper is enabled, the broadcast
messages of specified UDP port received from this interface will be
sent to the destination server configured for this interface by means of
unicast.