IP Configuration Command Set
Configuring Broadcast Settings
Matrix DFE-Platinum and Diamond Series Configuration Guide 12-33
12.2.5.3 ip helper-address
Use this command to enable DHCP/BOOTP relay and the forwarding of local UDP broadcasts
specifying a new destination address. This command works in conjunction with the ip
forward-protocol command (Section 12.2.5.2), which defines the forward protocol and port
number. You can use this command to add more than one helper address per interface.
ip helper-address address
Syntax Description
Command Syntax of the “no” Form
The “no” form of this command disables the forwarding of UDP datagrams to the
specified address:
no ip helper-address address
Command Type
Router command.
Command Mode
Interface configuration: Matrix>Router(config-if(Vlan <vlan_id>))#
Command Defaults
None.
Example
This example shows how to permit UDP broadcasts from hosts on networks 191.168.1.255 and
192.24.1.255 to reach servers on those networks:
address Specifies a destination broadcast of host address used when
forwarding.
Matrix>Router(config)#ip forward-protocol udp
Matrix>Router(config)#interface vlan 1
Matrix>Router(config-if(Vlan 1))#ip helper-address 192.168.1.255
Matrix>Router(config)#interface vlan 2
Matrix>Router(config-if(Vlan 2))#ip helper-address 192.24.1.255
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