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Multipoint Wireless Support for the Cisco uBR7200 Series Universal Broadband Router
radio helper-address
49
Cisco IOS Release 12.1(5)XM
radio helper-address
To specify an IP address of a Dynamic Host Configuration Protocol (DHCP) server where User
Datagram Protocol (UDP) broadcast packets are sent, use the radio helper-address interface
configuration command. You can specify a DHCP server for UDP broadcast packets from subscriber
units and a DHCP server for UDP broadcast packets from hosts. To disable the helper address for the
subscriber units, use the no form of this command.
radio helper-address ip-address subscriber | host
no radio helper-address ip-address subscriber | host
Syntax Description
Defaults No default behavior or values.
Command Modes Interface configuration
Command History
Examples The first of the following examples sets the downstream helper address to the DHCP server at IP address
10.x.x.x for UDP broadcast packets from the subscriber units, and the second example sets the
downstream helper address to the DHCP server at IP address 172.56.x.x for UDP broadcast packets
from hosts.
UBR(config-if)# radio helper 10.x.x.x subscriber
UBR(config-if)# radio helper 172.56.x.x host
ip-address IP address for the DHCP server.
subscriber Sets the downstream helper address to the DHCP server for UDP broadcast
packets from the subscriber units.
host Sets the downstream helper address to the DHCP server for UDP broadcast
packets from hosts.
Release Modification
12.1(3)XQ1 This command was introduced.