cable helper-address — interface
ip-address[cable-modem | host ] no cable helper-address
ip-address[cable-modem | host ]
DHCP destination address
This command specifies an IP address of a DHCP server to use for UDP broadcasts from cable modems or other hosts. The
cable-modem option specifies that only cable modem UDP broadcasts are forwarded while the
host option specifies that only host UDP broadcasts are forwarded.