IBM ADSL Bridge/ Router Heritage - Manual (Page 55)

4-10 Advanced Configurations
Now add the new settings for DHCP client.
>
ip device add Ethernet ether //edd dhcp ↵
>
dhcpclient config add timeout 300; ↵
>
dhcpclient config add retry 2000; ↵
>
dhcpclient config add reboot 500; ↵
> dhcpclient config add backoff-cutoff 240; ↵
>
dhcpclient config add interface “ethernet” { send
dhcp-client-identifier xx:xx:xx:xx:xx:xx; send dpch-lease-time 900; }
↵
(xx:xx:xx:xx:xx:xx is the Ethernet Mac address of your xDSL Router)
>
dhcpclient config confirm ↵
(confirm the new configuration)
>
config save ↵
(save the new configuration)
>
restart ↵
(after restart new configuration will take effect)