| add <ip-address>  | Specifies the IP address of the forwarder. A forwarder is a DNS server to which the SteelHead caching-name server will forward requests. Forwarder is added to the end of the index of forwarders by default.  | 
| idx <index> | Specifies the order in which the SteelHead contacts forwarder by assigning the forwarder a numeric position in the forwarder index. The SteelHead first sends a request to the forwarder with index 0, next to the forwarder with index 1, and so on, to an upper index limit of 2147483647. | 
| move <index> to <index> | Specifies the index number of the forwarder. Moves a forwarder from one index position to another. | 
| remove <index>  | Removes a forwarder from the index or an index list separated by commas. |