content_image/708008.jpg
Additional options that may be of interest while attempting to automate an install while using DHCP are: interface=auto netcfg/dhcp_timeout=60 which makes the machine choose the first vi- able NIC and be more patient about getting a reply to its DHCP query. 

Tip: An extensive example of how to use this framework, including example scripts and classes, can be found on the website of its developer (http://hands.com/d-i/). The examples available there also show many other nice effects that can be achieved by creative use of preconfiguration. 

## B.2.4. Aliases useful with preseeding 

The following aliases can be useful when using (auto mode) preseeding. Note that these are sim- ply short aliases for question names, and you always need to specify a value as well: for example, auto=true or interface=eth0 . 

<img src='content_image/708008.jpg'>

## B.2.5. Using a DHCP server to specify preconfiguration files 

It’s also possible to use DHCP to specify a preconfiguration file to download from the network. DHCP allows specifying a filename. Normally this is a file to netboot, but if it appears to be an URL then installation media that support network preseeding will download the file from the URL and use it as a preconfiguration file. Here is an example of how to set it up in the dhcpd.conf for version 3 of the 

