+If this variable is set, dhcp and static configuration are just skipped and the system will use the (must be) media-preconfigured /etc/network/interfaces instead.
+.TP
+.BI "{live-media|bootfrom}=" DEVICE
+If you specify one of this two equivalent forms, casper will first try to find this device for the "/casper" directory where the read-only root filesystem should reside. If it did not find something usable, the normal scan for block devices is performed.
+.TP
+.BI "{live-media-encryption|encryption}=" TYPE
+Casper will mount the encrypted rootfs TYPE, asking the passphrase, useful to build paranoid live systems :-). TYPE supported so far are "aes" for loop-aes encryption type.
+.TP
+.BI "live-media-offset=" BYTES
+This way you could tell casper that your image starts at offset BYTES in the above specified or autodiscovered device, this could be useful to hide the debian-live iso or image inside another iso or image, to create "clean" images.
+.TP
+.BI "live-media-timeout=" SECONDS
+Set the timeout in seconds for the device specified by "live-media=" to become ready before giving up.