As of LCOS version 9.20, a device in an unconfigured state requests the vendor-specific DHCP option 43 from the DHCP server. The DHCP server can then send the device further information about how to contact the LSR or other roll-out server.
Note: The following LANCOM devices support this feature: L-3xx, L-4xx, L-13xx, L-151 LN-830, L-822, 178x-series OAPs, IAPs, WLCs, 7100(+), 9100(+), 831A, 1631E, E-series.