An unconfigured LANCOM device boots with an activated DHCP client and uses this to retrieve an IP address, netmask, DNS address, and gateway address from the network's DHCP server.
By means of the vendor-specific DHCP option 43, a suitably configured DHCP server sends information about how to reach an LSR (Large Scale Rollout) server, among other things. The rollout agent of the LANCOM device processes this information, contacts the LSR server and, according to the rollout strategy, it retrieves its configuration or updates its firmware.
This function simplifies the rollout process as the devices no longer have to be preconfigured.
The LSR server connects via HTTP, HTTPS or TFTP, in which case an SSL certificate needs to be stored on the LANCOM device to secure the connection.
It is also possible to configure (also partially) a rollout agent in advance. For example, the rollout server URL sent from the DHCP server can be adopted, although a project number in the device must be configured in advance.
