Local Network Services Provided by Nodes
In addition to zero touch provisioning (ZTP) services, the local node runs local services required to act as a bootstrap management LAN and secure WAN for managed devices, from day zero onwards.
When responding to a BOOTP/DHCP provisioning request from a device, the Operations Manager node hands out its own local address as:
Default Gateway
Devices trying to reach to destinations on the central LAN that Lighthouse resides on are securely routed over Lighthouse VPN. This allows devices to reach, for example, central NMS for monitoring, and central configuration systems for final service provisioning.
Requests to other remote destinations are masqueraded behind and routed out the node's built-in cellular WWAN, allowing devices to reach cloud provisioning services.
Note that device requests are masqueraded to Lighthouse's central IP and will appear to be originating from Lighthouse to hosts on the central LAN.
All traffic between remote node network and the central Lighthouse network is securely tunneled inside Lighthouse VPN.
DNS Server
DNS lookups from devices are securely proxied through Lighthouse VPN to the central DNS server(s) used by Lighthouse, allowing devices to resolve central hosts from day one.
NTP Server
The NTP Server allows devices to set accurate time on first boot, for example, for certificate verification and generation. By default, the node's NTP service uses its local hardware clock as time source.
Syslog Server
The Syslog Server relays messages to a central LogZilla instance (this is an optional extra module). This allows log collection from day zero, and analysis of the device ZTP process itself.