Examine or Change Lighthouse VPN network settings

The VPN network ranges for Lighthouse VPN (LHVPN) and Smart Management Fabric (SMF) can be set up or modified as follows:

On the Lighthouse dashboard, navigate to SETTINGS > SERVICES > Lighthouse VPN.

Set/Modify the following fields:

• ADDRESS SPACE: The range to be used for the VPN. This field has the following validation: The Address Space must be in the IPv4 Private Address Space, subnet must have enough space for the existing Enrolled Nodes to Lighthouse, cannot overlap with an existing subnet across lighthouse and the base address for the network range.

• CIDR SUBNET MASK: The Classless Inter-Domain Routing notation for the subnet mask for the VPN network.

• CALCULATED NODE CAPACITY: An auto-calculated field with the total number of usable nodes. The node capacity for Smart Management Fabric (SMF) will be smaller as it requires Lighthouse to reserve address spaces to be used internally.

The Maximum Transmission Unit (MTU) setting can be configured for traffic through the Lighthouse VPN.

The MTU is the size, in bytes, of the largest packet supported by a network layer protocol, including both headers and data.

To modify the MTU of the Lighthouse VPN tunnel select SETTINGS > SERVICES > Lighthouse VPN.

Allowed values are between 1280 and 1500.

Note:The Smart Management Fabric (SMF) MTU is based on a fixed offset off the LHVPN MTU.