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The LARK appliance ships with a defined default hostname and IP address, both of which are documented on the delivery record included with your unit. Understanding the naming and addressing conventions used by the appliance helps you locate it on the network, integrate it with your existing infrastructure, and avoid conflicts when deploying multiple units.
If the default hostname or IP address conflicts with your existing network infrastructure, both can be customized during the setup process. Contact your deployment guide or refer to the system admin panel at https://<appliance-address>/admin to adjust network settings after first access.

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Default Hostname and IP Address

Each LARK appliance is assigned a default hostname and IP address at the factory. These values are printed on the delivery record and uniquely identify the unit on its local network segment. When you power on the appliance and connect it to your switch, it will be reachable at these defaults without any additional configuration. Always refer to the delivery record for the exact values assigned to your unit. Do not assume defaults are shared across units.

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Local Segment Layout

In a typical switch-based deployment, the LARK and the analyst laptops or workstations it serves are placed on a dedicated local network segment. This segment uses a defined subnet, with the switch, the LARK appliance, and connected clients each assigned an address within that range. The specific subnet in use for your deployment is documented on the delivery record. Ensure that any laptop or workstation used to access LARK web applications is configured with an address on the same subnet as the appliance.

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Multiple LARK Appliances on the Same Network

If you are deploying more than one LARK appliance on the same network segment, each unit must have a unique hostname and a unique IP address. Duplicate addresses will cause network conflicts and may render one or both appliances inaccessible.
Do not place two LARK appliances on the same subnet using their factory default addresses without first updating at least one unit’s addressing. Default values are predictable and may be identical across units.
When operating multiple units, establish a naming convention that clearly distinguishes each appliance — for example, incorporating a site identifier, unit number, or deployment role into the hostname. Update the IP address of any additional units before connecting them to the shared segment.

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Customizing Addressing

You can change the appliance’s hostname and IP address during initial setup or at any time through the system admin panel. If you modify default addressing, update your own records accordingly and inform any analysts who access the appliance by hostname or IP.
If your environment uses DNS, register the LARK’s hostname and IP address in your DNS server to allow name-based access from analyst workstations. This is optional but simplifies multi-user access and reduces dependence on IP address recall.
For a complete list of web application URLs that depend on the appliance address, see the Application URLs page.