Avalanche powered by Wavelink

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Mobile Device Server Profile General Configuration

The general settings for a mobile device server profile include security, terminal IDs, logging, licenses, secondary servers, and settings for how the server handles mobile device information.

Server Security

Avalanche supports encryption and authentication methods to prevent unauthorized mobile devices from accessing your network.

Avalanche offers two options for encryption:

Transport Encryption	Matches the level of encryption with the capacity of the mobile device. Communication between the mobile device server and mobile devices will be encrypted to the degree possible.
Strict Transport Encryption	Uses AES encryption for information. Only Enablers that support AES encryption (Enabler 5.0 or newer) will be able to connect to the server when strict transport encryption is enabled.

Avalanche offers two options for authentication:

Mobile Device Authentication

Requires mobile devices to initially connect to the server through a serial connection (RS232) and receive an authentication key. When you enable this option, the Mobile Device Server will challenge any device attempting to connect to the server for a password. If the mobile device does not have the correct password, the Mobile Device Server will not allow a TCP/IP connection.

If an environment involves mobile devices roaming from one server to another, it is strongly recommended that you do NOT activate mobile device authentication.

Server Authentication

Forces mobile devices to communicate with a single known server. Mobile devices must first connect to the network through a serial connection (RS232) to receive information about the server with which they are allowed to communicate. When you enable this option, the mobile device will challenge any Mobile Device Server attempting contact for a password. If the Mobile Device Server does not have the correct password, the mobile device will not allow a TCP/IP connection.

Both authentication options require mobile devices to connect to the network through a serial connection to receive authentication information before they will be allowed to connect wirelessly.

Server Resources

A Mobile Device Server profile allows you to configure the following aspects of server resources:

Serial Ports reserved for management

Configures a Mobile Device Server to automatically listen for mobile devices using the serial ports on a remote system. Only one application on a host system can maintain ownership of a serial port. If the Mobile Device Server controls the serial ports on the host system, then no other application will be able to use them. Likewise, if another application on the host system (for example, Microsoft ActiveSync) has control of the serial ports, then the Mobile Device Server will not be able to use them. If you list more than one port, separate them with semicolons. For example: COM1;COM2

Serial connections are required to implement Mobile Device and Server Authentication methods.

Restrict number of concurrent devices

Allows only the specified number of devices to update simultaneously.

Device Folder Assignment

A Mobile Device Server profile allows you to dynamically assign mobile devices to specific folders based on the selection criteria of the device and change their folder assignment automatically if device properties change:

Dynamic by selection criteria

Allows devices to be dynamically reassigned to a folder with matching selection criteria each time the device checks in with Avalanche.

The mobile device server assigns devices to specific groups and folders based on selection criteria. The properties of a device determine its folder placement on Avalanche, and thus the payloads it receives. By selecting this option, each time a mobile device checks in, it is assigned to a folder with selection criteria matching the device's properties. If the device properties haven't changed, it stays in the same folder. If they have changed, the device is reassigned to a folder with the new selection criteria and receives the payloads associated with that location.

If this option isn't selected, when a device is assigned to a group and folder, it remains in that location even if the device's properties are altered to match another folder's selection criteria.

Terminal ID

A Mobile Device Server profile allows you to configure how terminal IDs are determined:

Terminal ID Range

The Mobile Device Server assigns each device a terminal ID the first time that the device communicates with the Mobile Device Server. The number the Mobile Device Server selects is the lowest number available in a range of numbers you can configure.

You also have the option to use a C‑style format to create a template for the terminal ID range. For example, Seattle‑%d would generate IDs such as Seattle‑4, and Seattle‑%05d would generate IDs such as Seattle‑00004.

To change a terminal ID that has already been assigned to a device, click Edit Terminal ID on the Properties tab of the Mobile Device Details dialog box.

Server Logging

A Mobile Device Server profile has the following logging settings:

Logging

The current Avalanche log file is saved as Avalanche.log to the <Avalanche Installation Directory>\Service directory. Once the current log file reaches the maximum size, it is saved as Avalanche.log.<num> (where <num> is a number between 000 and 999), and a new Avalanche.log file is created.

The following logging options are available on a Mobile Device Server:

Critical. Writes the least information to the log file, reporting only critical errors that have caused the Mobile Device Server to crash.

Error. Writes errors that are caused by configuration and/or communication problems as well as and Critical messages to the log file.

Warning. Writes Critical messages, Error messages, and indicates possible operational problems in the log file.

Info. The recommended logging level. This logging level documents the flow of operation and writes enough information to the log file to diagnose most problems.

Debug. Writes large amounts of information to the log file that can be used to diagnose problems.

Max Log Size. Specifies the maximum size (in kB) of the log file before beginning a new file.

License Return

A Mobile Device Server profile has the following licensing options:

Release after _ days of inactivity	Sets how long the Mobile Device Server will wait before it returns a license for an inactive device to the pool of unused licenses.
Enable Fast-Expiration	Allows the server to terminate the license lease after the specified time period without contacting the device. If this option is disabled, the server will attempt to contact any devices that have not communicated with the server in the configured time period. If the device does not respond, the license lease will be terminated.

Secondary Server

You can configure the following connection settings:

Enable Secondary Server Support	Authorizes the mobile device to attempt to connect a secondary Mobile Device Server if the primary server is not available. You can click on the Secondary Servers button to configure the list of secondary servers and their addresses/hostnames.
Override Connection Timeout Settings	The Mobile Device Server profile settings will override any connection settings configured on the mobile device.
Server Connection Timeout	Configures the number of seconds the mobile device will wait between attempts to connect to the current mobile device server.
Server Advance Delay	Configures the number of seconds before the device advances to the next server. Ensure the Server Advance Delay setting is a multiple of the Server Connect Timeout setting. For example, if you have your Server Connect Timeout set to 10 seconds and the Server Advance Delay set to 60 seconds, the mobile device will attempt to contact the server six times (every 10 seconds for 60 seconds).

Device Statistics

You can configure settings from the Mobile Device Server profile that affect how the mobile device interacts with the Mobile Device Server. These settings include:

Device Chat Timeout	Sets the time in minutes that both the device and the server will wait before dropping a chat session.
Device Comeback Delay	Sets the time in minutes that the mobile device will wait before trying to connect to the Mobile Device Server after a connect rejection (i.e., if the device tried to connect during an exclusion window).
Enable Device Caching	Enables mobile devices to download software package files from other mobile devices on the same subnet instead of from the Mobile Device Server. Device caching reduces the demands on the Mobile Device Server during software package deployment. For information about implementing device caching, call Wavelink Customer Support.
Enable Persistent Connection	Causes each device to create a persistent TCP connection with the Mobile Device Server. This ensures communication in an environment where UDP packets cannot reliably be transmitted.
Enable SMS Notification	Allows the Mobile Device Server to use SMS notification if a device cannot be reached by UDP packets. This option is only available for devices with a phone, and must also be configured on the device and at the enterprise server. For more information on enabling SMS notification, call Wavelink Customer Service.
Suppress GPS Data Collection	Causes the Mobile Device Server to discard GPS data collected from the devices without sending it to the enterprise server.
Suppress Radio Statistics Collection	Causes the Mobile Device Server to discard radio statistics data collected from the devices without sending it to the enterprise server.
Suppress Realtime Properties Data Collection	Causes the Mobile Device Server to discard realtime properties data collected from the devices without sending it to the enterprise server.
Suppress Software Inventory Collection	Causes the Mobile Device Server to discard software profile data collected from the devices without sending it to the enterprise server.

Device Specific File Transfers

Directory for files uploaded from device	When a package’s .PPF file specifies that files are to be uploaded to Home, this option provides the path to Home on the machine local to the Mobile Device Server. If no path is specified, Home is defined as the Mobile Device Server installation directory.
Directory for files downloaded to device	When a package’s .PPF file specifies files that are to be downloaded from Home, this option provides the path to Home on the machine local to the Mobile Device Server. If no path is specified, Home is defined as the Mobile Device Server installation directory.

This page refers to an older version of the product.
View the current version of the User Guide.

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