This chapter describes the file distribution services on the NIOS appliance. It contains the following sections:

File Distribution Overview, see below.

File Distribution Overview
You can upload files to the NIOS appliance and to individual Grid members using TFTP, HTTP, and FTP, clients. You can also upload files using the Grid Manager web interface or the API. Using access control lists, you can specify which network devices can upload files or retrieve files. You can use the Group Results function for file distribution services (TFTP, FTP, and HTTP) to group members by extensible attributes that contain the same values. For information about how to group members by extensible attributes, see Adding Grid Members.

Note: File distribution services using TFTP, HTTP, and FTP is not supported by IPv6-only appliances.

Network devices, such as VoIP phones, can use the DHCP services on the appliance for IP address assignments and use the file distribution services for IP device configuration downloads. Downloads can be accomplished with TFTP, HTTP, or FTP.

Figure 9.1 Uploading and retrieving files

File uploads and downloads by FTP and TFTP file distribution clients are logged in the syslog under the Administration
-> Logs tabs. The logs store the following information:

Client IP
Date and Time
Event type
File(s) downloaded and/or uploaded

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