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Using automatic configuration
Overview
When the device starts up without a valid next-startup configuration file, the device searches the root
directory of its default file system for the autocfg.py, autocfg.tcl, and autocfg.cfg files. If any one of the
files exists, the device loads the file. If none of the files exists, the device uses the automatic
configuration feature to obtain a set of configuration settings. This feature simplifies network
configuration and maintenance.
Automatic configuration can be implemented by using a set of servers, including a DHCP server and
a file server (HTTP or TFTP server). A DNS server might also be required.
Server-based automatic configuration applies to scenarios that have the following characteristics:
•
A number of devices need to be configured.
•
The devices to be configured are widely distributed.
•
The configuration workload on individual devices is heavy.
Using server-based automatic configuration
As shown in
, server-based automatic configuration requires the following servers:
•
DHCP server.
•
File server (TFTP or HTTP server).
•
(Optional.) DNS server.
Figure 40 Server-based automatic configuration network diagram
Server-based automatic configuration task list
Tasks at a glance
Preparing the files for automatic configuration
DHCP server
File server
DNS server
Device
IP network
Содержание FlexNetwork 10500 Series
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