Dell PowerConnect 8024 User's Guide - Page 235
Auto Configuration, System, Advanced Settings,
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• The IP addresses of DNS name servers (option 6). The IP addresses of DNS name servers should be returned from the DHCP server only if the DNS server is in the same LAN as the switch performing Auto Configuration. A DNS server is needed to resolve the IP address of the TFTP server if only the "sname" or option 66 values are returned to the switch. After obtaining IP addresses for both the switch and the TFTP server, the Auto Configuration feature attempts to download a host-specific configuration file using the boot file name specified by the DHCP server. If the switch fails to obtain the file, it will retry indefinitely. Use the Auto Configuration page to enable the switch to be automatically configured when it is initialized and cannot find a configuration file. With Auto Configuration enabled, the switch obtains an IP address and downloads a configuration file from a TFTP server. NOTE: The Auto Configuration process requires the DHCP client on the switch to be enabled by default. The Auto Configuration feature also depends upon the configuration of other devices in the network, including a DHCP or BOOTP server, a TFTP server and, if necessary, a DNS server. To display the Auto Configuration page, click System →Advanced Settings →Auto Configuration in the tree view. Figure 6-111. Auto Configuration The Auto Configuration page contains the following fields: • Auto Configuration Mode - Enables (Start) or disables (Stop) the Auto Configuration feature on the switch. Select Start to initiate sending a request to a DHCP server to obtain an IP address of a server and the configuration file name. If it obtains the server address, Auto Configuration proceeds to Configuring System Information 235