Dell PowerConnect M6348 Configuration Manual page 153

The default network configuration file should have IP address to hostname mappings using the
command ip host <hostname> <address>. If the default network configuration file does not contain
the switch's IP address, the switch uses DNS to attempt to resolve its hostname.
A sample fp-net.cfg file follows:
config
...
ip host switch_to_setup 192.168.1.10
ip host another_switch 192.168.1.11
... <other hostname definitions>
exit
Once a hostname has been determined, the switch then issues a TFTP request for a file named
"<hostname>.cfg" file, where <hostname> is the first eight characters of the switch's hostname.
If the switch is unable to map its IP address to a hostname, Auto Config sends TFTP requests for the
default configuration file "host.cfg."
Table 9-1 summarizes the config files which may be downloaded, and the order in which they are sought.
Table 9-1. Configuration File Possibilities
Order Sought File Name
1 <bootfile>.cfg
2 fp-net.cfg
3 <hostname>.cfg Host-specific config file, associated with hostname
4 host.cfg
Table 9-2 displays the determining factors for issuing unicast or broadcast TFTP requests.
Description
Host-specific config file, ending in a *.cfg file extension
Default network config file
Default config file
Final File Sought
Yes
No
Yes
Yes
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Utility