Occasionally, during bootup of Cisco hardware through Cisco IOS software, error messages similar to these are displayed:
%Error opening tftp://255.255.255.255/network-confg (Socket error)
%Error opening tftp://255.255.255.255/cisconet.cfg (Socket error)
%Error opening tftp://255.255.255.255/3620-confg (Socket error)
%Error opening tftp://255.255.255.255/3620.cfg (Socket error)
These error messages are related to the default service configuration option built into Cisco IOS software, which attempts to access the service configuration files from a network Trivial File Transfer Protocol (TFTP) server.
1. Log into the router
no service config
copy running-config startup-config
These error messages no longer appear at the next boot up of the router.
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