cisco路由器错误%Error opening tftp://255.255.255.255/network config

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Problem: Service Configuration Error Messages
　　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.

Solution
　　In order to disable this feature, issue the no service config global command.

Router#config terminal
Enter configuration commands, one per line.
Router(config)#no service config
Router(config)#exit
Router#copy running-config startup-config

　　These error messages no longer appear at the next bootup of the router.