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The router continually tries to load a configuration from the network, and displays error messages on the console similar to the %Error opening tftp://255.255.255.255/network-confg (Timed out) message

Core Issue

A router can continually display the log messages because the service config command is enabled on the router.

These error messages usually occur after the router has performed a Cisco IOS  Software upgrade. In the latest version of Cisco IOS Software, the service config command is the default value. Since this is the default value, the service config command line sometimes does not show up in the show run command output.

Resolution

To disable the service config command on the router and stop the log messages from being generated, perform these steps:

  1. Issue the no service config global configuration command, as shown:   
    router>enable
    router#config t
    Enter configuration commands, one per line. End with CNTL/Z.
    router(config)#no service config 
       
  2. Issue the write memory or copy running-config startup-config command.   

    This is a sample command output:

     
    router(config)#^Z 
    !--- Enter ctrl-z to get back to the main prompt.
    router#write memory
     

    For more information, refer to "%Error opening tftp://255.255.255.255/network config" Error Message Prevention.

       

When Problem Occurs

Continuously

Error Messages and Warnings

%Error opening tftp

Version history
Revision #:
1 of 1
Last update:
‎06-18-2009 03:59 PM
Updated by: