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“%Error opening tftp://255.255.255.255/network config” Error Message Prevention

Posted on July 23, 2009. Filed under: Cisco | Tags: router cisco |

Contents

• Introduction

• Prerequisites
  • Requirements
  • Components Used
  • Conventions

• Problem: Service Configuration Error Messages

• Solution

• NetPro Discussion Forums – Featured Conversations

• Related Information

Introduction

This document provides explanations of service configuration errors encountered during initial hardware bootup when you run Cisco IOS® software.

Prerequisites
Requirements

There are no specific requirements for this document.
Components Used

This document is not restricted to specific software and hardware versions.

The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, make sure that you understand the potential impact of any command.
Conventions

Refer to Cisco Technical Tips Conventions for more information on document conventions.
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.

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