Table Of Contents
Cisco 7401ASR Router Troubleshooting
Use the following documentation and tools to troubleshoot your Cisco 7401ASR router.
See Tech Notes for the Cisco 7401ASR router for general troubleshooting information, as well as specific documents on architecture, maintenance, understanding Cisco IOS output, and understanding error messages.
provides a variety of technical documents on general troubleshooting, router architecture, router maintenance, understanding Cisco IOS command outputs, and understanding error messages.
The following tools require user registration for access. The registered sites are noted beside the link. To become a registered user, refer to http://www.cisco.com/register/.
If you are accessing the tools from Cisco.com, go to the top of the Cisco.com page, and click Log In before clicking the links below. Clicking Log In first will bring you to a login Screen. Clicking the links on the Tools and Utilities page without clicking Log In will not bring up a login screen.
The Tools and Utilities index provides links to tools and utilities such as configuration, installation, software download, troubleshooting, and assessment tools.
The Troubleshooting Tools index includes tools such as:
•Cisco Error Message Decoder Tool
•Cisco IOS Upgrade Planner
•Command Lookup Tool
•Feature Navigator for Cisco IOS
•Field Notice Alert Tool
•Output Interpreter Tool
•Software Bug Toolkit