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Scope

This document applies to the following Ascend products:

• The Pipeline 50, 75, 85, 130, and 220 router/bridges
• The MAX 4000 series WAN access switches
• The MAX 6000 series WAN access switches

Abstract

This document contains instructions on resetting Ascend products to factory default settings. You can clear the existing configuration (located in the flash memory and non-volatile RAM) by using commands in the Diagnostic Mode of the Pipeline or MAX units. When the unit reboots, all settings return to the factory default values.

Requirements

• Serial cable connection to the Ascend unit's terminal port from the computer's COM port (RS-232)
• Terminal emulation software (for example, HyperTerminal) running VT100 mode or the latest version of the Java-Based Router Configuration Program for your product (if available)
• Access to the Ascend Menu Interface and familiarity with navigating the Menu Interface
• When using the Java-Based Router Configuration Program, an Ethernet connection is required from the router's 10Base-T port to the computer's network interface card, by means of hub with a straight-through Ethernet cable, or direct connection with a cross-over Ethernet cable
• Full Access permission to the router (Full Access Password)

Steps

1. With the serial port connection between your computer COM port and the Ascend unit's terminal port, access the unit's configuration menu through your terminal emulation software. Make certain you have the terminal emulation software set at 9600 baud (Pipeline default), 8 bits, No parity, 1 stop bit, and no flow control. Should you wish to save your current configuration settings in your Ascend unit, please read the Comments section near the end of this document.

Note: You can access the Ascend unit's configuration menu by using Telnet if your computer is connected to the Ascend unit Ethernet interface. However, after clearing the Ascend unit's configuration, you will NOT be able to use Telnet because the IP address has been erased.

2. Log into the router using the Full Access Password. At the Ascend unit Main Edit Menu, press CTRL+ D. The following submenu appears as follows:

		Do

	

				0=Esc

	

				P=Password 

	

				:

	

		

	

		
	

3. Type P for Password. Scroll down to select Full Access. Press ENTER.
4. When prompted, enter the Ascend unit Full Access Password. The following message displays: Password accepted, using new security level.
5. Press CTRL+ D to access the Diagnostic Mode.

The following submenu appears:

		Do

	

			    	0=Esc

	

			 	:

	

			 	E=Termsrv

	

			 	D=Diagnostics

	

		
	

6. Type D for Diagnostics.
7. At the (>) prompt, type the following two commands.
8. 
   >fclear (press ENTER)
   >
   >nvr (press ENTER)

   The Ascend unit resets its flash memory and non-volatile RAM to the factory default settings. In the process the Ascend unit will reboot with the factory default settings.

9. After the Ascend unit reboots, you may restore the configuration from a previously saved file, or manually reconfigure the unit.

Comments

• If you use Telnet to reset the Ascend unit to factory defaults, you will lose your Telnet session because the router's address will be set to 0.0.0.0. If you do not have a serial connection, you must use the Java-Based Pipeline Configurator program to redetect the Ascend unit and assign it an IP address. Once completed, you'll be able to Telnet back to access the Menu Interface.
• The Ascend unit's configuration can be saved to a text file. To do so, access the following:

				Main Edit Menu

		

				
		

				System

		

				
		

				Sys Diag

		

				
		

				Save Cfg

				
		

Selecting the Save Cfg option will activate the Ascend unit to perform a text dump of its configuration to the screen. In order to capture this text dump, it will be necessary to have software with text capture capabiliites activated.

Prior to selecting the Save Cfg option, activate the text capture feature in the Telnet software or the terminal software. Your Telnet or terminal software will prompt you to save the text capture to a file name of your designation. Press any key to save the configuration to the specified file.

• The serial cable used on the terminal port is a standard RS-232 serial cable. You can use any terminal emulation software, such as Hyper Terminal (built-in on most Windows operating systems), ProComm Plus, or Zterm (for Macintosh) running VT100 emulation.