Cisco 7401ASR Installation and Configuration Guide - Starting and Configuring [Cisco 7400 Series Routers]

Table Of Contents

Starting and Configuring

Functional Overview

Chassis Slot and Logical Interface Numbering

MAC Address

Online Insertion and Removal

Environmental Monitoring and Reporting Functions

Environmental Monitoring

Reporting Functions

Fan Failures

Checking Conditions Prior to System Startup

Starting the System and Observing Initial Conditions

Configuring a Cisco 7401ASR Router

Performing a Basic Configuration Using AutoInstall

Performing a Basic Configuration Using the Setup Facility

Configuring Global Parameters

Configuring the Native Gigabit Ethernet and Fast Ethernet/Ethernet Interfaces

Configuring Port Adapter Interfaces

Performing a Basic Configuration Using Global Configuration Mode

Saving the Running Configuration to NVRAM

Checking the Running Configuration Settings

Performing Other Configuration Tasks

Replacing or Recovering a Lost Password

Overview of the Password Recovery Procedure

Details of the Password Recovery Procedure

Viewing Your System Configuration

Performing Complex Configurations

Starting and Configuring

This chapter describes how to start the system and perform a basic configuration for your
Cisco 7401ASR router. The chapter contains the following sections:

•Functional Overview

•Checking Conditions Prior to System Startup

•Starting the System and Observing Initial Conditions

•Configuring a Cisco 7401ASR Router

•Performing Other Configuration Tasks

•Replacing or Recovering a Lost Password

•Viewing Your System Configuration

•Performing Complex Configurations

This chapter guides you through a basic router configuration, which is sufficient for you to access your network. Complex configuration procedures are beyond the scope of this publication and can be found in the modular configuration and modular command reference publications in the Cisco IOS software configuration documentation set that corresponds to the software release installed on your Cisco hardware.

To configure a Cisco 7401ASR router from a console, you need to connect a terminal to the router console port.

Functional Overview

This section provides a functional overview of the Cisco 7401ASR router. It describes the numbering and addressing scheme of the port adapter for the router, the environmental monitoring and reporting functions, and online insertion and removal (OIR). These descriptions help you become familiar with the capabilities of the Cisco 7401ASR router.

Chassis Slot and Logical Interface Numbering

In the Cisco 7401ASR router, the port-adapter-slot-number is the chassis slot in which a port adapter is installed, whereas the logical-interface-number is the physical location of the interface port on a port adapter.

The port adapter slot in the Cisco 7401ASR router is numbered slot 1. Port adapter slot 0 is always reserved for logical slots 10 |100|1000 on the system board.

The Media Access Control (MAC) or hardware address is a standardized data link layer address that is required for certain network interface types. These addresses are not used by other devices in the network; they are specific and unique to each port. The Cisco 7401ASR router uses a specific method to assign and control the MAC addresses of its port adapters. For a description of the MAC address, see the "MAC Address" section.

You can identify port adapter slots by using software commands. To display information about all port adapter slots, use the show interfaces command. To display information about a specific port adapter slot, use the show interfaces command with the port adapter type and slot number in the format show interfaces port-adapter-type slot-number/port-number. If you abbreviate the command (sh int) and do not specify port adapter type and slot number (or arguments), the system interprets the command as show interfaces and displays the status of all port adapters and ports.

The following example shows how the show interfaces command, used without arguments, displays status information (including the physical port adapter number) for each port adapter in a Cisco 7401ASR router.

In the following example, most of the status information for each interface is omitted.
Router# show interfaces
GigabitEthernet0/0 is up, line protocol is down 
  Hardware is i82543 (Livengood), address is 0000.0000.0000 (bia 0000.0000.0000)
  Internet address is 1.1.1.2
  MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, 
     reliability 255/255, txload 1/255, rxload 1/255
     (display text omitted)
GigabitEthernet0/1 is administratively down, line protocol is down 
  Hardware is i82543 (Livengood), address is 0000.0000.0000 (bia 0000.0000.0000)
  MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, 
     reliability 255/255, txload 1/255, rxload 1/255
     (display text omitted)
Serial1/0:0 is down, line protocol is down 
  Hardware is Multichannel T1
  MTU 1500 bytes, BW 1536 Kbit, DLY 20000 usec, 
     reliability 255/255, txload 1/255, rxload 1/255
     (display text omitted)
alarm present
  Timeslot(s) Used:1-24, subrate:64Kb/s, transmit delay is 0 flags
You can also use arguments such as the interface type (Ethernet, Token Ring, ATM, and so forth) and the port address (slot-number/port-number) to display information about a specific interface only.

The following example shows the display for the first port on the Gigabit Ethernet port adapter in the port adapter slot (1):
Router# show interface g1/0
GigabitEthernet1/0 is up, line protocol is down 
  Hardware is i82543 (Livengood), address is 0000.0000.0000 (bia 0000.0000.0000)
  Internet address is 1.1.1.2
  MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, 
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)
  Full-duplex mode, link type is autonegotiation, media type is SX
  output flow-control is off, input flow-control is off
  ARP type:ARPA, ARP Timeout 04:00:00
For complete descriptions and instructions of the commands used to configure your Cisco 7401ASR router, refer to the Cisco IOS Configuration Fundamentals Configuration Guide and Cisco IOS Configuration Fundamentals Command Reference publications, which are available online, on the Documentation CD-ROM, and in print.

MAC Address

All LAN interfaces (ports) require unique MAC addresses, also known as hardware addresses. Typically, the MAC address of an interface is stored on a memory component that resides directly on the interface circuitry; however, the OIR feature requires a different method. (For a description of OIR, see the "Online Insertion and Removal" section.)

Using OIR you can remove a port adapter and replace it with another identically configured one. If the new port adapter matches the port adapter you removed, the system immediately brings it online. In order to enable OIR, an address allocator with unique MAC addresses is stored in an EEPROM on the system board. Each address is reserved for a specific port and slot in the router regardless of whether a port adapter resides in that slot. The MAC address for the port adapter slot in the Cisco 7401ASR is slot 0. You can remove a port adapter and insert it into another router without causing the MAC addresses to move around the network or be assigned to multiple devices.

Note that if the MAC addresses were stored on each port adapter, OIR would not function because you could never replace one port adapter with an identical one; the MAC addresses would always be different. Also, each time a port adapter was replaced, other devices on the network would have to update their data structures with the new address. If the other devices did not update quickly enough, the same MAC address could appear in more than one device at the same time.

Note Storing the MAC addresses for every slot in one central location means the addresses stay with the memory device on which they are stored.

Online Insertion and Removal

All port adapters and service adapters in the Cisco 7401ASR routers support online insertion and removal (OIR). This function allows you to install and replace port adapters and service adapters while the router is operating; you do not need to notify the software or shut down the system power. This provides a method that is seamless to end users on the network, maintains all routing information, and preserves sessions.

The following is a functional description of OIR for background information only; for specific procedures for installing and replacing a port adapter or service adapter in a Cisco 7401ASR router, refer to the configuration note that ships with each port adapter or service adapter.

Each port or service adapter has a bus connector that connects it to the router. The connector has a set of tiered pins in three lengths that send specific signals to the system as they make contact with the port adapter or service adapter. The system assesses the signals it receives and the order in which it receives them to determine if a port adapter or service adapter is being removed or inserted into the system. From these signals, the system determines whether to reinitialize a new interface or shut down a removed interface.

For example, when you insert a port adapter or service adapter, the longest pins make contact with the port adapter or service adapter first, and the shortest pins make contact last. The system recognizes the signals and the sequence in which it receives them.

When you remove or insert a port adapter or service adapter in a Cisco 7401ASR router, the pins send signals to notify the system, which then performs as follows:

1. Rapidly scans the system for configuration changes.

2. Initializes all newly inserted port adapter or service adapter, noting any removed interfaces and placing them in the administratively shutdown state.

3. Brings all previously configured interfaces on the port adapter back to the state they were in when they were removed. Any newly inserted interface is put in the administratively shutdown state, as if it was present (but not configured) at boot time. If a similar port adapter type is reinserted into a slot, its ports are configured and brought online up to the port count of the original port adapter. (A service adapter has no configurable ports.)

Environmental Monitoring and Reporting Functions

Environmental monitoring and reporting functions allow you to maintain normal system operation by identifying and resolving adverse conditions prior to loss of operation. The environmental monitoring functions constantly monitor the internal chassis air temperature and DC supply voltages and currents. If conditions reach shutdown thresholds, the system shuts down to avoid equipment damage from excessive heat. The reporting functions periodically log the values of measured parameters so that you can retrieve them for analysis later, and the reporting functions display warnings on the console if any of the monitored parameters exceed defined thresholds.

Environmental Monitoring

The environmental monitoring functions use two sensors, Sensor 1 near the processor, and Sensor 2, near the power supply. If the air temperature exceeds a defined threshold, the system controller displays warning messages on the console terminal, and if the temperature exceeds the shutdown threshold, the system controller shuts down the system. The system stores the present parameter measurements for both temperature and DC voltage in NVRAM so you can retrieve them later as a report of the last shutdown parameters.

If an internal power supply temperature or voltage reaches a critical level, the power supply shuts down without any interaction with the system processor.

The environmental monitoring functions use the following levels of status conditions to monitor the system:

•Normal—All monitored parameters are within normal tolerances.

•Warning—The system has exceeded a specified threshold. The system continues to operate, but operator action is recommended to bring the system back to a normal state.

•Critical—An out-of-tolerance temperature or voltage condition exists. The system continues to operate; however, the system is approaching shutdown. Immediate operator action is required.

•Shutdown—The processor has detected a temperature condition that could result in physical damage to system components and has disabled DC power to all internal components. This condition requires immediate operator action. All DC power remains disabled until you toggle the power switch. Before any shutdown, the system logs the status of monitored parameters in NVRAM so you can retrieve it later to help determine the cause of the problem.

•Power supply shutdown—The power supply detected an internal out-of-tolerance overvoltage, overcurrent, or temperature condition and shut itself down. All DC power remains disabled until you toggle the power switch.

Table 3-1 lists the typical temperature thresholds for the Cisco 7401ASR router, and Table 3-2 lists the DC power thresholds for the normal, warning, and critical (power supply-monitored) levels.

Table 3-1 Typical Processor-Monitored Temperature Thresholds

Parameter

High Warning

High Critical

Shutdown

Sensor 1 (near processor)

122oF (50oC)

140oF (60oC)

149oF (65oC)

Sensor 2 (near power supply)

107oF (42oC)

125oF (52oC)

134oF (57oC)

Note Table 3-2 shows output from the show environment table command.

Table 3-2 Typical Power Supply-Monitored DC-Voltage Thresholds

Parameter

Low Critical

Low Warning

High Warning

High Critical

+1.8V (PXF)

+1.61

+1.66

+1.93

+1.98

+1.8V (CPU)

+1.61

+1.66

+1.93

+1.97

+2.50V

+2.24

+2.31

+2.68

+2.75

+3.30V

+2.96

+3.04

+3.54

+3.62

+5.0V

+4.50

+4.62

+5.36

+5.50

+5.20V

+4.68

+4.80

+5.58

+5.72

+12.25V

+11.03

+11.32

+13.16

+13.49

-12.00V

-10.82

-11.10

-12.91

-13.20

Reporting Functions

The Cisco 7401ASR router displays warning messages on the console if chassis interface-monitored parameters exceed a desired threshold. You can also retrieve and display environmental status reports with the show environment, show environment all, show environment last, and show environment table commands. Parameters are measured and reporting functions are updated every 60 seconds. A brief description of each of these commands follows.

Caution To prevent overheating the chassis, ensure that your system is drawing cool inlet air. Overtemperature conditions can occur if the system is drawing in the exhaust air of other equipment. Ensure adequate clearance around the sides of the chassis so that cooling air can flow through the chassis interior unimpeded and exhaust air exits the chassis and is not drawn into the inlet vent of another device.

The show environment command displays reports of the current environmental system status. The report displays parameters that are out of the normal values. No parameters are displayed if the system status is normal. The example that follows shows the display for a system in which all monitored parameters are within normal range:
Router# show environment 
 
All measured values are normal
If the environmental status is not normal, the system reports the worst-case status level. Following is a sample overvoltage warning:
Router# show environment
Warning:+3.45 V measured at +3.27 V 
The show environment last command retrieves and displays the NVRAM log, which shows the reason for the last system shutdown (if the shutdown was related to voltage or temperature) and the environmental status at that time. Air temperature is measured and displayed, and the DC voltage supplied by the power supply is also displayed.

Following is sample output of the show environment last command:
Router# show environment last
  chassis inlet      previously measured at 30C/86F
  chassis outlet 1   previously measured at 28C/82F
  chassis outlet 2   previously measured at -1C/31F
  chassis outlet 3   previously measured at -1C/31F
  +3.45 V            previously measured at +3.27
  +5.15 V            previously measured at +5.01
  +12.15 V           previously measured at +12.34
  -11.95 V           previously measured at -12.41
  last shutdown reason - power supply shutdown
The show environment table command displays the temperature and voltage thresholds for each temperature sensor and for each monitored status level. These thresholds are related to those listed in Table 3-1 and Table 3-2. The display also lists the shutdown threshold for the system.

Following is sample output of the show environment table command for a Cisco 7401ASR router:
Router# show environment table
Sample Point      LowCritical    LowWarning     HighWarning    HighCritical   
chassis inlet                                   40C/104F       50C/122F
chassis outlet 1                                43C/109F       53C/127F
chassis outlet 2                                75C/167F       75C/167F
chassis outlet 3                                50C/122F       60C/140F
+3.45 V           +3.26          +3.34          +3.55          +3.63          
+5.15 V           +4.86          +4.99          +5.31          +5.43          
+12.15 V          +11.39         +11.67         +12.62         +12.91         
-11.95 V          -9.52          -10.73         -13.16         -14.38         
System shutdown for chassis outlet 1 58C/136F
System shutdown for chassis outlet 3 65C/149F
Note Temperature ranges and values are subject to change.

The show environment all command displays an extended report that includes temperature readings and voltage readings. The show environment all command also displays a report showing which power supply slots are occupied and which are empty.

Following is sample output of the show environment all command.

With AC power supply installed:
Router# show environment all
Power Supplies:
        Power supply 1 is Internal AC Power Supply. Unit is on.
        Power supply 2 is unmeasured.
Temperature readings:
        chassis inlet    measured at 29C/84F
        chassis outlet   measured at 26C/78F
Voltage readings:
        +1.8 V (PXF)  measured at +1.79 V
        +1.8 V (CPU)  measured at +1.77 V
        +2.50 V       measured at +2.47 V
        +3.30 V       measured at +3.28 V
        +5.00 V       measured at +4.98 V
        +5.20 V       measured at +5.18 V
        +12.25 V      measured at +12.21 V
        -12.00 V      measured at -12.15 V
Fans:
        Fan 1 is believed to be working
        Fan 2 is believed to be working
        Fan 3 is believed to be working
        Fan 4 is believed to be working
        Fan 5 is believed to be working
With a single 24V DC power supply installed:
Router# show environment all
Power Supplies:
        Power supply 1 is Internal 24VDC Power Supply. Unit is on.
        Power supply 2 is unmeasured.
Temperature readings:
        chassis inlet    measured at 35C/95F
        chassis outlet   measured at 29C/84F
Voltage readings:
        +1.8 V (PXF)  measured at +1.79 V
        +1.8 V (CPU)  measured at +1.77 V
        +2.50 V       measured at +2.47 V
        +3.30 V       measured at +3.28 V
        +5.00 V       measured at +4.98 V
        +5.20 V       measured at +5.18 V
        +12.25 V      measured at +12.36 V
        -12.00 V      measured at -12.15 V
Fans:
        Fan 1 is believed to be working
        Fan 2 is believed to be working
        Fan 3 is believed to be working
        Fan 4 is believed to be working
        Fan 5 is believed to be working
With a single 48V DC power supply installed:
Router# show environment all
Power Supplies:
        Power supply 1 is Internal 48VDC Power Supply. Unit is on.
        Power supply 2 is empty.
Temperature readings:
        chassis inlet    measured at 34C/93F
        chassis outlet   measured at 28C/82F
Voltage readings:
        +1.8 V (PXF)  measured at +1.79 V
        +1.8 V (CPU)  measured at +1.77 V
        +2.50 V       measured at +2.47 V
        +3.30 V       measured at +3.28 V
        +5.00 V       measured at +4.98 V
        +5.20 V       measured at +5.18 V
        +12.25 V      measured at +12.36 V
        -12.00 V      measured at -12.15 V
Fans:
        Fan 1 is believed to be working
        Fan 2 is believed to be working
        Fan 3 is believed to be working
        Fan 4 is believed to be working
        Fan 5 is believed to be working
With dual 48V DC power supplies installed:
Router# show environment all
Power Supplies:
        Power supply 1 is Redundant 48VDC Power Supply. Unit is on.
        Power supply 2 is empty.
Temperature readings:
        chassis inlet    measured at 34C/93F
        chassis outlet   measured at 28C/82F
Voltage readings:
        +1.8 V (PXF)  measured at +1.79 V
        +1.8 V (CPU)  measured at +1.77 V
        +2.50 V       measured at +2.47 V
        +3.30 V       measured at +3.28 V
        +5.00 V       measured at +4.98 V
        +5.20 V       measured at +5.18 V
        +12.25 V      measured at +12.26 V
        -12.00 V      measured at -12.15 V
Fans:
        Fan 1 is believed to be working
        Fan 2 is believed to be working
        Fan 3 is believed to be working
        Fan 4 is believed to be working
        Fan 5 is believed to be working
Fan Failures

When the system power is on, all five fans should be operational. The system continues to operate if a fan fails. When a fan fails, the system displays the following message:
router: 00:03:46:%ENVM-3-BLOWER:Fan 2 may have failed
If the air temperature exceeds a defined threshold, the system controller displays warning messages on the console terminal, and if the temperature exceeds the shutdown threshold, the system controller shuts down the system.

If the system does shut down because the temperature exceeded the shutdown threshold, the system displays the following message on the console screen and in the environment display when the system restarts:
Queued messages:
%ENVM-1-SHUTDOWN: Environmental Monitor initiated shutdown
For complete descriptions and instructions for the environmental monitor commands, refer to the Cisco IOS Configuration Fundamentals Configuration Guide and Cisco IOS Configuration Fundamentals Command Reference publications, which are available online, on the Documentation CD-ROM, and in print.

Checking Conditions Prior to System Startup

Check the following conditions before you start your router:

•The port adapter is inserted in its slot and the port adapter latch is in the locked position.

•The network interface cable is connected to the port adapter.

•A CompactFlash Disk is installed.

•The console terminal is turned on.

You are now ready to start your router. Proceed to the section "Starting the System and Observing Initial Conditions."

Starting the System and Observing Initial Conditions

After installing your Cisco 7401ASR router and connecting cables, start the router as follows:

Step 1 At the front of the router, place the power switch on the power supply in the on (|) position.

Step 2 Listen for the fans; you should immediately hear them operating.

Step 3 During the boot process, observe the system LEDs. The LEDs on the port adapter go on and off in irregular sequence. They may go on, go out, and go on again for a short time. On the router, the green STATUS LED comes on and stays on.

Step 4 Observe the initialization process. When the system boot is complete (a few seconds), the processor begins to initialize the port adapter and the I/O subsystem. During this initialization, the LEDs on the port adapter probably will flash on and off.

The enabled LED on the port adapter goes on when initialization is completed, and the console screen displays a script and system banner similar to the following:
Cisco Internetwork Operating System Software
IOS (tm) 7400 Software (C7400-JS-M), Version 12.2(V99.1)Copyright (c) 1986-2001 by cisco 
Systems, Inc.
Compiled Sat 19-May-01 11:31 by
Image text-base:0x60008960, data-base:0x617CA000
Step 5 When you start up the router for the first time, the system automatically enters the setup facility, which determines which port adapter is installed and prompts you for configuration information. On the console terminal, after the system displays the system banner and hardware configuration, you will see the following System Configuration Dialog prompt:
         --- System Configuration Dialog ---
At any point you may enter a questions mark `?' for help.
Use ctrl-c to abort configuration dialog at any prompt.
Default settings are in square brackets `[]'.
continue with configuration dialog? [yes]:
You have the option of proceeding with the setup facility to configure the interfaces, or exiting from setup and using configuration commands to configure global (system-wide) and interface-specific parameters. You do not have to configure the interfaces immediately; however, you cannot enable the interfaces or connect them to any networks until you have configured them.

Many of the port adapter LEDs do not go on until you have configured the interfaces. To verify correct operation of each interface, complete the first-time startup procedures and configuration, and then refer to the configuration note for the port adapter for LED descriptions and to check the status of the interfaces.

If the system does not complete each of the steps in the startup procedure, proceed to Chapter 5, "Troubleshooting," for troubleshooting recommendations and procedures.

Configuring a Cisco 7401ASR Router

You can configure your Cisco 7401ASR router using one of the procedures described in the following sections:

•Performing a Basic Configuration Using AutoInstall

•Performing a Basic Configuration Using the Setup Facility

•Performing a Basic Configuration Using Global Configuration Mode

Follow the procedure that best fits the needs of your network configuration.

Note You need to acquire the correct network addresses from your system administrator or consult your network plan to determine correct addresses before you can complete the router configuration.

Before continuing the configuration process, check the current state of the router by entering the show version command. The show version command displays the release of Cisco IOS software that is available on the router. Sample output of the show version command appears in the "Viewing Your System Configuration" section.

Performing a Basic Configuration Using AutoInstall

The AutoInstall process is designed to configure the Cisco 7401ASR router automatically after connection to your WAN. For AutoInstall to work properly, a TCP/IP host on your network must be preconfigured to provide the required configuration files. The TCP/IP host may exist anywhere on the network as long as the following two conditions are maintained:

1. The host must be on the remote side of the router synchronous serial connection to the WAN.

2. User Datagram Protocol (UDP) broadcasts to and from the router and the TCP/IP host are enabled.

This functionality is coordinated by your system administrator at the site where the TCP/IP host is located. You should not use AutoInstall unless the required files are available on the TCP/IP host. Refer to the publications Cisco IOS Configuration Fundamentals Configuration Guide and Cisco IOS Configuration Fundamentals Command Reference for information about how AutoInstall works.

Complete the following steps to prepare your Cisco 7401ASR router for the AutoInstall process:

Step 1 Attach the appropriate synchronous serial cable to synchronous serial interface 0 on the router.

Step 2 Turn the power switch on the power supply to the on (|) position. (This action turns on AC power to the router.)

Note After powering off the router, wait at least 30 seconds before powering it on again.

The router loads the operating system image from Flash memory. If the remote end of the WAN connection is connected and properly configured, the AutoInstall process begins.

Once the AutoInstall process is completed, use the copy running-config startup-config command to write the configuration data to the router's nonvolatile random-access memory (NVRAM). Perform the following step to complete this task.

Step 3 At the # prompt, enter the following command:
Hostname# copy running-config startup-config
Note Completing Step 3 saves the configuration settings that the AutoInstall process created to NVRAM. If you fail to do this, your configuration will be lost the next time you reload the router.

Performing a Basic Configuration Using the Setup Facility

If you do not plan to use AutoInstall, do not connect the router's serial (WAN) cable to the channel service unit/data service unit (CSU/DSU). If the WAN cable is not connected, the router boots from Flash memory and goes automatically into the setup facility.

Note You can run the setup facility any time you are at the enable prompt (#) by entering the setup command.

If the serial (WAN) cable is connected to the CSU/DSU and the router does not have a configuration stored in NVRAM, the router attempts to run AutoInstall at startup. The router may take several minutes to determine that AutoInstall is not set up to a remote TCP/IP host. Once the router determines that AutoInstall is not configured, it defaults to the setup facility.

Configuring Global Parameters

When you first start the setup program, you must configure the global parameters. These parameters are used for controlling system-wide settings. Complete the following steps to enter the global parameters:

Step 1 Connect a console terminal to the console port, and then boot the router.

The system boots from Flash memory. The following information appears after about 30 seconds. When you see this information, you have successfully booted your router:
Restricted Rights Legend
Use, duplication, or disclosure by the Government is
subject to restrictions as set forth in subparagraph
(c) of the Commercial Computer Software - Restricted
Rights clause at FAR sec. 52.227-19 and subparagraph
(c) (1) (ii) of the Rights in Technical Data and Computer
Software clause at DFARS sec. 252.227-7013.
           cisco Systems, Inc.
           170 West Tasman Drive
           San Jose, California 95134-1706
Cisco Internetwork Operating System Software 
IOS (tm) 7400 Software (C7400-JS-M) Version 12.2
Copyright (c) 1986-2001 by cisco Systems, Inc.
Compiled Fri 19-May-01 13:12 by Biff
Image text-base:0x60008960, data-base:0x617CA000
cisco 7401ASR (NSE) processor (revision A) with 245760K/16384K bytes of memory.
Processor board ID 4294967295
R7000 CPU at 375Mhz, Implementation 39, Rev 3.3, 256KB L2, 2000KB L3 Cache
1 slot ASR midplane, Version 2.0
Last reset from power-on
Bridging software.
X.25 software, Version 3.0.0.
SuperLAT software (copyright 1990 by Meridian Technology Corp).
TN3270 Emulation software.
PXF processor tmc has been reset.
8 Ethernet/IEEE 802.3 interface(s)
2 Gigabit Ethernet/IEEE 802.3 interface(s)
509K bytes of non-volatile configuration memory.
64256K bytes of ATA PCMCIA card at slot 0 (Sector size 512 bytes).
8192K bytes of Flash internal SIMM (Sector size 256K).
Press RETURN to get started!
The first two sections of the configuration script (the banner and the installed hardware) appear only at initial system startup. On subsequent uses of the setup facility, the script begins with a System Configuration Dialog as shown in the following example.
--- System Configuration Dialog ---
 
At any point you may enter a question mark '?' for help.
Use ctrl-c to abort configuration dialog at any prompt.
Default settings are in square brackets '[]'.
Step 2 When asked if you want to enter the initial configuration dialog and see the current interface summary, enter yes or press Return:
Would you like to enter the initial configuration dialog? [yes]:
First, would you like to see the current interface summary? [yes]:
In the following example, the summary shows a Cisco 7401ASR router at first-time startup; that is, nothing is configured.
Any interface listed with OK? value "NO" does not have a valid configuration
Interface 	        IP-Address	      	OK?	       Method	      Status	         Protocol
ATM1/0            	unassigned       	NO	       unset       	down          	down
FastEthernet2/0   	unassigned       	NO       	unset	       down	           down
Step 3 Choose which protocols to support on your interfaces. For Internet Protocol (IP)-only installations, you can accept the default values for most of the questions. A typical configuration using IP, IPX, and AppleTalk follows and continues through Step 8:
Configuring global parameters: 
  Enter host name [Router]:
Step 4 Enter enable secret, enable, and virtual terminal passwords:
The enable secret password is a one-way cryptographic secret  
password used instead of the enable password when it exists.
  Enter enable secret: barney
The enable password is used when there is no enable secret 
password and when using older software and some boot images.
  Enter enable password: betty
	Enter virtual terminal password: fred
Step 5 The Simple Network Management Protocol (SNMP) is the most widely supported open standard for network management. It provides a means to access and set configuration and run-time parameters of routers and communication servers. SNMP defines a set of functions that can be used to monitor and control network elements.

Enter yes or press Return to accept SNMP management; enter no to refuse it:
Configure SNMP Network Management? [yes]:
    Community string [public]:
Step 6 For the following queries, do not enable VINES, LAT, DECnet, CLNS, bridging, XNS, or Apollo:
Configure Vines? [no]:
Configure LAT? [no]:
Configure DECnet? [no]:
Configure CLNS? [no]:
Configure bridging? [no]:
Configure XNS? [no]:
Configure Apollo? [no]:
Step 7 For the following queries, enable routing on AppleTalk and IPX:
Configure AppleTalk? [no]: yes
    Multizone networks? [no]: yes
Configure IPX? [no]: yes
Step 8 In most cases you use IP routing. If you are using IP routing, you must also select an interior routing protocol. You can specify only one of two interior routing protocols to operate on your system using the setup facility: Interior Gateway Routing Protocol (IGRP) or Routing Information Protocol (RIP).

To configure IP routing, enter yes (the default) or press Return, and then select an interior routing protocol:
Configure IP? [yes]:
Configure IGRP routing? [yes]:
Your IGRP autonomous system number [1]: 15
The following sample display includes a continuous listing of all configuration parameters selected in Step 3 through Step 8. Only IP, IPX, and AppleTalk are the selected protocols for this example.
Configuring global parameters:
  Enter host name [Router]: router
The enable secret is a one-way cryptographic secret used
instead of the enable password when it exists.
  Enter enable secret: barney
 
The enable password is used when there is no enable secret 
and when using older software and some boot images.
  Enter enable password: betty
  Enter virtual terminal password: fred
  Configure SNMP Network Management? [yes]:
    Community string [public]:
  Configure Vines? [no]: 
  Configure LAT? [no]: 
  Configure AppleTalk? [no]: yes
    Multizone networks? [no]: yes
  Configure DECnet? [no]: 
  Configure IP? [yes]:
  Configure IGRP routing? [yes]:
  Your IGRP autonomous system number [1]: 15
    Configure RIP routing? [no]:
  Configure CLNS? [no]: n
  Configure bridging? [no]: 
  Configure IPX? [no]: yes
  Configure XNS? [no]: 
  Configure Apollo? [no]: 
Step 9 Save your settings to NVRAM. (See the "Saving the Running Configuration to NVRAM" section.) If you do not save the configuration settings you created in the router using configuration mode and the setup facility, your configuration will be lost th enext time yuou load the router.

Configuring the Native Gigabit Ethernet and Fast Ethernet/Ethernet Interfaces

The Cisco 7401ASR router reports both the Fast Ethernet/Ethernet and the Gigabit Ethernet ports as GE 0/0 and GE 0/1. Before configuring either port type, you must first use the media-type interface command to select the media type, either Gigabit Ethernet (gbic) or Fast Ethernet/Ethernet (rj45).

Changing the Media Type

Step 1 To be able to use a particular media port, use Cisco IOS to select the media type. This is done by using the media-type interface command:

media-type { gbic | rj45 }

Example:
interface GigabitEthernet 0/0
	media-type rj45
end
Step 2 After changing the media type, configure the speed and duplex to appropriately match the new interface characteristics. Changing the speed and duplex of a Cisco 7401ASR router Gigabit Ethernet interface is done using the speed and duplex interface commands.

Note These commands are only applicable when using the RJ-45 media.

speed { 10 | 100 | 1000 | auto }

duplex { full | half | auto }

The following speed/duplex settings are supported:
Media Type     	Speed 	            		Duplex 
------------------------------------------------------ 
RJ45           	10, 100, auto	     	full, half, auto
GBIC           	ignored (1000)     	ignored (full)	       	 (By default on this interface)
-------------------------------------------------------
When using the GBIC media, there is also the additional negotiation auto command that is used to enable the IEEE 801.1z Gigabit Ethernet (1000 Mbps) autonegotiation protocol.

Step 3 To turn this autonegotiation feature off (it is on by default), issue the interface command no negotiation auto. This is useful for connecting to other Gigabit Ethernet equipment that does not support 802.1z autonegotiation.

Note The negotiation auto feature is not supported when using the media type rj-45 and will be ignored if implementation is attempted.

If you change from the gbic to rj-45 media, you must set speed and duplex after you have executed the media-type command to ensure the interface will operate in the correct mode.

The media type GBIC mode will always default to 1000-Mbps, full-duplex operation as this is the only configuration that is supported in this mode. Any speed or duplex commands are ignored while using this media type, even if it is present in the configuration (for example, in the show running-config output).

Debugging

Cisco IOS provides two commands to provide information on your interfaces: show interface GigabitEthernet 0/X (where X is either 0 or 1) and show controllers GigabitEthernet 0/X (where X is either 0 or 1).

The output of the show interface command is useful for determining the current operating mode of the interface (speed/duplex/media-type) and the current interface statistics.

The output of the show controller command displays more information specific to the Cisco 7401ASR router Gigabit Ethernet interface. For example, it shows the detected link status, speed, and duplex, and also determines the current status of autonegotiation and the link partners' abilities (if it is an autonegotiation-capable interface).

The show controller command also displays the current operating state of the driver and the Ethernet controller hardware. The show controller command is a very powerful debugging aid, especially for Cisco engineers should you need help in debugging a problem. If you have any problems with your Gigabit Ethernet interfaces, you will need to provide this information to Cisco for analysis.

Resetting the Interface

Should you have a problem with your interface and you want to try and reset it, use the command:

clear interface GigabitEthernet 0/X (where X is either 0 or 1)

Clearing Counters

Interface counters may be cleared (reset) by using the command:

clear counters GigabitEthernet 0/X (where X is either 0 or 1)

Note Using this command will not reset the interface.

Configuring Port Adapter Interfaces

Following are the steps for configuring interfaces to allow communication over a LAN or WAN. To configure the interface parameters, you need your interface network addresses and subnet mask information. Consult with your network administrator for this information.

Note See Chapter 4, "Configuring the VPN Acceleration Module," for instructions on configuring VAM.

Configuring ATM Interfaces

In the following example, an ATM interface in slot 1 is configured for an ATM LAN using IP. Follow these steps to configure an ATM interface:

Step 1 Using your own addresses and mask at the setup prompts, respond to the prompts as follows:
Configuring interface parameters:
Configuring interface ATM1/0:
  Is this interface in use? [yes]: 
  Configure IP on this interface? [yes]:
    IP address for this interface: 1.1.1.10
    Number of bits in subnet field [0]: 
    Class C network is 1.1.1.0, 0 subnet bits; mask is /24
Step 2 Determine if you are going to enable IPX on this interface; if you are, enter the unique IPX network number:
Configure IPX on this interface? [no]: yes
    IPX network number [2]: 
Step 3 If you are using AppleTalk on the interface, enter yes. Enter yes to configure for extended AppleTalk networks, and then enter the cable range number. Enter the zone name and any other additional zones that are associated with your local zone:
Configure AppleTalk on this interface? [no]: yes
Extended AppleTalk network? [no]: yes
AppleTalk starting cable range [0]:
Step 4 Save your settings to NVRAM. (See the "Saving the Running Configuration to NVRAM" section.) If you do not save the configuration settings you created in the router using configuration mode and the setup facility, your configuration will be lost th enext time yuou load the router.

Note If additional ATM interfaces are available in your system, you are prompted for their configurations as well.

Configuring Fast Ethernet Interfaces

In the following example, a Fast Ethernet interface in slot 1 is configured for a Fast Ethernet LAN using IP. Follow these steps to configure Fast Ethernet interfaces:

Step 1 Using your own addresses and mask at the setup prompts, respond to the prompts as follows:
Configuring interface parameters:
Configuring interface FastEthernet1/0:
  Is this interface in use? [yes]: 
  Use the 100 Base-TX (RJ-45) connector? [yes]:
  Operate in full-duplex mode? [no]:
  Configure IP on this interface? [yes]: 
    IP address for this interface: 1.1.1.20 
    Number of bits in subnet field [0]: 
    Class C network is 1.1.1.0, 0 subnet bits; mask is /24
Step 2 Determine if you are going to enable IPX on this interface; if you are, enter the unique IPX network number:
Configure IPX on this interface? [no]: yes
    IPX network number [2]:
Step 3 If you are using AppleTalk on the interface, enter yes. Enter yes to configure for extended AppleTalk networks, and then enter the cable range number. Enter the zone name and any other additional zones that are associated with your local zone:
Configure AppleTalk on this interface? [no]: yes
Extended AppleTalk network? [no]: yes
AppleTalk starting cable range [0]:
Step 4 Save your settings to NVRAM. (See the "Saving the Running Configuration to NVRAM" section.) If you do not save the configuration settings you created in the router using configuration mode and the setup facility, your configuration will be lost th enext time yuou load the router.

Note If additional Fast Ethernet interfaces are available in your system, you are prompted for their configurations as well.

Configuring Synchronous Serial Interfaces

Synchronous serial interfaces are configured to allow connection to WANs through a CSU/DSU. In the following example, a synchronous serial interface in slot 1 is configured for a WAN connection using IP. Follow these steps to configure synchronous serial interfaces:

Step 1 Using your own addresses and mask at the setup prompts, respond to the prompts as follows:
Configuring interface parameters:
Configuring interface serial 1/0:
  Is this interface in use? [yes]: 
  Configure IP on this interface? [yes]: 
    IP address for this interface: 1.1.1.30 
    Number of bits in subnet field [0]: 
    Class A network is 1.1.1.0, 0 subnet bits; mask is /24
Step 2 Determine if you are going to enable IPX on this interface; if you are, enter the unique IPX network number:
Configure IPX on this interface? [no]: yes
    IPX network number [2]:
Step 3 If you are using AppleTalk on the interface, enter yes. Enter yes to configure for extended AppleTalk networks, and then enter the cable range number. Enter the zone name and any other additional zones that are associated with your local zone:
Configure AppleTalk on this interface? [no]: yes
Extended AppleTalk network? [no]: yes
AppleTalk starting cable range [0]:
Step 4 Save your settings to NVRAM. (See the "Saving the Running Configuration to NVRAM" section.) If you do not save the configuration settings you created in the router using configuration mode and the setup facility, your configuration will be lost th enext time yuou load the router.

Note If additional synchronous serial interfaces are available in your system, you are prompted for their configurations as well.

The following sample display includes a continuous listing of all interface configuration parameters selected for ATM, Fast Ethernet, and synchronous serial interfaces.
Configuring interface parameters:
Configuring interface ATM1/0:
  Is this interface in use? [yes]: 
  Configure IP on this interface? [yes]:
    IP address for this interface: 1.1.1.10
    Number of bits in subnet field [0]: 0
    Class C network is 1.1.1.0, 0 subnet bits; mask is /24
  Configure IPX on this interface? [yes]:
    IPX network number [2]:
  Configure AppleTalk on this interface? [no]: yes
    Extended AppleTalk network? [no]: yes
    AppleTalk starting cable range [0]:
 
Configuring interface FastEthernet1/0:
  Is this interface in use? [yes]: 
  Use the 100 Base-TX (RJ-45) connector? [yes]:
  Operate in full-duplex mode? [no]:
  Configure IP on this interface? [yes]: 
    IP address for this interface: 1.1.1.20 
    Number of bits in subnet field [0]: 
    Class C network is 1.1.1.0, 0 subnet bits; mask is /24
  Configure IPX on this interface? [yes]:
    IPX network number [2]:
  Configure AppleTalk on this interface? [no]: yes
    Extended AppleTalk network? [no]: yes
    AppleTalk starting cable range [0]:
Configuring interface Serial1/0:
  Is this interface in use? [no]: yes
  Configure IP on this interface? [no]: yes
  Configure IP unnumbered on this interface? [no]:
    IP address for this interface: 1.1.1.30
    Number of bits in subnet field [0]:
    Class A network is 1.0.0.0, 0 subnet bits; mask is 255.0.0.0
  Configure IPX on this interface? [no]: yes
    IPX network number [2]: 
  Configure AppleTalk on this interface? [no]: yes
    Extended AppleTalk network? [no]:
    AppleTalk network number [1]: 
The following configuration command script was created:
hostname Router
enable secret 5 $1$u8z3$PMYY8em./8sszhzk78p/Y0
enable password betty
line vty 0 4
password fred
snmp-server community public
!
ip routing
no vines routing
ipx routing
appletalk routing
no apollo routing
no decnet routing
no xns routing
no clns routing
no bridge 1
! Turn off IPX to prevent network conflicts.
interface ATM1/0
ip address 1.1.1.10 255.0.0.1
appletalk cable-range 0-0 0.0
appletalk discovery
!
interface FastEthernet1/0
media-type 100BaseX
half-duplex
ip address 1.1.1.20 255.0.0.2
appletalk cable-range 0-0 0.0
appletalk discovery
!
interface serial3/0
ip address 1.1.1.30 255.0.0.3
ip route-cache cbus
no keepalive
!
!
router igrp 15
network 1.0.0.0
!
end
Use this configuration? [yes/no]: yes
Building configuration...
Use the enabled mode `configure' command to modify this configuration.
Press RETURN to get started! 
Your router is now minimally configured and ready to use. You can use the setup command if you want to modify the parameters after the initial configuration. To perform more complex configurations, use the configure command.

For information on additional interface configuration and specific system configurations, refer to the modular configuration and modular command reference publications in the Cisco IOS software configuration documentation set that corresponds to the software release installed on your Cisco hardware.

Performing a Basic Configuration Using Global Configuration Mode

You can configure a Cisco 7401ASR router manually if you prefer not to use the setup facility or AutoInstall. Complete the following steps to configure the router manually:

Step 1 Connect a console terminal to the console port.

Step 2 When asked if you want to enter the initial dialog, answer no to go into the normal operating mode of the router:
Would you like to enter the initial dialog? [yes]: no
Step 3 After a few seconds the user EXEC prompt (Router>) is displayed. Type enable to enter enable mode (configuration changes can only be made in enable mode):
Router> enable
The prompt changes to the privileged EXEC prompt:
Router#
Step 4 Enter the config terminal command at the enable prompt to enter configuration mode from the terminal:
Router# config terminal
Enter configuration commands, one per line.  End with CNTL/Z.
Router(config)#
At the Router(config)# prompt, enter the interface type slot/port command to enter the interface configuration mode:
Router(config)# interface serial slot/port
Router(config-int)#
In either configuration mode, you can now enter any changes to the configuration. Press Ctrl-Z (hold down the Control key while you press Z) or enter end to exit configuration mode and return to the EXEC command interpreter.

Step 5 Save your settings to NVRAM. (See the "Saving the Running Configuration to NVRAM" section.) If you do not save the configuration settings you created in the router using configuration mode and the setup facility, your configuration will be lost th enext time yuou load the router.

Your router is now minimally configured and will boot with the configuration you have entered. To see a list of the configuration commands available to you, enter ? at the prompt while in configuration mode.

Saving the Running Configuration to NVRAM

To store the configuration or changes to your startup configuration in NVRAM, enter the copy running-config startup-config command at the Router# prompt:
Router# copy running-config startup-config
Using this command saves the configuration settings that you created in the router using configuration mode and the setup facility. If you fail to do this, your configuration will be lost the next time you reload the router.

Checking the Running Configuration Settings

To check the value of the settings you have entered, enter the show running-config command at the Router# prompt:
Router# show running-config
To review changes you make to the configuration, use the EXEC mode show startup-config command to display the information stored in NVRAM.

Performing Other Configuration Tasks

To make advanced configuration changes after you establish the basic startup configuration for your router, refer to the modular configuration and modular command reference publications in the Cisco IOS software configuration documentation set that corresponds to the software release installed on your Cisco hardware. These publications contain additional information on using the configure command.

The configuration publications also provide information about the following tasks:

•Understanding and working with the user interface on your router

•Booting and rebooting the router

•Setting the configuration register—see the Cisco IOS Configuration Fundamentals Configuration Guide

•Loading configuration files or system images using remote copy protocol (rcp) or Trivial File Transfer Protocol (TFTP)

•Reloading the operating system

Replacing or Recovering a Lost Password

This section describes how to recover a lost enable or console login password, and how to replace a lost enable secret password on your Cisco 7401ASR router.

Note It is possible to recover the enable or console login password. The enable secret password is encrypted, however, and must be replaced with a new enable secret password.

Overview of the Password Recovery Procedure

Following is an overview of the steps in the password recovery procedure:

Step 1 If you can log in to the router, enter the show version command to determine the existing configuration register value.

Step 2 Press the Break key to get to the bootstrap program prompt (ROM monitor). You might need to reload the system image by power cycling the router.

Step 3 Change the configuration register so the following functions are enabled:

a. Break

b. Ignore startup configuration

c. Boot from Flash memory

Note The key to recovering a lost password is to set the configuration register bit 6 (0x0040) so that the startup configuration (usually in NVRAM) is ignored. This allows you to log in without using a password and to display the startup configuration passwords.

Step 4 Power cycle the router by turning power off and then back on.

Note After powering off the router, wait at least 30 seconds before powering it on again.

Step 5 Log in to the router and enter the privileged EXEC mode.

Step 6 Enter the show startup-config command to display the passwords.

Step 7 Recover or replace the displayed passwords.

Step 8 Change the configuration register back to its original setting.

Note To recover a lost password if the Break function is disabled on the router, you must have physical access to the router.

Details of the Password Recovery Procedure

Complete the following steps to recover or replace a lost enable, enable secret, or console login password:

Step 1 Attach an ASCII terminal to the console port on your router.

Step 2 Configure the terminal to operate at 9600 baud, 8 data bits, no parity, and 2 stop bits (9600 8N2).

Step 3 If you can log in to the router as a nonprivileged user, enter the show version command to display the existing configuration register value. Note the value for use later and proceed to Step 6. If you cannot log in to the router at all, go to the next step.

Step 4 Press the Break key or send a Break from the console terminal. If Break is enabled, the router enters the ROM monitor, indicated by the ROM monitor prompt (rommon1>). Proceed to Step 6. If Break is disabled, power cycle the router (turn the router off or unplug the power cord, and then restore power). Then proceed to Step 5.

Step 5 Within 60 seconds of restoring the power to the router, press the Break key or send a Break. This action causes the router to enter the ROM monitor and display the ROM monitor prompt (rommon1>).

Step 6 Set the configuration register using the configuration register utility; enter the confreg command at the ROM monitor prompt as follows:
rommon1> confreg
Step 7 Answer yes to the enable "ignore system config info?" question, and note the current configuration register settings.

Step 8 Initialize the router by entering the reset command as follows:
rommon2> reset
The router initializes, the configuration register is set to 0x142, and the router boots the system image from Flash memory and enters the System Configuration Dialog prompt as follows:
--- System Configuration Dialog --
Step 9 Enter no in response to the System Configuration Dialog prompts until the following message is displayed:
Press RETURN to get started!
Step 10 Press Return. The user EXEC prompt is displayed as follows:
Router>
Step 11 Enter the enable command to enter privileged EXEC mode. Then enter the show startup-config command to display the passwords in the configuration file as follows:
Router# show startup-config
Step 12 Scan the configuration file display looking for the passwords (the enable passwords are usually near the beginning of the file, and the console login or user EXEC password is near the end). The passwords displayed look something like this:
enable secret 5 $1$ORPP$s9syZt4uKn3SnpuLDrhuei 
enable password 23skiddoo 
. 
. 
line con 0 
 password onramp
The enable secret password is encrypted and cannot be recovered; it must be replaced. The enable and console login passwords may be encrypted or clear text. Proceed to the next step to replace an enable secret, console login, or enable password. If there is no enable secret password, note the enable and console login passwords, if they are not encrypted, and proceed to Step 17.

Caution Do not execute the next step unless you have determined you must change or replace the enable, enable secret, or console login passwords. Failure to follow the steps as shown might cause you to erase your router configuration

Step 13 Enter the configure memory command to load the startup configuration file into running memory. This action allows you to modify or replace passwords in the configuration.
Router# configure memory
Step 14 Enter the privileged EXEC command configure terminal to enter configuration mode:
Hostname# configure terminal
Step 15 Change all three passwords using the following commands:
Hostname(config)# enable secret newpassword1 
Hostname(config)# enable password newpassword2 
Hostname(config)# line con 0 
Hostname(config-line)# password newpassword3
Change only the passwords necessary for your configuration. You can remove individual passwords by using the no form of the above commands. For example, entering the no enable secret command removes the enable secret password.

Step 16 You must configure all interfaces to be not administratively shut down as follows:
Hostname(config)# interface fastethernet 0/0 
Hostname(config-int)# no shutdown
Enter the equivalent commands for all interfaces that were originally configured. If you omit this step, all interfaces are administratively shut down and unavailable when the router is restarted.

Step 17 Use the config-register command to set the configuration register to the original value noted in Step 3 or Step 8, or to the factory default value 0x2102 as follows:
Hostname(config)# config-register 0x2102
Step 18 Press Ctrl-Z (hold down the Control key while you press Z) or enter end to exit configuration mode and return to the EXEC command interpreter.

Caution Do not execute the next step unless you have changed or replaced a password. If you skipped Step 13 through Step 16, skip to Step 20. Failure to observe this caution causes you to erase your router configuration file.

Step 19 Enter the copy running-config startup-config command to save the new configuration to NVRAM.

Step 20 Enter the reload command to reboot the router.

Step 21 Log in to the router with the new or recovered passwords.

This completes the steps for recovering or replacing a lost enable, enable secret, or console login password.

Viewing Your System Configuration

You can use the show version, show hardware, and the show diag commands to view information specific to the hardware configuration of your Cisco 7401ASR router.

Use the show version (or show hardware) command to display the system hardware, processor and the number of interfaces installed, the software version, the names and sources of configuration files, and the boot images.

The following sample output of the show version command shows a Cisco 7401ASR running Cisco IOS Release 12.2(1)DD:
Router# show version
Cisco Internetwork Operating System Software
IOS (tm) 7400 Software (C7400-JS-M), Version 12.2(V99.1)
Copyright (c) 1986-2001 by cisco Systems, Inc.
Compiled Sat 19-May-01 11:31 by
Image text-base:0x60008960, data-base:0x617CA000
ROM:System Bootstrap, Version 12.2(1r)DD1, RELEASE SOFTWARE (fc1)
BOOTFLASH:7400 Software (C7400-KBOOT-M),  
12.2(20010427:125) 
router uptime is 17 hours, 2 minutes
System returned to ROM by reload at 01:09:49 UTC Sat Jan 1 2000
System image file is "tftp://000.000.000.000//tftpboot/biff/122_1_DX/c7400-
mz.V122_1_DX.5.19.01"
cisco 7401ASR (NSE) processor (revision A) with 245760K/16384K bytes of memory
Processor board ID 4294967295
R7000 CPU at 375Mhz, Implementation 39, Rev 3.3, 256KB L2, 2000KB L3 Cache
1 slot ASR midplane, Version 2.0
Last reset from power-on
Bridging software.
X.25 software, Version 3.0.0.
SuperLAT software (copyright 1990 by Meridian Technology Corp).
TN3270 Emulation software.
PXF processor tmc is running.
8 Ethernet/IEEE 802.3 interface(s)
2 Gigabit Ethernet/IEEE 802.3 interface(s)
509K bytes of non-volatile configuration memory.
64256K bytes of ATA PCMCIA card at slot 0 (Sector size 512 bytes).
8192K bytes of Flash internal SIMM (Sector size 256K).
Configuration register is 0x100
Use the show diag command to determine what type of Fast Ethernet/Ethernet port is active or what type of port adapter is installed in your Cisco 7401ASR router. You can also use the show diag slot command to display information about the port adapter slot.

The following example shows the show diag command output from a Cisco 7401ASR router. Note that slot 0 is reserved for the native Gigabit Ethernet and Fast Ethernet/Ethernet ports:

Note Both native Gigabit Ethernet and Fast Ethernet/Ethernet ports are reported as Gigabit Ethernet ports. To select either Gigabit Ethernet or Fast Ethernet/Ethernet ports, use the media-type command. See the "Configuring the Native Gigabit Ethernet and Fast Ethernet/Ethernet Interfaces" section.
Router# show diag
pxf:tmc type TMC ASIC revision 3
ucode:filename 'system:pxf/ucode0' revision 1.1
state: is running, number of starts 1
uptime:2d04h
Memory Configuration:
  Bank Name                         Total     Reserved   In-use      Free
  tmc internal memory column 0      16 Kb    6656 bytes    0 bytes 9728 bytes
  tmc column 0 memory bank 0        32 Mb      26 Mb       0 bytes 5703 Kb   
  tmc internal memory column 1      16 Kb     512 bytes    0 bytes   15 Kb   
  tmc column 1 memory bank 0        32 Mb     480 Kb     352 Kb      31 Mb   
  tmc internal memory column 2      16 Kb    1536 bytes  512 bytes   14 Kb   
  tmc column 2 memory bank 0        32 Mb      23 Kb      32 Kb      31 Mb   
  tmc internal memory column 3      16 Kb      10 Kb       0 bytes 5632 bytes
  tmc column 3 memory bank 0        32 Mb     471 Kb       0 bytes   31 Mb   
Slot 0:
        C7401 GigabitEthernet I/O Controller Port adapter, 2 ports
        Port adapter is analyzed 
        Port adapter insertion time 2d04h ago
        EEPROM contents at hardware discovery:
        Hardware Revision        :0.0
        EEPROM format version 4
        EEPROM contents (hex):
          0x00:04 FF 40 02 80 41 00 00 FF FF FF FF FF FF FF FF
          0x10:FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
          0x20:FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
          0x30:FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
          0x40:FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
          0x50:FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
          0x60:FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
          0x70:FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
Slot 1:
        Channelized T1 (CSU) Port adapter, 8 ports
        Port adapter is analyzed 
        Port adapter insertion time 00:29:09 ago
        EEPROM contents at hardware discovery:
        Hardware revision 1.0           Board revision A0
        Serial number     21713084      Part number    73-2488-07
        Test history      0x0           RMA number     00-00-00
        EEPROM format version 1
        EEPROM contents (hex):
          0x20:01 72 01 00 01 4B 50 BC 49 09 B8 07 00 00 00 00
          0x30:50 00 00 00 00 09 23 00 FF FF FF FF FF FF FF FF
For specific information on the show version, show diag, and other software commands, refer to the modular configuration and modular command reference publications in the Cisco IOS software configuration documentation set that corresponds to the software release installed on your Cisco hardware.

Performing Complex Configurations

After you have installed your Cisco 7401ASR router hardware, checked all external connections, turned on the system power, allowed the system to boot up, and minimally configured the system, you might need to perform more complex configurations, which are beyond the scope of this publication.

For information on configuring VPN on the VPN Acceleration Module, see Chapter 4, "Configuring the VPN Acceleration Module." For other specific information on system and interface configuration, refer to the modular configuration and modular command reference publications in the Cisco IOS software configuration documentation set that corresponds to the software release installed on your Cisco hardware.