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CHAPTER 4
System Startup and Basic System
Configuration
The system startup process and a procedure for performing a basic configuration
of your Cisco 12010, Cisco 12410, or Cisco 12810 router is presented in the
following sections:
• Sources of Cisco IOS Software, page 4-2
Preconfiguration Requirements, page 4-2
Boot Process Overview, page 4-3
Powering On the Router and Observing the Boot Process, page 4-4
Manually Booting the System, page 4-11
Configuring the Router, page 4-14
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Chapter 4 System Startup and Basic System Configuration Sources of Cisco IOS Software This chapter provides you with the information to configure your system so that it can access the network or enable other hosts in the network to access your system remotely by means of a Telnet connection. Detailed configuration procedures are beyond the scope of this document, but you can find more information in the “Post-Installation Procedures” section on page 4-63. Sources of Cisco IOS Software A de
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Chapter 4 System Startup and Basic System Configuration Boot Process Overview A terminal device is connected to the console port on the RP, powered on, and configured for 9600 bps, 8 data bits, no parity, and 2 stop bits (9600, 8N2). Note You must connect a terminal to the RP to perform the initial configuration of the router. The flash memory card that shipped with your router is installed in slot 0 of the RP. The software configuration register is set to 0x0102 (default), causing t
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Chapter 4 System Startup and Basic System Configuration Powering On the Router and Observing the Boot Process 7. When the Cisco IOS software boots, it polls all other cards in the system, powers them on, and loads the Cisco IOS software they require. 8. The RP waits for all other cards to finish their boot processes. Powering On the Router and Observing the Boot Process The first time you start the router, observe the following conditions: Step 1 Switch on all the circuit breakers that contr
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PROCESSOR Chapter 4 System Startup and Basic System Configuration Powering On the Router and Observing the Boot Process Step 4 Observe the RP alphanumeric LED displays during the RP boot process (Figure 4-1). Figure 4-1 RP Alphanumeric LED Displays Upper alphanumeric LED display (four digits) Lower alphanumeric LED display (four digits) Each 4-digit display shows part of a 2-line system message. During the RP boot process, the LED displays present a sequence of messages similar to that sho
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Chapter 4 System Startup and Basic System Configuration Powering On the Router and Observing the Boot Process Table 4-1 RP Alphanumeric LED Display Sequence Examples (continued) 1 LED Display Meaning Source PRI The RP is enabled and is recognized as the system primary RP. A valid RP Cisco IOS RP Cisco IOS image is running. software SEC The RP is enabled and is recognized as the system secondary RP. A RP Cisco IOS RP valid Cisco IOS image is running. software 1. Some LED sequences may occur t
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EJECT SLOT-1 SLOT-0 RESET AUX COLL RX LINK TX RJ-45 MII Chapter 4 System Startup and Basic System Configuration Powering On the Router and Observing the Boot Process Figure 4-2 GRP LEDs—Partial Front Panel View Figure 4-3 PRP Ethernet Ports and LEDs—Partial Front Panel View ETH 0 ETH 1 Cisco 12010, Cisco 12410, and Cisco 12810 Router Installation and Configuration Guide OL-11496-01 4-7 PRIMARY PRIMARY SLOT-1 SLOT-0 EN LINK RX TX EN LINK RX TX H10762 70693
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Chapter 4 System Startup and Basic System Configuration Powering On the Router and Observing the Boot Process Step 6 During the line card boot process, observe the alphanumeric LED displays on each line card (Figure 4-4). Note The line card boot process occurs immediately after the RP boot process. The system attempts to boot identical line cards in parallel. Further, the system boots line cards as soon as they are powered on and become available. Each line card displays a sequence similar
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Chapter 4 System Startup and Basic System Configuration Powering On the Router and Observing the Boot Process Table 4-2 Line Card Alphanumeric LED Display Sequence Examples (continued) 1 LED Display Meaning Source ROMI The ROM image is being loaded into line card memory. RP Cisco IOS GET software 3 FABL The line card is waiting for the fabric downloader to load. RP CiscoIOS WAIT software FABL The fabric downloader is being loaded into line card memory. RP Cisco IOS DNLD software FABL The fa
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Chapter 4 System Startup and Basic System Configuration Powering On the Router and Observing the Boot Process Step 7 The router automatically boots using the default image (if a flash memory card containing a valid Cisco IOS software image is inserted in slot 0 and the software configuration register is set to 0x0102). As the router boots the Cisco IOS software image, a system banner similar to the following appears: Cisco Internetwork Operating System Software IOS (tm) GS Software (GSR-P
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Chapter 4 System Startup and Basic System Configuration Manually Booting the System You do not need to configure the network interfaces immediately, but you cannot connect to a network until you configure the interfaces for operation in your network environment. For configuration information, see the “Configuring the Router” section on page 4-14. Note The interface-specific LEDs on the line cards may not power on until you configure the line card interfaces. To verify correct operation of
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Chapter 4 System Startup and Basic System Configuration Manually Booting the System Locating a Valid Cisco IOS Software Image Use the following procedure to locate a Cisco IOS software image to manually boot the router from the ROM monitor prompt (rommon>). Step 1 Enter the ROM monitor mode dir bootflash command to examine the contents of the onboard flash memory in NVRAM on the RP. rommon 1> dir bootflash: File size Checksum File name 3277967 bytes (0x32048f) 0x6b331e30
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Chapter 4 System Startup and Basic System Configuration Manually Booting the System Caution Use the boot flash command with care. Make sure that the flash memory card inserted in slot 0 contains a valid Cisco IOS software image; otherwise, you could instruct the system to boot an invalid image from the flash memory card. Before entering a boot command, always enter the dir slotn: command to examine the contents of a flash memory card. Table 4-3 Boot Commands Command Purpose boot (No argum
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Chapter 4 System Startup and Basic System Configuration Configuring the Router Note If you did not change the configuration register setting, the next reload will revert to the default configuration register setting (0x0102). This setting causes the system to boot Cisco IOS software from a flash memory card inserted in slot 0 the next time you boot the router. See the “Configuring the Software Configuration Register” section on page 4-31 for additional information. Configuring the Router Y
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Chapter 4 System Startup and Basic System Configuration Cisco IOS User Interface You can use the method that suits your operating style and your knowledge of network configuration requirements. Whether you use the setup command facility or global configuration mode to configure the router to operate in your networking environment, be sure you know the: Interfaces the router has. Protocols the router is routing. Network addresses for the protocols being configured. Password scheme fo
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Chapter 4 System Startup and Basic System Configuration Cisco IOS User Interface The configuration modes allow you to make changes to the running configuration file. If you save the configuration, the commands are stored and persist across router reboots. In order to access the various configuration modes, you must start from global configuration mode. From global configuration mode, you can enter interface configuration mode, subinterface configuration mode, and a variety of protocol-spe
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Chapter 4 System Startup and Basic System Configuration Cisco IOS User Interface The following example shows the change from user EXEC mode to privileged EXEC mode. Router> enable password: Router# For information about using passwords, see the “Configuring Passwords” section on page 4-23. Global Configuration Mode Global configuration commands: Apply to features that affect the system as a whole, rather than just one protocol or interface. Use the configure terminal comman
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Chapter 4 System Startup and Basic System Configuration Cisco IOS User Interface Subinterface Configuration Mode Use subinterface configuration mode to configure multiple virtual interfaces (called subinterfaces) on a single physical interface. Subinterfaces appear to be distinct physical interfaces to the various protocols. For detailed information on how to configure subinterfaces, refer to the appropriate module for a specific protocol in the Cisco IOS software documentation. ROM Monito
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Chapter 4 System Startup and Basic System Configuration Cisco IOS User Interface To use the setup command to change a configuration: 1. You must toggle through each system configuration dialog prompt until you come to the item that you intend to change. – To accept default settings for items that you do not want to change, press the Return key. – To return to the privileged EXEC prompt without making changes and toggling through each system configuration dialog prompt, press Ctrl-C. The se
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Chapter 4 System Startup and Basic System Configuration Cisco IOS User Interface to configure each interface of the system. Would you like to enter basic management setup? [yes/no]: Yes Configuring global parameters: Enter host name [Router]: Milo The enable secret is a password used to protect access to privileged EXEC and configuration modes. This password, after entered, becomes encrypted in the configuration. Enter enable secret [
