C H A P T E R 4 System Startup And Basic Configuration; Sources Of Cisco Ios Software; Preconfiguration Requirements - Cisco 12416 Installation And Configuration Manual

Sources of Cisco IOS Software

Sources of Cisco IOS Software

Preconfiguration Requirements

Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
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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
A default Cisco IOS software image for your system is available through any of
the following internal or external sources:
Onboard flash memory on the Route Processor (RP)—The latest Cisco IOS
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software image is preloaded into the flash memory, and it is a single inline
memory module (SIMM). Flash memory is also referred to as nonvolatile
random access memory (NVRAM). NVRAM retains its contents when you
power off the system.
Flash memory card—A flash memory card (sometimes referred to as a flash
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disk) inserted in a PCMCIA slot on the RP can serve as an external storage
medium for a default Cisco IOS software image.
TFTP server—A Trivial File Transfer Protocol (TFTP) server in the network
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can also function as an external source of a default Cisco IOS software image.
You can download a valid Cisco IOS software image from such a remote host
using a Telnet connection.
Before you configure your system, confirm the following:
All cards are securely installed.
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All interface cable connections are secure and use cable strain relief where
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provided.
All source power cables are securely fastened to the PDUs, and are connected
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to the appropriate power source.
Chapter 4 System Startup and Basic Configuration
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