Specifying The Startup System Image - Cisco 4500M Software Manual

Chapter 3 Configuring the Switch for the First Time
cisco Catalyst 4000 (MPC8240) processor (revision 3) with 262144K bytes
of memory.
Processor board ID Ask SN 12345
Last reset from Reload
Bridging software.
49 FastEthernet/IEEE 802.3 interface(s)
20 Gigabit Ethernet/IEEE 802.3 interface(s)
271K bytes of non-volatile configuration memory.
Configuration register is 0xEC60
Switch#

Specifying the Startup System Image

You can enter multiple boot commands in the startup configuration file or in the BOOT environment
variable to provide backup methods for loading a system image.
The BOOT environment variable is also described in the "Specify the Startup System Image in the
Configuration File" section in the "Loading and Maintaining System Images and Microcode" chapter of
the Cisco IOS Configuration Fundamentals Configuration Guide.
Use the following sections to configure your switch to boot from Flash memory. Flash memory can be
either single in-line memory modules (SIMMs) or Flash disks. Check the appropriate hardware
installation and maintenance guide for information about types of Flash memory.
Using Flash Memory
Flash memory allows you to do the following:
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•
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Flash Memory Features
Flash memory allows you to do the following:
•
•
Security Precautions
Note the following security precaution when loading from Flash memory:
You can only change the system image stored in Flash memory from privileged EXEC level on the
Caution
console terminal.
OL-6696-01
Copy the system image to Flash memory using TFTP
Boot the system from Flash memory either automatically or manually
Copy the Flash memory image to a network server using TFTP or RCP
Remotely load multiple system software images through TFTP or RCP transfers (one transfer for
each file loaded)
Boot a switch manually or automatically from a system software image stored in Flash memory (you
can also boot directly from ROM)
Modifying the Supervisor Engine Startup Configuration
Software Configuration Guide—Release 12.2(25)EW
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