
44 Second-Generation Channel Interface Processor (CIP2) Installation and Configuration
CIP2 Microcode Guidelines
Upgrading from a Flash Memory Card
For CIP2 microcode that shipped on Flash memory cards, do the following:
Step 1 Insert the Flash memory card into a Flash memory card slot 0.
Step 2 Configure the router to boot from the Flash memory card in slot 0.
Note For the specific procedures associated with the steps in this overview, refer to the companion
publication Upgrading Software and Microcode in Cisco 7000 Series and Cisco 7500 Series Routers
(Document Number 78-1144-xx), which includes the information and procedures necessary to
upgrade your CIP2 microcode.
The Upgrading Software and Microcode in Cisco 7000 Series and Cisco 7500 Series Routers
publication includes information on upgrading software and microcode images, transferring files to
and from Trivial File Transfer Protocol (TFTP) servers, copying files between nonvolatile
random-access memory (NVRAM) and Flash memory, and between TFTP servers and Flash
memory; the publication also includes basic instructions for booting your system.
Configuring Microcode
This section describes how to modify the startup configuration to load different microcode images
at startup, or to change existing configuration instructions and reenable the system default.
At system startup or reload, the system loads a microcode image for each processor type. All
processors of the same type use the same microcode image; only one image for each type can load
at startup. The CIP2 Flash memory provides a CIP2 microcode boot image. The entire CIP2
microcode image is located in a Flash memory card, on a floppy disk, or is available from CCO or
from a TFTP server.
Whenever you upgrade software or microcode by downloading new images into Flash memory, you
must configure the system to load the new image at startup. Otherwise, the system will continue to
load the default image from the system, or attempt to load the previous image (if any) if it is still
specified in the configuration file.
Note If you are running anything other than the default CIP2 microcode with your Cisco IOS image
and you want to upgrade to a later version of Cisco IOS, and want to use the default CIP2 microcode
that comes with that later version, you have to remove the microcode cip flash statement from the
system configuration file, otherwise the Cisco IOS will try to load that old version of the CIP2
microcode.
To instruct the system to boot a CIP2 microcode image other than the default at startup, use the
microcode cip flash [bootflash | slot0 | slot1 ]:filename configuration command to add the
instructions to the configuration file.
Note If you are currently running a previous Cisco IOS release, refer to the appropriate
configuration and command reference publications for specific commands that apply to this
procedure depending on your Cisco IOS release. All Cisco IOS release documentation is available
on the Cisco Connection Documentation, Enterprise Series CD-ROM.