Cisco AS5300 Universal Access Server Software Configuration Guide
Upgrading Modem Code
A-10
Note You must be a registered Cisco user to log into Cisco Connection Online (CCO).
Important Modem Upgrade Commands
There are several commands you use to upgrade modem code. For examples on using the commands,
see “Upgrading Modem Code from the Cisco CCO TFTP Server,” “Upgrading Modem Code from
Diskettes,” and “Using the Modem Code Bundled with Cisco IOS Software,” later in this appendix
for details.
•
Use the copy tftp flash filename command to copy any version of modem code (no matter how
it is obtained) into system Flash memory. You can store several versions of the modem code in
system Flash memory under different filenames.
•
Use the copy flash modem command to transfer a specified version (filename) of modem code
from system Flash memory to the modem RAM and map that version to the modem modules
(slots/ports) specified in response to the modem range query.
•
Use the copy system:/ucode/filename modem command (or, for Cisco IOS releases earlier than
11.3AA or 12.0, the copy ios-bundled modem command) to transfer the version of modem code
bundled with the Cisco IOS software release to the modem RAM and map that version to the
modem modules (slots/ports) specified in response to the modem range query. To view a list of
microcode filenames, use the command dir system:/ucode.
Choosing an Update Strategy
Because of multiple versions of modem code and the way Cisco IOS software processes these
versions, Cisco suggests that you choose one of the following two strategies:
•
Always allow Cisco IOS software to select the version of modem code.
•
Always control the version of modem code used by the modules, independent of Cisco IOS
software selections.
Caution
Cisco ships the access server with the latest version of modem code installed in the system Flash
memory and mapped to the modems. If you choose to use the modem code bundled with your installed
Cisco IOS software, you could be reverting to a previous version of modem code. Also note that once you
map the bundled modem code (using the copy system:/ucode command or, for releases earlier than
Cisco IOS release 11.3AA or 12.0, the copy ios-bundled modem command) to your modems, each time you
upgrade the Cisco IOS software, the new bundled modem code is automatically mapped to your modems. See
“Displaying Modem Code Versions,” later in this appendix, for details on displaying modem code versions
mapped to modems, installed in system Flash memory, and bundled with the Cisco IOS software on your
access server.
To help with the decision, Figure A-1 shows a hypothetical release process. Using the modem code
bundled with Cisco IOS software is the easier strategy and enables you to take advantage of new
modem code whenever you upgrade your Cisco IOS software. You can control the modem code by
using the copy command as discussed later.
Summary of Contents for AS5300 - Universal Access Server
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