Specifications

6-6
Cisco AS5x00 Case Study for Basic IP Modem Services
11/24/1999
Section 6 Modem Management Operations
Managing Modem Firmware
1.2 Upgrading Modem Firmware
Cisco regularly enhances modem DSP code to improve modem performance. To obtain the latest DSP
code, upgrade the NAS modem firmware.
Figure 6-1 summarizes the firmware upgrade procedure.
Figure 6-1 Modem Firmware Download Operation Example
Step 1
Read the latest modem release notes about modem and firmware information on CCO. Understand the
latest enhancements and bug fixes before you download code. Refer to the following URL for the latest
release notes:
http://www.cisco.com/univercd/cc/td/doc/product/access/fwpwinfo/index.htm
Step 2
Download the latest firmware from CCO to the NAS Flash or bootFlash memory. Depending on which
Cisco IOS you are running, there are two ways you can get the latest firmware from CCO into the NAS
Flash or bootFlash. Table 6-2 describes these two methods.
TFTP
server
CCO
Mica-modem-pw.x.x.x.x.
(portware file)
Internal view
of a NAS
28055
Internet
Legend
Download the portware
from CCO to a TFTP
server or directly into
the NAS.
Map the portware to
the modems.
2
1
1
2
Table 6-2 Firmware Copy Commands
Cisco IOS Command Purpose
12.0T and later
copy ftp
Copy a file directly from CCO into Flash,
without staging it at a local TFTP server.
11.3 and later
copy tftp: {flash: | bootflash:}
Copy from a TFTP server.