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Cisco PGW 2200 Softswitch Release 9.8 Software Installation and Configuration Guide
OL-18083-01
Chapter 5 Migrating to Solaris 10 and Cisco PGW 2200 Softswitch Software Release 9.8
Falling Back Overview
Falling Back Overview
Cisco PGW 2200 Softswitch supports both Sparc-based and Opteron-based platforms on Release 9.7(3)
and 9.8(1). Prior to Release 9.7(3), only Sparc-based platforms are supported. In order to fall back to a
previous release, you need to find out the current Sun platform you are using, the previous
Cisco PGW 2200 Softswitch software version to fall back to, and the target Sun platform to fall back to.
See the Cisco PGW 2200 Softswitch Hardware Installation Guide (Release 7 & 9) to find out supported
Sun platforms for Cisco PGW 2200 Softswitch software Release 9.5(2), 9.6(1), and 9.7(3).
Table 5-4 shows fallback procedures from Cisco PGW 2200 Softswitch Release 9.8 to previous releases
across different platforms. The fallback platforms are listed in the first column. You can find the fallback
procedure based on your fallback platform and your existing Cisco PGW 2200 Softswitch platform.
Falling Back to the Cisco PGW 2200 Softswitch Software
Release 9.7 without Platform Changes
Perform the following procedure to fall back to the Cisco PGW 2200 Softswitch software Release 9.7(3)
without platform changes.
Step 1 Log in the Cisco PGW 2200 Softswitch as root.
Step 2 Uninstall the Cisco PGW 2200 Softswitch Release 9.8(1). See the “Removing a
Cisco PGW 2200 Softswitch Software Version: Sample Output for uninstall.sh” section on page E-1.
Note Answer n to the question, "Is the uninstall being done in order to upgrade to a new version of
the software?", at the beginning of the uninstallation procedure.
Step 3 Install Cisco PGW 2200 Softswitch software Release 9.7(3).
See Chapter 3, “Installing Cisco MCG Software Release 9.7 and Higher”, in the Cisco Media Gateway
Controller Software Installation and Configuration (Release 9.7).
Table 5-4 Fallback Procedures from Release 9.8 to Previous Releases Across Different Platforms
From Release 9.8 To Release 9.5 or 9.6 To Release 9.7
Sparc-based Sparc-based Opteron-based
Sparc-based
Falling Back to Solaris 8 and
Cisco PGW 2200 Softswitch
Release 9.5 or 9.6, page 5-27
Falling Back to the
Cisco PGW 2200 Softswitch
Software Release 9.7 without
Platform Changes, page 5-26
Falling Back to Previous
Cisco PGW 2200 Softswitch
Software Releases with Platform
Changes, page 5-32
Opteron-based
Falling Back to Previous
Cisco PGW 2200 Softswitch
Software Releases with Platform
Changes, page 5-32
Falling Back to Previous
Cisco PGW 2200 Softswitch
Software Releases with Platform
Changes, page 5-32
Falling Back to the
Cisco PGW 2200 Softswitch
Software Release 9.7 without
Platform Changes, page 5-26