Cisco Cisco Expressway Maintenance Manual
About upgrading software components
You can install new releases of the Expressway software components on your existing hardware.
Component upgrades can be performed in one of two ways:
Component upgrades can be performed in one of two ways:
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- this is the recommended process.
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(SCP/PSCP).
This guide describes how both of these methods are used to perform upgrades.
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We recommended that you upgrade Expressway components while the system is inactive.
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Expressway software components
All existing installed components are listed on the
Upgrade
page (
Maintenance > Upgrade
), showing their
current version and associated release key where appropriate.
The main component is the System platform, and when upgraded this will typically include automatic
upgrades of some or all of the other components. However, you can independently upgrade the other
components if required to do so. The upgrade process ensures that compatibility is maintained across all
components.
upgrades of some or all of the other components. However, you can independently upgrade the other
components if required to do so. The upgrade process ensures that compatibility is maintained across all
components.
Upgrade prerequisites
The upgrade requires you to have:
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a valid Release key, if you are upgrading to the next major release of the System platform, for example
from X8.1 to X9.0; it is not required for dot releases, for example X8.1 to X8.2
from X8.1 to X9.0; it is not required for dot releases, for example X8.1 to X8.2
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a software image file for the component you want to upgrade, and it is stored in a network location that is
locally accessible from your client computer; use the standard .tar.gz software image file when upgrading a
virtual machine (the .ova file is only required for the initial install of the Expressway software on VMware)
locally accessible from your client computer; use the standard .tar.gz software image file when upgrading a
virtual machine (the .ova file is only required for the initial install of the Expressway software on VMware)
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release notes for the software version you are upgrading to — additional manual steps may be required
Contact your Cisco representative for more information on how to obtain these.
Backing up before upgrading
Upgrading and option keys
All existing option keys are retained through the upgrade from one version of the System platform to the
next, including upgrades to the next major release. However, you are recommended to take note of your
existing option keys before performing the upgrade.
next, including upgrades to the next major release. However, you are recommended to take note of your
existing option keys before performing the upgrade.
New features may also become available with each major release of the System platform component, and
you may need to install new option keys to take advantage of these new features. Contact your Cisco
representative for more information on all the options available for the latest release of Expressway software.
you may need to install new option keys to take advantage of these new features. Contact your Cisco
representative for more information on all the options available for the latest release of Expressway software.
Installing and rebooting
Upgrading the System platform component is a two-stage process. First, the new software image is
uploaded onto the Expressway. At the same time, the current configuration of the system is recorded, so that
uploaded onto the Expressway. At the same time, the current configuration of the system is recorded, so that
Cisco Expressway Administrator Guide (X8.2)
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Maintenance
About upgrading software components