Cisco Cisco Email Security Appliance C160
8
Release Notes for Cisco AsyncOS 8.5.6 for Email
Upgrade Paths
Upgrade Paths
You can upgrade to release 8.5.6-074 from the following versions:
•
7.6.3-019
•
8.0.1-023
•
8.0.1-111
•
8.5.6-063
•
8.5.6-073
To ensure a successful upgrade, you must complete some steps before you start the upgrade process. For
details on these prerequisites, see
details on these prerequisites, see
.
Installation and Upgrade Notes
Read through and consider the installation and upgrade impacts listed in this section.
When you upgrade AsyncOS for Email from the web interface or Command Line Interface (CLI), the
configuration is saved to file in the /configuration/upgrade directory. You can access the upgrade
directory using an FTP client. Each configuration file name is appended with the version number, and
passwords in the configuration file are masked so they are not human readable.
configuration is saved to file in the /configuration/upgrade directory. You can access the upgrade
directory using an FTP client. Each configuration file name is appended with the version number, and
passwords in the configuration file are masked so they are not human readable.
You must be logged in as the admin to upgrade. Also, you must reboot the appliance after upgrading.
Deploying a Virtual Appliance
If you are deploying a virtual appliance, see the Cisco Content Security Virtual Appliance Installation
Guide.
Guide.
If you are switching from a physical appliance to a virtual appliance, you will need to convert your
configuration file to an AsyncOS 8.0 virtual appliance configuration file. For information, see the
Release Notes for Configuration Migration Tool 1.0 for Cisco Content Security Virtual Appliances. You
can import the AsyncOS 8.0 virtual appliance configuration file into a virtual appliance running
AsyncOS 8.5.
configuration file to an AsyncOS 8.0 virtual appliance configuration file. For information, see the
Release Notes for Configuration Migration Tool 1.0 for Cisco Content Security Virtual Appliances. You
can import the AsyncOS 8.0 virtual appliance configuration file into a virtual appliance running
AsyncOS 8.5.
Loading configuration
in clustered appliances
in clustered appliances
You can now load configuration in clustered appliances in the following
scenarios:
scenarios:
•
If you are migrating from on-premise environment to hosted environment
and you want to migrate the on-premise cluster configuration to the
hosted environment.
and you want to migrate the on-premise cluster configuration to the
hosted environment.
•
If an appliance in a cluster is down or needs to be retired and you want
to load the configuration from this appliance to a new appliance that you
plan to add to the cluster.
to load the configuration from this appliance to a new appliance that you
plan to add to the cluster.
•
If you want to load a backed up configuration to a cluster.
See also
.
Feature
Description