Cisco Cisco Content Security Management Appliance M380 Mode D'Emploi
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AsyncOS 9.5.x for Cisco Content Security Management Appliances User Guide
Chapter 14 Common Administrative Tasks
Upgrading AsyncOS
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Batch Commands for Upgrades
Batch commands for upgrade procedures are documented in the CLI Reference Guide for AsyncOS for
Email at
Email at
Determining Network Requirements for Upgrades and Updates
The update servers for Cisco content security appliances use dynamic IP addresses. If you have strict
firewall policies, you may need to configure a static location for AsyncOS upgrades. If you determine
that your firewall settings require a static IP for upgrades, contact Cisco Customer support to obtain the
required URL addresses.
firewall policies, you may need to configure a static location for AsyncOS upgrades. If you determine
that your firewall settings require a static IP for upgrades, contact Cisco Customer support to obtain the
required URL addresses.
Note
If you have any existing firewall rules allowing download of legacy upgrades from
upgrades.cisco.com
ports such as 22, 25, 80, 4766, they will need to be removed and/or replaced with revised firewall rules.
Choosing an Upgrade Method: Remote vs. Streaming
Cisco provides two methods (or ‘sources’) for upgrading AsyncOS on your appliances:
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Streaming upgrades — Each appliance downloads the AsyncOS upgrades via HTTP directly from
the Cisco content security update servers.
the Cisco content security update servers.
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Remote upgrades — You only download the upgrade image from Cisco one time, and then serve it
to your appliances. Your appliances then download the AsyncOS upgrades from a server within your
network.
to your appliances. Your appliances then download the AsyncOS upgrades from a server within your
network.
You will configure the upgrade method in
. Optionally, use the updateconfig command in the CLI.
Streaming Upgrade Overview
In Streaming upgrades, each Cisco Content Security appliance connects directly to the Cisco content
security update servers to find and download upgrades:
security update servers to find and download upgrades: