Cisco Cisco NAC Appliance 4.1.0
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Cisco NAC Appliance - Clean Access Manager Installation and Administration Guide
OL-12214-01
Chapter 11 Distributing the Clean Access Agent
Configure Clean Access Agent Auto-Upgrade
Auto-Upgrade Compatibility
The newest version of the Clean Access Agent Setup Installation and Patch (Upgrade) installation files
are automatically included with the CAM software for each Cisco NAC Appliance software release.
Every version of the Clean Access Agent is intended to have basic compatibility with the same version
of the server product. For example:
are automatically included with the CAM software for each Cisco NAC Appliance software release.
Every version of the Clean Access Agent is intended to have basic compatibility with the same version
of the server product. For example:
•
4.1.0.0 Agent works with 4.1(0) CAS/CAM
•
4.0.0.0 Agent works with 4.0(0) CAS/CAM
Basic compatibility means the Agent is able to perform basic functions such as login, logout, look for
configured requirements, and report vulnerabilities.
configured requirements, and report vulnerabilities.
Versioning
The 4-digit versioning of the Clean Access Agent differentiates major versus minor upgrades as follows:
•
Agent version 4.1.0.0 is bundled with Cisco NAC Appliance version 4.1(0).
•
Minor upgrades to the Agent (e.g. 4.1.0.1) typically reflect enhancements for Agent compatibility
or AV/AS product support.
or AV/AS product support.
For a new Agent version bundled with a Cisco NAC Appliance release (e.g. 4.1.0.0), the new Agent
incorporates and supersedes previous minor updates of the Agent (e.g. 4.1.0.1). By design, every 4.1
Agent is intended to have basic backward compatibility with any 4.1(x) Clean Access Server.
incorporates and supersedes previous minor updates of the Agent (e.g. 4.1.0.1). By design, every 4.1
Agent is intended to have basic backward compatibility with any 4.1(x) Clean Access Server.
Updates to versions of the Clean Access Agent may add additional functionality, or AV/AS support in
conjunction with updated product support for the Supported AV/AS Product List.
conjunction with updated product support for the Supported AV/AS Product List.
Cisco Updates
Once the Clean Access Agent is installed on clients, it automatically detects when an Agent upgrade is
available, downloads the upgrade from the CAS, and upgrades itself on the client after user confirmation.
Administrators can make Agent Auto-Upgrade mandatory or optional for users.
available, downloads the upgrade from the CAS, and upgrades itself on the client after user confirmation.
Administrators can make Agent Auto-Upgrade mandatory or optional for users.
The Clean Access Agent Distribution page provides a “Do not offer current Clean Access Agent Patch
to users for upgrade” option to prevent upgrade notifications when an Agent update becomes available
on the CAM. Enabling this option prevents distribution of the Agent Patch upgrade to users when a
newer Agent is downloaded to the CAM.
to users for upgrade” option to prevent upgrade notifications when an Agent update becomes available
on the CAM. Enabling this option prevents distribution of the Agent Patch upgrade to users when a
newer Agent is downloaded to the CAM.
Note
•
Only 4.1(x) Clean Access Servers can auto-download 4.1.x.x Agents and distribute them to clients.
•
Customers upgrading to 4.1(x) should upgrade all clients to the 4.1.x.x Agent
•
Auto-upgrade is typically supported from any 3.5.1+ Agent directly to the latest 4.1.x.x Agent.
•
Agents are not supported across major releases. Do not use 4.1.x.x Agents with prior releases (e.g.
4.0(x)/3.6(x)) or vice versa. However, the upgrade of older Agents (3.5.1+) to 4.1.x.x is supported.
4.0(x)/3.6(x)) or vice versa. However, the upgrade of older Agents (3.5.1+) to 4.1.x.x is supported.
•
For users with Agents older than 3.5.1, see
.
•
For further details on version upgrade restrictions, refer to the “Agent Upgrade Compatibility
Matrix” of the
Matrix” of the
.