EPICenter Concepts and Solutions Guide
161
11 Policy Manager Overview
This chapter describes:
● An overview of the Policy Manager features
● An introduction to the concepts that are fundamental to creating policies using the EPICenter Policy
Manager
Overview of the Policy Manager
Policy-based management is used to protect and guarantee delivery of mission-critical traffic. A
network policy is a set of high-level rules for controlling the priority of, and amount of bandwidth
available to, various types of network traffic. Using EPICenter, policies can be defined in terms of
individual users and desktop systems, not just by IP or MAC addresses, ports, or VLANs.
The EPICenter Policy Manager lets you work with high-level policy components (users, desktop
systems, groups of users or systems, applications, and groups of devices and ports) in defining policies.
The policy system translates those policy components into the specific information needed for QoS
configuration of network devices. It also detects overlaps and conflicts in policies, with precedence rules
for resolving conflicting QoS rules.
NOTE
The EPICenter policy system is based on the policy-based QoS capabilities in the ExtremeWare software. For details
on the capabilities and implementation of QoS in Extreme switches, see the ExtremeWare Software User Guide or
the ExtremeWare Release Note for the version(s) of the software running on your switches.
The EPICenter Policy Manager is a separately-licensed component of the EPICenter product family.
When a Policy Manager license is installed on the EPICenter server, the Policy icon appears in the
Navigation Toolbar at the left of your browser window.
If no icon is present, it indicates that no current license can be found for the Policy Manager module.
See the EPICenter Installation and Upgrade Note or the EPICenter Release Note for information on obtaining
and installing a license.
The EPICenter Policy Manager is organized into two functional areas.
● The Policies View, where you can create, view, and modify EPICenter policy definitions for Extreme
devices. The organizing principle within the Policies view is the policy definition.
● The ACL Viewer, where you can view the access list and QoS rules generated by the Policy Manager
for the devices in your network. You cannot modify EPICenter policy definitions from within this
view. The organizing principle within the ACL Viewer is the network device.
From either the Policies View or ACL Viewer, you can modify the QoS profiles, change policy
precedence, and configure the currently-enabled policies on one or more devices.
The Policy Manager is closely tied to the EPICenter Grouping applet, which is used to define the
network resources that can be used as traffic endpoints or to specify the policy scope in a policy
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