Flow Maps

Multicast flow maps enable you to manage a subset of multicast forwarding table entries. For example, you can specify that certain forwarding cache entries be permanent or have a different timeout value from other multicast flows that are not associated with the flow map policy.

The three steps to create a flow map are:

1. Create a policy that contains source and group addresses of multicast flows.
2. Define a flow map that references the flow map policy.
3. Define the properties that the flow map applies to the flows that are selected by the flow map policy.

The steps are explained in the following sections:

• Creating a Flow Map
• Defining Flow Properties
• Displaying the Flow Maps

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