Filtering capabilities are provided at both the system- and router-level views, and provide similar functionality. When there are many flows traversing the network, the Flow graphs can become overwhelming. The filtering capabilities allow the user to show only specific flows that match particular criteria.

By default, LiveNX includes several pre-defined Flow filters. The Flow filter option also allows the creation and editing of user-defined filters. In the example below, the Custom End Point Filter will filter the display of Flow data, limiting the display to a specific device, interface, interface direction (ingress), and bit rate. The image below shows the application of the user-defined