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Configuring Maximum Duplicates

You can optionally specify the maximum number of duplicate packets the DFC PIC is allowed to generate from a single input packet. This limitation is intended to reduce the load on the PIC when packets are sent to multiple destinations. When the maximum number is reached, the duplicates are sent to the destinations with the highest criteria class priority. Within classes of equal priority, criteria having earlier timestamps are selected first.

To configure this limitation, include the max-duplicates statement at the [edit services dynamic-flow-capture capture-group client-name] hierarchy level:




max-duplicates number;

You can also apply the limitation on a global basis for the DFC PIC by including the g-max-duplicates statement at the [edit services dynamic-flow-capture] hierarchy level:




g-max-duplicates number;

By default, the maximum number of duplicates is set to 3. The range of allowed values is 1 through 64. A setting for max-duplicates for an individual capture-group overrides the global setting.

In addition, you can specify the frequency with which the application sends notifications to the affected control sources that duplicates are being dropped because the threshold has been reached. You configure this setting at the same levels as the maximum duplicates settings, by including the duplicates-dropped-periodicity statement at the [edit services dynamic-flow-capture capture-group client-name] hierarchy level or the g-duplicates-dropped-periodicity statement at the [edit services dynamic-flow-capture] hierarchy level:




duplicates-dropped-periodicity seconds;

g-duplicates-dropped-periodicity seconds;

As with g-max-duplicates, g-duplicates-dropped-periodicity applies the setting globally for the application and is overridden by a setting applied at the capture-group level. By default, the frequency for sending notifications is 30 seconds.

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