The Paragon-X supports the execution of G.8261 PDV impairment patterns at T1 and E1 rates only.
However, there is a method by which these lower rate PDV patterns can be applied at higher transmission rates like T3/DS3. This involves using the Multi Flow delay impairment mode within the Add Delay/Impairments function.
Having selected CES operating mode and used the Select Flow/Flow Wizard method to identify the stream of interest:
Select Add Delay/Impairments
Tick the Enable button and choose the Delay tab
In the Type selection, choose Multi-Flow
In the Variable Delay Insertion section , tick the Enable button
Select the User Defined choice and press Import to load the appropriate pattern file
e.g. g8261_tc3a_1000pps_20100203.cpd
The delay impairment can now be started using the Start Impairments button
This feature allows a profile to be replayed onto multiple flows. Each point from the profile is applied to a period of time e.g. for a profile for a 1000 packets per second flow, each point is applied to a 1msec interval. There is therefore no limit to the number of flows and/or packets that can be impacted during each period. The feature can be used to apply a profile to multiple flows in parallel. |
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