To specify a source subscriber as a mirror source
Steps
| 1  | Choose Manage→Service→Mirror Services from the NFM-P main menu. The Manage Mirror Services form opens. | 
| 2  | Select a mirror service and click Properties. The Mirror Service (Edit) form opens. | 
| 3  | In the service navigation tree, expand Source Sites→source_sites, right-click on Source Subscribers and choose Create Source Subscriber. The Source Subscriber (Create) form opens. | 
| 4  | Configure the required parameters. | 
| 5  | You can further restrict the mirrored subscriber host traffic associated with the subscriber identification string by specifying SAP or SLA-profile criteria. To specify an SLA profile as a match criterion, go to Step 7 . Note: You can configure parameters in the SAP/Subscriber Host Match Criteria panel or the SLA Profile Match Criteria panel, but you cannot configure parameters in both panels. | 
| 6  | Specify a SAP on which to mirror subscriber host traffic. Note: The form lists only dot1q- or QinQ-encapsulated SAPs that have subscriber management enabled. Perform the following 
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| 7  | To specify an SLA profile as a match criterion, select an SLA profile in the SLA Profile Match Criteria panel. | 
| 8  | Save the changes and close the forms. End of steps |