Configuring mirroring sources

If you are selecting nodes, interfaces, or sub-interfaces by label, ensure that labels have already been assigned. A mirror source can be ISL or downlinks.
Note: You cannot edit a mirror source after it has been created; you can only create or delete mirror sources.
  1. Click the main menu , then select Traffic Mirroring.
  2. From the drop-down list, select Source Groups.
  3. Click +CREATE SOURCE GROUP.
  4. Configure basic settings for the mirror source.

    Under Basic Properties, provide a name for this mirror source and an optional description. You can also assign a label to this mirror source.

  5. Specify whether you are selecting the mirror source by interface or sub-interface.
    • If the source group type is an interface, set the Source Group Type parameter to Interface.
    • If the source group type is a sub-interface, set the Source Group Type parameter to Sub - Interface.
  6. Optional: Select the nodes.
    You can select nodes by node name or by node label. If you prefer not to specify a node, you can choose interfaces or sub-interfaces by label only.
    • Select a node by name.

      Set the Node Selection Method parameter to Node. Click + ADD above the Nodes box, select the node, then click ADD. Then, go to Step 7.

    • Select nodes by node label.

      Set the Node Selection Method parameter to Node Label. Then, click on top of the Node Labels box to open the Label Picker form and select a node label. Then, go to Step 8

    • Do not select a node.

      Set the Node Selection Method parameter to Not Applicable to select interfaces or sub-interfaces by labels only. Then, go to Step 8.

  7. Select individual interfaces or sub-interfaces.
    • If the Source Group Type parameter is set to Interface, click on top of the Interfaces box, then select the interfaces that you want to use as source. Then, go to Step 9.

    • If the Source Group Type parameter is set to Sub-Interfaces, click on top of the Sub-Interfaces, then select sub-interfaces that you want to use as source. Then, go to Step 9.

  8. Select an interface label or sub-interface label.
    • If the source group type is an interface, click on top of the Interface Labels box to open the Label Picker form, then select a label.

    • If the source group type is a sub-interface, click on top of the Sub-Interface Labels box to open the Label Picker form and select a label.

  9. Specify the direction of traffic to monitor.
    Set the Traffic Direction parameter to Ingress Only, Egress Only, Ingress-Egress
  10. Click CREATE.
If you have not configured a mirror destination, create the mirror destination. Then, create the mirror instance.