> # Viewing Performance Summary Information

> ## BEFORE YOU BEGIN

> To view performance information, you must activate performance collector.

> From the menu bar, choose Dashboard > Summary, and then click Daily Performance view.

> You see the Summary information.

> The Top SAN Ports, Top SAN Storage Ports, Top ISL’s/Trunks and Top Access Ports are Performance pods that are displayed depending on the pods selected.

> If you select the Scope as default_SAN, a new area Daily Performance is displayed. For more information see the New Area - Daily Performance section.

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