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Why is information about switch, VLAN, and ports for Cisco Catalyst 3550 Series switches missing from IP Phone Reports and IP Phone Audit Reports?

April 26, 2017catalyst Cisco MISSING ports SERIES Switch switches VLAN

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Why is information about switch, VLAN, and ports for Cisco Catalyst 3550 Series switches missing from IP Phone Reports and IP Phone Audit Reports?

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The configuration guide for Cisco Catalyst 3550 Series switches specifies that ports to which IP phones are connected should be in access mode. Operations Manager supports IP phones connected to ports in access mode. Check whether the ports to which the IP phones are connected are in trunk mode.