Displaying CDP Local Information
The CDP Local Information page displays information that is advertised by the CDP protocol about the local device.
To view the CDP local information:
- Click Administration > Discovery - CDP > CDP Local Information. The CDP Local Information page opens.
- Select a local port, and the following fields are displayed:
- Interface--Number of the local port.
- CDP State--Displays whether CDP is enabled or not.
- Device ID Type--Type of the device ID advertised in the device ID TLV.
- Device ID--Device ID advertised in the device ID TLV.
- Address(s)--IP addresses (advertised in the device address TLV).
- Port ID--Identifier of port advertised in the port TLV.
- Capabilities--Capabilities advertised in the port TLV)
- Version--Information about the software release on which the device is running.
- Platform--Identifier of platform advertised in the platform TLV.
- Native VLAN--The native VLAN identifier advertised in the native VLAN TLV.
- Duplex--Whether port is half or full duplex advertised in the full/half duplex TLV.
- Appliance ID--Type of device attached to port advertised in the appliance TLV.
- Appliance VLAN ID--VLAN on the device used by the appliance, for instance if the appliance is an IP phone, this is the voice VLAN.
- Extended Trust--Enabled indicates that the port is trusted, meaning that the host/server from which the packet is received is trusted to mark the packets itself. In this case, packets received on such a port are not re-marked. Disabled indicates that the port is not trusted in which case, the following field is relevant.
- CoS for Untrusted Ports--If Extended Trust is disabled on the port, this fields displays the Layer 2 CoS value, meaning, an 802.1D/802.1p priority value. This is the COS value with which all packets received on an untrusted port are remarked by the device.
- Request ID--Last power request ID received echoes the Request-ID field last received in a Power Requested TLV. It is 0 if no Power Requested TLV was received since the interface last transitioned to Up.
- Power Management ID--Value incremented by 1 (or 2, to avoid 0) each time any one of the following events occur:
- Available Power--Amount of power consumed by port.
- Management Power Level--Displays the supplier's request to the powered device for its Power Consumption TLV. The device always displays “No Preference” in this field.