Configuring Discovery
Configuring CDP
Cisco Small Business 200 Series Smart Switch Administration Guide 97
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• Full/Half Duplex TLV
- Duplex—Whether port is half or full duplex advertised in the full/half
duplex TLV.
• Appliance 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 TLV
- 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 TLV
- 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.
• Power TLV
- 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 or Management Power Level fields change value
A Power Requested TLV is received with a Request-ID field which is
different from the last-received set (or when the first value is received)
The interface transitions to Down
- 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.
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