Configuring Discovery
Configuring CDP
Cisco 500 Series Stackable Managed Switch Administration Guide
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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.
