Administration: Discovery
Configuring CDP
173 Cisco 500 Series Stackable Managed Switch Administration Guide
9
• Version TLV
- Version—Information about the software release on which the device is
running.
• Platform TLV
- Platform—Identifier of platform advertised in the platform TLV.
• Native VLAN TLV
- Native VLAN—The native VLAN identifier advertised in the native VLAN
TLV.
• 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.