Administration: Discovery
Discovery - CDP
156 Cisco 350, 350X and 550X Series Managed Switches, Firmware Release 2.4, ver 0.4
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- 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 Available 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 change
A Power Requested TLV is received with a Request-ID field that 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 pod device for its
Power Consumption TLV. The device always displays “No Preference” in this field.
• 4-Wire Power via MDI (UPOE) TLV
Displays whether this TLV is supported.
- 4-Pair PoE Supported—Displays whether PoE is supported.
- Spare Pair Detection/Classification Required—Displays whether this classification
is required.
- PD Spare Pair Desired State—Displays the PD spare pair desired state.
- PD Spare Pair Operational State—Displays the PSE spare pair state.
CDP Neighbors Information
The CDP Neighbors Information page displays CDP information received from neighboring
devices.
After timeout (based on the value received from the neighbor Time To Live TLV during which
no CDP PDU was received from a neighbor), the information is deleted.
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