CDP Neighbors Information

The CDP Neighbors Information page displays CDP information received from neighboring devices.

Information is deleted, after timeout (based on the value received from Time To Live TLV during which no CDP PDU was received).

To view the CDP neighbors information, proceed as follows:

Procedure

Step 1

Click Administration > Discovery - CDP > CDP Neighbor Information.

Step 2

To start a new instance, click Clear Table to clear out the previous data in the CDP Neighbor Information Table.

Step 3

To select a filter, check the Filter checkbox, select a Local interface, and click Go.

The filter is applied on the list, and Clear Filter is activated to enable stopping the filter.

The CDP Neighbor Information page contains the following fields for the link partner (neighbor):


Device ID	Neighbors device ID.
System Name	Neighbors system name.
Local Interface	Number of the local port to which the neighbor is connected.
Advertisement Version	CDP protocol version.
Time to Live (sec)	Time interval (in seconds) after which the information for this neighbor is deleted.
Capabilities	Capabilities advertised by neighbor.
Platform	Information from Platform TLV of neighbor.
Neighbor Interface	Outgoing interface of the neighbor.

Step 4

Select a device, and click Details.

This page contains the following fields about the neighbor (actual field display depends on what the neighbor is advertising):


Device ID	Neighbors device ID.
System Name	Neighbors system name.
Local Interface	Number of the local port to which the neighbor is connected.
Advertisement Version	CDP protocol version.
Time to Live	Time interval (in seconds) after which the information for this neighbor is deleted.
Capabilities	Capabilities advertised by neighbor.
Platform	Information from Platform TLV of neighbor.
Neighbor Interface	Outgoing interface of the neighbor.
Native VLAN	Neighbors native VLAN.
Duplex	Whether neighbors interface is half or full-duplex.
Addresses	Neighbors addresses.
Power Drawn	Amount of power consumed by neighbor on the interface.
Version	Neighbors software version.
Power Request	Power requested by PD that is connected to the port. Power Request List—Each PD may send a list (up to 3) of supported power levels.
4-Wire Power via MDI	4-Pair PoE Supported—Indicates system and port support enabling the 4-pair wire. Spare Pair Detection/Classification Required—Indicates that the 4-pair wire is needed. PD Spare Pair Desired State—Indicates a pod device requesting to enable the 4-pair ability. PD Spare Pair Operational State—Indicates whether the 4-pair ability is enabled or disabled.

Note	Disconnects on the Clear Table button all connected devices if from CDP, and if Auto Smartport is enabled change all port types to default.