Displaying 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.
To view the CDP neighbors information:
- Click Administration > Discovery - CDP > CDP Neighbors Information. The CDP Neighbors Information page opens.
This page displays the following fields for the link partner (neighbor):
- Device ID--Neighbor’s device ID.
- 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.
- Select a device, and click Details. The CDP Neighbors Details page opens.
This page displays the following fields about the neighbor:
- Device ID--Identifier of the neighboring device ID.
- Local Interface--Interface number of port through which frame arrived.
- Advertisement Version--Version of CDP.
- Time to Live--Time interval (in seconds) after which the information for this neighbor is deleted..
- Capabilities--Primary functions of the device. The capabilities are indicated by two octets. Bits 0 through 7 indicate Other, Repeater, Bridge, WLAN AP, Router, Telephone, DOCSIS cable device, and station respectively. Bits 8 through 15 are reserved.
- Platform--Identifier of the neighbor’s platform.
- Neighbor Interface--Interface number of the neighbor through which frame arrived.
- Native VLAN--Neighbor’s native VLAN.
- Duplex--Whether neighbors interface is half or full duplex.
- Addresses--Neighbor’s addresses.
- Power Drawn--Amount of power consumed by neighbor on the interface.
- Version--.Neighbor’s software version.