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12-46
Configuring for Network Management Applications
LLDP (Link-Layer Discovery Protocol)
Figure 12-15. Example of a Global Listing of Discovered Devices
Figure 12-16. Example of a Per-Port Listing of Advertisements Received from an LLDP Device
Note With both LLDP and (read-only) CDP enabled on a switch port, the port can
read both LLDP and CDP advertisements, and stores both types of data in its
neighbor database. (When reading CDP advertisements, the switch only stores
data that has a corresponding field in the LLDP neighbor database.)
The data shown for port 3 was translated from a
CDP advertisement from a 5300xl switch with
LLDP disabled. (Not all fields expected by the
LLDP device are populated with the CDP data.)
Example of an LLDP advertisement received
from a 3400cl-48G neighbor on port 1.