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Configuring LLDP

Page 181

Chapter 13.Configuring LLDP

Link Layer Discovery Protocol (LLDP) is a Layer 2 protocol that allows a network device supporting the 802.1ab

standard to advertise its identity and capabilities on a local network. LLDP allows network managers to

troubleshoot and enhance network management by discovering and maintaining network topologies over

multi-vendor environments. LLDP discovers network neighbors by standardizing methods for network devices to

advertise themselves to other systems, and to store discovered information. Device discovery information

includes:

• Device Identification

• Device Capabilities

• Device Configuration

The advertising device transmits multiple advertisement message sets in a single LAN packet. The multiple

advertisement sets are sent in the packet Type Length Value (TLV) field. LLDP devices must support chassis and

port ID advertisement, as well as system name, system ID, system description, and system capability

advertisements.

This section includes the following topics:

• Defining Global LLDP Properties

• Defining LLDP Port Settings

• Defining LLDP Media Endpoint Discovery Network Policy

• Defining LLDP MED Port Settings

• Viewing the LLDP Neighbors Information

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Allied Telesis AT-S94 Betriebsanweisung Seite 181