Lldp-Med - TP-Link TL-SG2424 User Manual

Gigabit smart switch
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Neighbor Statistics
Port Select:
Port:
Transmit Total:
Receive Total:
Discards:
Errors:
Ageouts:
TLV Discards:
TLV Unknowns:

13.4 LLDP-MED

LLDP-MED is an extension of LLDP intended for managing endpoint devices such as Voice over
IP phones and network switches. The LLDP-MED TLVs advertise information such as network
policy, power via MDI, inventory management, and device location details.
 Elements
LLDP-MED Device: Refers to any device which implements this Standard.
LLDP-MED Device Type: LLDP-MED devices are comprised of two primary device types:
Network Connectivity Devices and Endpoint Devices.
Network Connectivity Device: Refers to an LLDP-MED Device that provides access to the IEEE
802 based LAN infrastructure for LLDP-MED Endpoint Devices. Bridge is a Network Connectivity
Device.
Endpoint Device: Refers to an LLDP-MED Device at the network edge, providing some aspects
of IP communications service, based on IEEE 802 LAN technology. Endpoint Devices may be a
member of any of the Endpoint Device Classes. Endpoint Devices are composed of three defined
Classes: Class I, Class II and Class III.
Generic Endpoint Device (Class I): The most basic class of Endpoint Device.
Media Endpoint Device (Class II): The class of Endpoint Device that supports media stream
capabilities.
Communication Device Endpoint (Class III): The class of Endpoint Device that directly supports
end users of the IP communication system.
TLV
Network Policy TLV
Click the Select button to quick-select the corresponding port
based on the port number you entered.
Displays local device's port number.
Displays the number of LLDPDUs sent by this port.
Displays the number of LLDPDUs received by this port.
Displays the number of LLDPDUs discarded by this port.
Displays the number of error LLDPDUs received by this port.
Displays the number of overtime neighbors linking to this port.
Displays the number of TLVs dropped by this port.
Displays the number of unknown TLVs received by this port.
Description
The Network Policy TLV allows both Network Connectivity
Devices and Endpoints to advertise VLAN configuration and
associated Layer 2 and Layer 3 attributes that apply for a set
of specific applications on that port.
177

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