ZyXEL GS1920 Series User Guide - Page 265
LLDP Configuration
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Chapter 32 Link Layer Discovery Protocol (LLDP) Table 125 Advanced Application > LLDP > LLDP Remote Status > LLDP Remote Port Status Detail (MED TLV) LABEL Inventory TLV DESCRIPTION The majority of IP Phones lack support of management protocols such as SNMP, so LLDP-MED inventory TLVs are used to provide their inventory information to the Network Connectivity Devices such as the Switch. The Inventory TLV may contain the following information. Extended Power via MDI TLV • Hardware Revision • Software Revision • Firmware Revision • Model Name • Manufacturer • Serial Number • Asset ID Extended Power Via MDI Discovery enables detailed power information to be advertised by Media Endpoints, such as IP phones and Network Connectivity Devices such as the Switch. • Power Type - whether it is currently operating from primary power or is on backup power (backup power may indicate to the Endpoint Device that it should move to a power conservation mode). • Power Source - whether or not the Endpoint is currently operating from an external power source. • Power Priority - the Endpoint Device's power priority (which the Network Connectivity Device may use to prioritize which devices will remain in service during power shortages) • Power Value - power requirement, in fractions of Watts, in current configuration 32.6 LLDP Configuration Use this screen to configure global LLDP settings on the Switch. Click Advanced Application > LLDP > LLDP Configuration (Click Here) to display the screen as shown next. GS1920 Series User's Guide 265