ZyXEL Communications GS2220 Series - Page 330

GS2220 Series User’s Guide
330
The following table describes the labels in the MED TLV part of the screen.
Table 165 Advanced Application > LLDP > LLDP Remote Status > LLDP Remote Port Status Detail (MED
TLV)
LABEL DESC RIPTIO N
MED TLV LLDP Media Endpoint Discovery (MED) is an extension of LLDP that provides additional
capabilities to support media endpoint devices. MED enables advertisement and discovery
of network policies, device location discovery to allow creation of location databases, and
information for troubleshooting.
Capabilities TLV This displays the MED capabilities the remote port supports.
• Ne two rk Po lic y
• Lo c a tio n
• Exte nd Po we r via MDI PSE
• Exte nd Po we r via MDI PD
• Inve ntory Ma na g e m e nt
Device Type
TLV
LLDP-MED endpoint device classes:
• Endpoint Class I
• Endpoint Class II
• Endpoint Class III
• Network Connectivity
Network Policy
TLV
This displays a network policy for the specified application.
•Voice
• Voic e - Sig na ling
•Guest-Voice
• G ue st- Voic e - Sig na ling
• So ftpho ne - Voic e
• Vide o - Co nfe re nc ing
•Streaming-Video
• Vide o - Sig na ling
Location
Identification
TLV
This shows the location information of a caller by its:
• C o o rdina te - b a se LC I – latitude and longitude coordinates of the Location Configuration
Information (LCI)
• C ivic LC I – IETF Geopriv Civic Address based Location Configuration Information
• ELIN – (Emergency Location Identifier Number)
Inventory TLV 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.
• Ha rdwa re Re visio n
• So ftwa re Re visio n
•Firmware Revision
• Mo de l Na m e
• Ma nufa c ture r
• Se ria l Num b e r
•Asset ID
Extended
Power via MDI
TLV
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.
• Po we r 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).
• Po we r Sourc e – whether or not the Endpoint is currently operating from an external
power source.
• Po we r Prio rity – the Endpoint Device’s power priority (which the Network Connectivity
Device may use to prioritize which devices will remain in service during power shortages).
• Po we r Va lue – power requirement, in fractions of Watts, in current configuration.