ZyXEL Communications GS1920v2 Series User Manual page 298

The following table describes the labels in the MED TLV part of the screen.
Table 137 Advanced Application > LLDP > LLDP Remote Status > LLDP Remote Port Status Detail (MED
TLV)
L ABEL DESC RIPT IO 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
• L o c a tio n
• Exte nd Po we r via MDI PSE
• Exte nd Po we r via MDI PD
• Inve nto ry Ma na g e m e nt
Device Type LLDP-MED endpoint device classes:
TLV
• Endpoint Class I
• Endpoint Class II
• Endpoint Class III
• Network Connectivity
Network Policy This displays a network policy for the specified application.
TLV
• Vo ic e
• Vo ic e - Sig na ling
• G ue st- Vo ic e
• G ue st- Vo ic e - Sig na ling
• So ftpho ne - Vo ic e
• Vide o - C o nfe re nc ing
• Stre a m ing - Vide o
• Vide o - Sig na ling
Location This shows the location information of a caller by its:
Identification
TLV
•
C o o rdina te - b a se L C I
Information (LCI)
•
C ivic L C I
•
EL IN
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
• Firm wa re Re visio n
• Mo de l Na m e
• Ma nufa c ture r
• Se ria l Num b e r
• Asse t ID
Extended Extended Power Via MDI Discovery enables detailed power information to be advertised by
Power via MDI
Media Endpoints, such as IP phones and Network Connectivity Devices such as the Switch.
TLV
•
Po we r T ype
(backup power may indicate to the Endpoint Device that it should move to a power
conservation mode).
•
Po we r So urc e
source.
•
Po we r Prio rity
Device may use to prioritize which devices will remain in service during power shortages)
•
Po we r Va lue
- latitude and longitude coordinates of the Location Configuration
- IETF Geopriv Civic Address based Location Configuration Information
- (Emergency Location Identifier Number)
- whether it is currently operating from primary power or is on backup power
- whether or not the Endpoint is currently operating from an external power
- the Endpoint Device's power priority (which the Network Connectivity
- power requirement, in fractions of Watts, in current configuration
GS1920v2 Series User's Guide
298