Diagnostics
[ Diagnostics > LLDP > Topology Discovery ]
298
RM GUI GRS
Release
8.0
09/2019
[
LLDP-MED
]
LLDP for Media Endpoint Devices (LLDP-MED) is an extension to LLDP that operates between
endpoint devices and network devices. It specifically provides support for VoIP applications. In this
support rule, it provides an additional set of common advertisement, Type Length Value (TLV),
messages. The device uses the TLVs for capabilities discovery such as network policy, Power over
Ethernet, inventory management and location information.
Table
Port
Displays the port number.
Device class
Displays the device class of the remotely connected device.
A value of
notDefined
indicates that the device has capabilities not covered by any of the
LLDP-
MED
classes.
A value of
endpointClass1..3
indicates that the device has "endpoint class 1..3" capabilities.
A value of
networkConnectivity
indicates that the device has network connectivity device
capabilities.
VLAN ID
Displays the extension of the VLAN Identifier for the remote system connected to this port, as
defined in IEEE 802.3.
The device uses a value from
1
through
4042
to specify a valid Port VLAN ID.
The device displays the value
0
for priority tagged packets. This means that only the 802.1D
priority is significant and the device uses the default VLAN ID of the ingress port.
Priority
Displays the value of the 802.1D priority which is associated with the remote system connected to
the port.
DSCP
Displays the value of the Differentiated Service Code Point (DSCP) which is associated with the
remote system connected to the port.
Unknown bit status
Displays the unknown bit status of incoming traffic.
A value of
true
indicates that the network policy for the specified application type is currently
unknown. In this case, the VLAN ID ignores the Layer 2 priority and value of the
DSCP
field.
A value of
false
indicates a specified network policy.
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