228
Item Descri
tion
CDP Operating Mode
Set the CDP compatibility of LLDP:
Disable—Neither sends nor receives CDPDUs.
TxRx—Sends and receives CDPDUs.
IMPORTANT:
To enable LLDP to be compatible with CDP on the port, you must
enable CDP compatibility on the Global Setup tab and set the
CDP operating mode on the port to TxRx.
LLDP Polling Interval
Enable LLDP polling and set the polling interval.
If no polling interval is set, LLDP polling is disabled.
With the polling mechanism, LLDP periodically detects local
configuration changes. If a configuration change is detected,
an LLDPDU is sent to inform the LLDP neighbors of the change.
LLDP Trapping
Set the enable status of the LLDP trapping function on the port or
ports.
LLDP trapping is used to report to the network management
station critical events such as new neighbor devices detected
and link failures.
IMPORTANT:
To avoid excessive traps from being sent when topology is
instable, you can tune the minimum trap transit interval on the
Global Setup tab.
Base TLV
Settings
Port Description
Select to include the port description TLV in transmitted
LLDPDUs.
System Capabilities
Select to include the system capabilities TLV in transmitted
LLDPDUs.
System Description
Select to include the system description TLV in transmitted
LLDPDUs.
System Name Select to include the system name TLV in transmitted LLDPDUs.
Management Address
Select to include the management address TLV in transmitted
LLDPDUs and in addition, set the management address and its
format (a numeric or character string in the TLV).
If no management address is specified, the main IP address of
the lowest VLAN carried on the port is used. If no main IP
address is assigned to the VLAN, 127.0.0.1 is used.
DOT1 TLV
Setting
Port VLAN ID Select to include the PVID TLV in transmitted LLDPDUs.
Protocol VLAN ID
Select to include port and protocol VLAN ID TLVs in transmitted
LLDPDUs and specify the VLAN IDs to be advertised.
If no VLAN is specified, the lowest protocol VLAN ID is
transmitted.
VLAN Name
Select to include VLAN name TLVs in transmitted LLDPDUs and
specify the VLAN IDs to be advertised.
If no VLAN is specified, the lowest VLAN carried on the port is
advertised.
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