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Table 3-55 Port-Level LLDP Parameters Page item description
Item Description
LLDP
Enable/disable LLDP on a port. Two options are
available:
z Enabled: Enables LLDP on the port.
z Disabled: Disables LLDP on the port.
By default, LLDP is enabled on a port.
Administrator Status
Set the LLDP operating mode.
z Send Only: Sets the port LLDP to operate in Tx mode
to send LLDPDUs only.
z Receive Only: Sets the port LLDP to operate in Rx
mode to receive LLDPDUs only.
z Send&Receive: Sets the port LLDP to operate in TxRx
mode to both send and receive LLDPDUs.
z Disable: Sets the port LLDP to operate in disable
mode to neither send nor receive LLDPDUs.
By default, the port LLDP operating mode is
Send&Receive, namely TxRx.
Notification Remote
Change
Enable/disable remote port up/down event reporting.
By default, remote port up/down event reporting is
enabled.
Frame Format
LLDPDUs can be encapsulated in Ethernet II or SNAP
frames.
z Direct: an LLDP port sends LLDPDUs in Ethernet II
frames and processes only Ethernet II encapsulated
incoming LLDPDUs.
z Snap: an LLDP port sends LLDPDUs in SNAP frames
and processes only SNAP encapsulated incoming
LLDPDUs.
By default, LLDPDUs are encapsulated in Ethernet II
frames. If the neighbor devices encapsulate LLDPDUs in
SNAP frames, you can configure the encapsulation
format for LLDPDUs as SNAP, thus guaranteeing
communication with the other devices in the network.
Port Basic
Settings
Polling Interval
After checking the Polling Interval option, you can set the
polling interval value.
Device checks for the local configuration changes
periodically within the polling interval. Upon detecting a
configuration change, the device sends LLDPDUs to
inform the neighboring devices of the change
Polling is disabled by default.
Port management
address
Check the Port management address option to
encapsulate the management IP address of the device in
the LLDPDUs to be sent.
TLV Settings
Basic Information
The basic LLDP TLVs include the following:
z Port Description: Description string of the Ethernet
port.
z System Name: Device name.
z System Description: Description of the system.
z System Capabilities: Primary function(s) of the
system.
If you check the option of All Basic Information, all the
above basic TLVs will be sent within LLDPDUs.
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