System information

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If some configuration is changed (e.g. the IP address) a new LLDP frame is transmitted, but the time
between theLLDP frames will always be at least the value of Tx Delayseconds. Tx Delay cannot be larger
than 1/4 of the Tx Interval value. Valid values are restricted to 1 - 8192 seconds.
Tx Reinit
When a port is disabled, LLDP is disabled or the switch is rebooted, an LLDP shutdown frame is
transmitted to the neighboring units, signalling that the LLDP information isn't valid anymore. Tx Reinit
controls the amount of seconds between the shutdown frame and a new LLDP initialization. Valid
values are restricted to 1 - 10 seconds.
LLDP Port Configuration
Port
The switch port number of the logical LLDP port.
Mode
Select LLDP mode.
Rx only The switch will not send out LLDP information, but LLDP information from neighbour units is
analyzed.
Tx only The switch will drop LLDP information received from neighbours, but will send out LLDP
information.
Disabled The switch will not send out LLDP information, and will drop LLDP information received from
neighbours.
Enabled The switch will send out LLDP information, and will analyze LLDP information received from
neighbours.
CDP Aware
Select CDP awareness.
The CDP operation is restricted to decoding incoming CDPframes (The switch doesn't transmit CDP
frames). CDPframes are only decoded if LLDP on the port is enabled.
Only CDP TLVs that can be mapped to a corresponding field in the LLDP neighbours' table are decoded.
All other TLVs are discarded (Unrecognized CDP TLVs and discarded CDP frames are not shown in the
LLDP statistics.). CDP TLVs are mapped onto LLDP neighbours' table as shown below.
CDP TLV "Device ID" is mapped to the LLDP "Chassis ID" field.
CDP TLV "Address" is mapped to the LLDP "Management Address" field. The CDP address TLV can
contain multiple addresses, but only the first address is shown in the LLDPneighbours table.
CDP TLV "Port ID" is mapped to the LLDP "Port ID" field.
CDP TLV "Version and Platform" is mapped to the LLDP"System Description" field.
Both the CDP and LLDP support "system capabilities", but the CDP capabilities cover capabilities that
are not part of the LLDP. These capabilities are shown as "others" in theLLDP neighbours' table.
If all ports have CDP awareness disabled the switch forwards CDP frames received from neighbour
devices. If at least one port has CDP awareness enabled all CDPframes are terminated by the switch.
Note: When CDP awareness on a port is disabled the CDPinformation isn't removed immediately, but
gets removed when the hold time is exceeded.
Port Descr
Optional TLV: When checked the "port description" is included in LLDP information transmitted.
Sys Name
Optional TLV: When checked the "system name" is included in LLDP information transmitted.
Sys Descr
Optional TLV: When checked the "system description" is included in LLDP information transmitted.