User`s manual

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C HAPTER 5 | Monitoring the Switch
Displaying LLDP Information
DISPLAYING LLDP
PORT S TATISTICS
Use the LLDP Port Statistics page to display statistics on LLDP global
counters and control frames.
P ATH
Monitor, LLDP, Port Statistics
P ARAM ETE R S
These parameters are displayed:
Global Counters
◆ Neighbor entries were last changed at – The time the LLDP
neighbor entry list was last updated. It also shows the time elapsed
since last change was detected.
◆ Total Neighbors Entries Added – Shows the number of new entries
added since the switch was rebooted, and for which the remote TTL has
not yet expired.
◆ Total Neighbors Entries Deleted – The number of LLDP neighbors
which have been removed from the LLDP remote systems MIB for any
reason.
◆ Total Neighbors Entries Dropped – The number of times which the
remote database on this switch dropped an LLDPDU because the entry
table was full.
◆ Total Neighbors Entries Aged Out – The number of times that a
neighbor’s information has been deleted from the LLDP remote systems
MIB because the remote TTL timer has expired.
LLDP Statistics
◆ Local Port – Port Identifier.
◆ Tx Frames – Number of LLDP PDUs transmitted.
◆ Rx Frames – Number of LLDP PDUs received.
◆ Rx Errors – The number of received LLDP frames containing some kind
of error.
◆ Frames Discarded – Number of frames discarded because they did
not
conform to the general validation rules as well as any specific usage
rules defined for the particular Type Length Value (TLV).
◆ TLVs Discarded – Each LLDP frame can contain multiple pieces of
information, known as TLVs. If a TLV is malformed, it is counted and
discarded.
◆ TLVs Unrecognized – The number of well-formed TLVs, but with an
unknown type value.
◆ Org. Discarded – The number of organizational TLVs discarded.