Black Box LPB2910A User Manual page 310

Shows t he n umber o f L LDP f rames d ropped d ue t o t he e ntry t able b eing f ull.
Total N eighbors E ntries A ged O ut:

Shows t he n umber o f e ntries d eleted d ue t o T ime-­‐To-­‐Live e xpiring.
Local C ounters
The d isplayed t able c ontains a r ow f or e ach p ort. T he c olumns h old t he f ollowing i nformation:
Local P ort:

The p ort o n w hich L LDP f rames a re r eceived o r t ransmitted.
Tx F rames:

The n umber o f L LDP f rames t ransmitted o n t he p ort.
Rx F rames:

The n umber o f L LDP f rames r eceived o n t he p ort.
Rx E rrors:

The n umber o f r eceived L LDP f rames c ontaining s ome k ind o f e rror.
Frames D iscarded:

If an LLDP frame is received on a port, and the switch's internal table is full, the LLDP frame is
counted and discarded. This situation is known as "Too Many Neighbors" in the LLDP standard.
LLDP f rames r equire a n ew e ntry i n t he t able w hen t he C hassis I D o r R emote P ort I D i s n ot a lready
contained w ithin t he t able. E ntries a re r emoved f rom t he t able w hen a g iven p ort's l ink i s d own, a n
LLDP s hutdown f rame i s r eceived, o r w hen t he e ntry a ges o ut.
TLVs D iscarded:

Each L LDP f rame c an c ontain m ultiple p ieces o f i nformation, k nown a s T LVs ( TLV i s s hort f or " Type
Length V alue"). I f a T LV i s m alformed, i t i s c ounted a nd d iscarded.
TLVs U nrecognized:

The n umber o f w ell-­‐formed T LVs, b ut w ith a n u nknown t ype v alue.
Org. D iscarded:

The n umber o f r eceived T LVs t hat w ere d iscarded.
Age-­‐Outs:

Each LLDP frame contains information about how long time the LLDP information is valid (age-­‐out
time). If no new LLDP frame is received w ithin the age out time, the LLDP information is removed,
and t he A ge-­‐Out c ounter i s i ncremented.
Buttons

Auto-­‐refresh: Check this box to refresh the page automatically. Automatic refresh occurs every 3
seconds.
Clear: C lears t he c ounters f or t he s elected p ort.
Refresh: C lick t o r efresh t he p age.
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Publication date: Sept, 2015
Revision A1