Nortel 4500 Series Overview-System Configuration page 279

Copyright © 2007, Nortel Networks
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Field
FramesTotal
TLVsDiscardedTotal
TLVsUnrecognizedTotal
AgeoutsTotal
Nortel Ethernet Routing Switch 4500 Series
Overview — System Configuration
NN47205-500 02.01 Standard
5.0 23 February 2007
Configuring LLDP using Device Manager 279
Description
The number of valid LLDP frames
received on the port, while the LLDP
agent is enabled.
The number of LLDP TLVs discarded for
any reason.
The number of LLDP TLVs received on
a given port that are not recognized by
this LLDP agent on the indicated port.
An unrecognized TLV is referred to as
the TLV whose type value is in the range
of reserved TLV types (000 1001 - 111
1110) in Table 9.1 of IEEE 802.1AB-2004.
An unrecognized TLV can be a basic
management TLV from a later LLDP
version.
This counter represents the number of
age-outs that occurred on a given port.
An age-out is "the number of times the
complete set of information advertised by
a particular MSAP is deleted from tables
contained in lldpRemoteSystemsData
and lldpExtensions objects because
the information timeliness interval has
expired." This counter is similar to
lldpStatsRemTablesAgeouts, except that
it is on a per-port basis. This enables
NMS to poll tables associated with the
lldpRemoteSystemsData objects and all
LLDP extension objects associated with
remote systems on the indicated port
only. This counter is set to zero during
agent initialization. When the admin
status for a port changes from disabled
to rxOnly, txOnly or txAndRx, the counter
associated with the same port is reset
to 0. The agent also flushes all remote
system information associated with the
same port. This counter is incremented
only once when the complete set of
information is invalidated (aged out) from
all related tables on a particular port.
Partial aging is not allowed, and thus,
does not change the value of this counter.
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