Chapter 4. Web Configuration & Operation
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CHAPTER 4
WEB OPERATION & CONFIGURATION
4.4.3 Link OAM
4.4.3.1 Statistics
This page provides Link OAM statistics for the selected port. Use the pull-down menu to select the port that you want
to view detailed statistics.
Rx & Tx OAM Information PDU’s:
The number of received and transmitted OAM Information PDU's. Discontinuities of
this counter can occur at re-initialization of the management system.
Rx & Tx Unique Error Event Notification:
A count of the number of unique Event OAMPDUs received and transmitted
on this interface. Event Notifications may be sent in duplicate to increase the probability of successfully being received,
given the possibility that a frame may be lost in transit. Duplicate Event Notification transmissions are counted by
Duplicate Event Notification counters for Tx and Rx respectively. A unique Event Notification OAMPDU is indicated as
an Event Notification OAMPDU with a Sequence Number field that is distinct from the previously transmitted Event
Notification OAMPDU Sequence Number.
Rx & Tx Duplicate Error Event Notification:
A count of the number of duplicate Event OAMPDUs received and
transmitted on this interface. Event Notification OAMPDUs may be sent in duplicate to increase the probability of
successfully being received, given the possibility that a frame may be lost in transit. A duplicate Event Notification
OAMPDU is indicated as an Event Notification OAMPDU with a Sequence Number field that is identical to the
previously transmitted Event Notification OAMPDU Sequence Number.
Rx & Tx Loopback Control:
The number of Loopback Control OAMPDUs received and transmitted on this interface.
Rx & Tx Variable Request:
The number of Variable Request OAMPDUs received and transmitted on this interface.
Rx & Tx Variable Response:
The number of Variable Response OAMPDUs received and transmitted on this interface.
Rx & Tx Org Specific PDU
’
s:
The number of Organization Specific OAMPDUs transmitted on this interface.
Rx & Tx Unsupported Codes:
The number of OAMPDUs transmitted on this interface with an unsupported op-code.
Rx & Tx Link fault PDU
’
s:
The number of Link fault PDU's received and transmitted on this interface.
Rx & Tx Dying Gasp:
The number of Dying Gasp events received and transmitted on this interface.
Rx & Tx Critical Event PDU
’
s:
The number of Critical event PDU's received and transmitted on this interface.
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