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LGB5128A User Manual
167
3-22.5 Statistics
This chapter explains how to provide detailed OAM traffic statistics for a specific switch port.
Use the port select box to select which switch port details to display. The displayed counters
represent the total number of OAM frames received and transmitted for the selected port.
Discontinuities of these counters can occur when you re-intialize the management system.
Web Interface
To display the Statistics in the Web interface:
1. Click Configuration, 802.3ah OAM then Statistics.
2. Scroll to select which port you want to monitor the Statistics.
3. Check the box next to auto-refresh to update the detailed Link Events data.
4. Click the Refresh icon to update the Link OAM Port statistics.
Figure 3-22.5: The detailed Link OAM Port Statistics
Parameter description:
Port :
Scroll to select which port you want to monitor detailed Link OAM events. It shows the
switch port number.
Rx and Tx OAM Information PDUs :
The number of received and transmitted OAM Information PDUs. Discontinuities of this
counter can occur when you re-initialize the management system.
Rx and 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, in case 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 and 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 and Tx Loopback Control :
A count of the number of Loopback Control OAMPDUs received and transmitted on this
interface.
Rx and Tx Variable Request :
A count of the number of Variable Request OAMPDUs received and transmitted on this
interface.