Agilent Technologies J3972A User's Guide Page 99

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Reporter
Network Health Graphs: Statistics
98 5967–9446
In SVC Connections
Out SVC Connections
Numbers of times an SVC VCC was established—that
is, a call request was successful—for each direction.
In Utilization %
Out Utilization %
In Cells or Out Cells times 53 divided by the media
speed, expressed as a percentage.
Incorrect Messages
Detected
Incorrect Messages
Transmitted
Number of SSCOP messages with incorrect
information—that is, a valid PDU but invalid field
values—for each direction.
Resource
Unavailability
Detected
Resource
Unavailability
Transmitted
Number of call requests rejected because resources
were unavailable, for each direction. This condition
occurs when the VPCI/VPI is already in use, a call
parameter could not be supported, or an error
condition exists that prevents call setup.
Restart Activity Errors
Detected
Restart Activity Errors
Transmitted
Number of host, switch, or network RESTART
messages for each direction on the line.
Route Unavailability
Detected
Route Unavailability
Transmitted
Number of call setup attempts rejected due to lack of
route—that is, no available path—for each direction on
the line.
SSCOP Connection
Events
Number of failures to establish or maintain a SSCOP
connection
SSCOP Errored PDUs Number of invalid SCCOP PDUs.
Timer Expiries
Detected
Timer Expiries
Transmitted
Number of network timer expiries and, to some extent,
host or switch timer expiries, for each direction on the
line.
Total Cells Calculated from In Cells and Out Cells.
Table 8 Network Health Statistics: ATM Signaling, cont’d
Statistic Description
Except for Total
Utilization %,
In Utilization %, and
Out Utilization %,
these statistics are
shown in Network
Health graphs as
average units/
second
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