EXFO MAX-800 Series, User Manual

Page: 154 / 495

Test Setup - Test Configurator, Timer, and System
146
MAX-800 Series
RFC 2544 - Subtests
Frame Loss Configuration
The objective of this test is to find the percentage of frames that are lost
due to lack of resources. Starting at the specified maximum rate (
Max.
Rate ), the test is performed for a specific frame size and for the specified
duration
(Trial Duration)
. The test is repeated by decreasing the rate by
the specified granularity ( Granularity ), then the test is repeated again until
there are two successive trials in which no frames are lost. The test is
performed for the defined number of trials (
Trials ). The test is performed
for each defined frame size.

Max. Rate is the maximum rate the test should begin with, in terms of
a percentage of the line rate (
%
),
Mbit/s
, or
Gbit/s
. The accepted
values are as shown in the Max. Rate table on page 143. For Dual Test
Set
,
Max. Rate
is configurable for both local (
L
) and remote (
R
)
directions. For Dual Port topology, Max. Rate is configurable for both
port directions.

Trial Duration represents the time value for each trial in
minutes:seconds:
1
second to
30
minutes (default is
00:01
).

Trials represents the number of times the test will be generated:
1
(default) to
50
trials.

Granularity corresponds to the percentage interval between each
throughput value used for the test: 1 % to 10 % (RFC) - (default). For
example, 10 % granularity means that the test will be performed for
100 %, 90 %, 80 %... of the rate value.