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ExpertNet Lite Assessment Tool - User Guide
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Step 6: RTP General Configuration
On this page you have the option to change the default settings for RTP tests run on
the network. All RTP tests that are added automatically will use these settings. You
can manually add further RTP tests with different settings when the Wizard settings
are configured.
Codec Defines the Codec of the RTP test calls. This will alter the rate and size of
packets being sent between Traffic Simulators in order to emulate the G.711
and G.729 codecs.
Diff Serv Code Point Defines the Differentiated Services Code Point (DSCP) of the IP Packets of RTP
test calls. Routers will treat packets differently depending on the DSCP value
set in outgoing packets. By default this value is 46 (Expedited Forwarding).
Voice Payload Size
(ms)
Defines the Voice Payload size of the RTP packets of a test call (in
milliseconds). Must be a multiple of 10.
Number of
Simultaneous Calls
Defines the number of RTP test calls to execute simultaneously for a single
test. The default value for this setting is 2. Measurements for each call can
only be taken in one direction. When two or more calls are configured, half of
them originate at the Controller and half at the test agent so data is collected
in both directions providing a more complete assessment of the network than
if a single call were run.
Test Duration Defines the duration of each RTP test call (in seconds).
Automatically Create
RTP Tests
Check this box to allow the Controller to automatically create new RTP test
Calls from the Controller to the RTP Traffic Simulator as the simulators
register.
SNMP Polling Check this box to allow the Controller to enable SNMP polling for RTP test
calls.
Discover Paths Check this box to allow the Controller to use traceroute to discover the paths
between the Controller and the Traffic Simulators during RTP test calls.
Protocol Select a traceroute protocol to be used to discover routers on the test path.
The default setting is UDP.