Cisco Mediatrace in NetFlow Analyzer

With Cisco Medianet, you can measure
the performance of voice traffic on a router which are configured for
Medianet NetFlow export. The performance of real time traffic could
deteriorate during its travel across different devices on the path.

NetFlow Analyzer with its Cisco
Mediatrace monitoring allows you as a network admin, to analyze the
performance of real time traffic session on each hop & this post
is about Cisco Mediatrace configuration in NetFlow Analyzer.


1. The Device should run Cisco IOS which supports Cisco
Performance Monitor

IOS version :- 12.4(13r)T or above

Software Version :- 15.1(3)T or above.

  1. IPv4 Traffic

  • The networking device must be configured for IPv4 routing.

Mediatrace feature in NetFlow Analyzer uses Web Service Management
Agent(WSMA) to import data from the router. To enable WSMA in your on
the initiator router, please do the follow thse steps :

Enabling http :-

Router#config terminal
Router(config)#ip http server 
Router(config)#ip http authentication local 

Enabling Service Listener

The service listener is a type of WSMA profile that listens for
incoming connections and accepts devices from allowed addresses or
accepted user IDs.

Router#config terminal
Router(config)#wsma profile listener mylistener
Router(config-wsma-listen)#encap soap11
Router(config-wsma-listen)#transport http path /wsma
Router(config-wsma-listen)#transport http 

Enable WSMA agents that provide access to exec

Router#config terminal
Router (config)#wsma agent exec profile mylistener

Cisco Mediatrace Configuration:-

Once the above mentioned commands are enabled on the initiator
router, the next steps is to configure NetFlow Analyzer for
Performance monitoring.

Cisco Mediatrace provide 2 types of monitoring profiles,

  • Video monitoring profile (Video Session monitoring(RTP), TCP)

  • System data monitoring profile (Network Interface Errors,
    Discards, CPU, Memory Utilization)

These screenshots depict how Mediatrace monitoring is carried

Mediatrace Settings:-

Mediatrace Initiator:-

The Mediatrace initiator is a device
though which data or voice traffic passes, that you will use
to configure, initiate, and control the Mediatrace sessions. You can
configure an Initiator using the NetFlow Analyzer web interface.

Click on Medianet Tab, select the
option Configure present at the right hand side corner, Click
Settings->Add Session >Click Add Initiator, on
the pop-up window, Select the IP address of the router, you would
like to configure as the Initiator, from the drop down list and
specify the user name and password for the router the click update
and save it.

Mediatrace Monitoring profile:-

Profile configuration in NetFlow Analyzer lets you to configure a
Mediatrace monitoring profile for both system-data and
video-monitoring using the web interface. Click on Medianet Tab,
select the option
present at the right hand side corner, Click
the Profile Name and select the type of Profile:

  1. System-Data

  2. Performance
    Monitoring (for Video).

you select the System-Data monitor, the metrics being monitored are
for the number of interfaces, the CPU or the memory. If the
performance monitoring is for video, you need to specify the sampling
interval, the interval, in seconds, between samples taken of
video-monitoring metrics. Also, you need to specify which type of
session you want to monitor TCP or RTP.

Mediatrace Parameters:-

this you are going to define characteristics of Cisco MediaTrace.

on Medianet Tab, select the option
present at the right hand side corner, Click
you need to select the IP address of router which you have specified
as initiator and then define parameter name, Various other details
like response time, the amount of time, Frequency, Inactivity Timeout
and add the parameter.

Flow Specifier:-

flow-specifier profile defines the source IP address, destination IP
address, source port, destination port, and protocol that identifies
a flow. A Mediatrace session configuration requires a flow specifier
to identify the flows. The session configuration in NetFlow Analyzer
allows you to configure a flow profile using the web interface.

You can also specify the path through which this flow travels.

Medianet Session:

Mediatrace session allows you to link the profiles created, to a
session. You can associate only one profile(of a certain type)with a
Cisco Mediatrace session. The session configuration in NetFlow
Analyzer allows you to link the profiles and sessions using the web

step is to start the Mediatrace session for monitoring, The start
session configuration allows you to schedule a Mediatrace session to
begin when you want to start collecting the data. The session
performs based on the profile it is associated with. If the Cisco
Mediatrace session is designed to collect performance monitoring
metrics, it goes out to enable the Performance Monitor when the
session begins. NetFlow Analyzer allows you to start a session using
the using the web interface.

this blog is informative & assists you in configuring the Mediatrace monitoring on your network, we will explain the various
reports that you can generate in our next blog.

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Thanks and Regards

Praveen Kumar

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The original article/video can be found at Cisco Mediatrace in NetFlow Analyzer

About the Author: Shannon Lewis

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