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User Guide for the Cisco Network Analysis Module (NAM) Traffic Analyzer, 5.0
OL-22617-01
Chapter 3 Monitoring and Analysis
Media
You can see more detailed information about each RTP stream by selecting the RTP stream and clicking
on the RTP Strea m Detai ls button. A pop up window will show more detailed information of the stream
displayed.
RTP Conversation
To get detailed information about RTP conversations, choose Analyze > Media > Detailed Views > RTP
Conversations. This table shows you the overview of RTP streams analyzed by NAM during the selected
interval. You can drill-down to each stream to get stream statistics, which are analyzed by the NAM at
each interval. To get more detailed information, you can:
• Click on the RTP stream for which you want to see more information.
• Click on the “RTP Stream Details” context menu. A pop up window will show you the detailed
information of the stream.
The columns of the RTP Conversation tables are described in Table 3-23, RTP Conversations Table.
Tab l e 3-22 RTP Streams for the Selected Call table
Field Purpose
Source Address IP Address of the originator of the RTP stream
Source Port UDP port of the originator of the RTP stream
Destination Address IP address of the receiver of the RTP stream
Destination Port UDP port of the receiver of the RTP stream
Codec Encoding decoding format/algorithm of the RTP
stream
SSRC Synchronization source number as it appear in the
RTP header
Duration Weighted MOS NAM calculated score that takes into account of the
duration of the stream
Duration Weighted Jitter Jitter that takes into account of the duration of the
RTP stream among all per-interval reports
Overall Adjusted Packet Loss Percentile of adjust packets lost against total packets
of all per-interval RTP reports.
Tab l e 3-23 RTP Conversations Table
Field Purpose
Start Time Time when the RTP stream was discovered by the NAM
Source Address IP Address of the originator of the RTP stream
Source Port UDP port of the originator of the RTP stream
Destination Address IP address of the receiver of the RTP stream
Destination Port UDP port of the receiver of the RTP stream
Codec Encoding decoding format/algorithm of the RTP stream