OmniSwitch AOS Release 8 Network Configuration Guide December 2017 page 14-1
14 Configuring SIP Snooping
Session Initiation Protocol (SIP) address the key challenge of real time delivery and monitoring
requirements for media streams from SIP devices.
SIP Snooping prioritizes voice and video traffic over non-voice traffic.
• Identifies and marks the SIP and its corresponding media streams. Each media stream contains Real
Time Protocol (RTP) and Real Time Control Protocol (RTCP) flows. Marking is done using the DSCP
field in the IP header.
• Provides user configured QOS treatment for SIP/RTP/RTCP traffic flows based on its marking.
• Also snoops voice quality metrics of media streams from their RTCP packets and displays them to the
user with knowledge of media reception quality in real time and helps to diagnose the problems on
their quality. Also in addition, trap will be generated when voice quality parameters like Jitter, Round
trip time, Packet-lost, R-factor and MOS values of media streams crosses user configured threshold.
In This Chapter
This chapter describes the SIP Snooping feature, and how to configure it through the Command Line Inter-
face (CLI). For more details about the syntax of commands, see the OmniSwitch AOS Release 8 CLI Refer-
ence Guide.
The following information and procedures are included in this chapter:
• “Quick Steps for Configuring SIP Snooping” on page 14-4.
• “SIP Snooping Overview” on page 14-5
• “SIP Snooping Configuration Guidelines” on page 14-8
• “SIP Snooping Limitations” on page 14-15
• “Verifying the SIP Snooping Configuration” on page 14-16.
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