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Cisco Bug: CSCvu61073 - Facebook Messenger Audio and Video Calls Detection

Last Modified

Aug 26, 2020

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

P2P_2.51.1246

Description (partial)

Symptom:
Customer was testing the facebook voice and video detection and they have noticed , detection % is good . But when customer doesn't have balance ip "IP any traffic" , it seems like facebook video and auto stuck is connecting state and never connect .It looks like some of initial handshake are going as ip any and this seems causing the problem . Based on the analysis , these are STUN packets and from the IP subnet ,we can clearly see its facebook but staros is Classifying as IPANY.

Conditions:
the facebook traffic which is coming from 157.240.195.49  is detected as stun
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