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Cisco Bug: CSCvi10989 - SIP inspection is not able to inject RTP connection from SIP messages in the connection table

Last Modified

Jul 26, 2019

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

9.6(3.17)

Description (partial)

Symptom:
Pinhole is not open.
ASA deny the traffic and generates following syslog %ASA-4-106103: 
Debug sip
SIP::ERROR: No space to store media x.x.x.x/0 in sip session
SIP::RTP/RTCP conn not allocated for y.y.y.y/port to x.x.x.x

Conditions:
There is a Dynamic ACL (DACL) from ISE for restrict AnyConnect VPN access and this DACL permits only SIP/SKINNY traffic.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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