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Cisco Bug: CSCvs37264 - CUBE ignores SIP UPDATE w/SDP if preceded by two 18x w/SDP

Last Modified

Nov 18, 2020

Products (5)

  • Cisco 2600 Series Multiservice Platforms
  • Cisco 1000 Series Integrated Services Routers
  • Cisco 4000 Series Integrated Services Routers
  • Cisco ASR 1000 Series Aggregation Services Routers
  • Cisco Cloud Services Router 1000V Series

Known Affected Releases

Gibraltar-16.12.1a

Description (partial)

Symptom:
CUBE Ignores SIP UPDATE w/SDP if Preceded by two 18x w/SDP

CUBE won't send the UPDATE to the other leg and won't send a response

Any other UPDATE with SDP with the same CSeq (Retransmissions) received after that will be dropped as well by the CUBE

Conditions:
Receive two 18X with SDP in the same leg where the UPDATE with SDP is received
If both 18X don't have SDP, the issue won't happen

Issue starts happening with the following versions.
16.12.1a = issue happens
16.11.1a   = issue happens
16.10.1a   = issue happens
16.9.2     = issue happens
16.8.2     = issue happens
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Bug Details Include

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  • Status
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