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Cisco Bug: CSCta91857 - NAT SCCP tcp fragments cause one way audio/video due to TCP Window 0

Last Modified

Feb 05, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

12.4(15)T6a 12.4T 15.1(0.18)T

Description (partial)

One way audio/video when IP Phone is behind a NAT router due to SCCP fragments arriving out of order on outside interface..
Outside interface receives the TCP fragments out of order.
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