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Cisco Bug: CSCus14147 - ASA generate pool exhausted for sip inspect with embedded IP but no port

Last Modified

Aug 07, 2018

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

9.1(2) 9.1(3) 9.1(5) 9.2(2.4) 9.3(1)

Description (partial)

When ASA receive UDP SIP message Status: 200 OK for not existing transaction the syslog "%ASA-3-202010: NAT/PAT pool exhausted. Unable to create connection" is generated.
NAT does return success and SIP sends out the packet.

ASA is configured with sip inspection.
PAT is configured for sip traffic.
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