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Cisco Bug: CSCuo37603 - object nat config getting deleted after reloaded with vpdn config

Last Modified

Nov 27, 2020

Products (1)

  • Cisco Adaptive Security Appliance (ASA) Software

Known Affected Releases

100.8(38) 9.1(5)

Description (partial)

Symptom:An ASA running 9.1(5),9.2(1) or later might have NAT commands rejected by the system. 
A console error message is displayed: "ERROR: NAT unable to reserve ports."

Conditions:To encounter this problem the either one the following scenario must be met:
Scenario 1:
1) ASA running version 9.1(5) or 9.2(1) or later
2) PPPoE configuration present on an interface
3) A NAT rule configured to use the PPPoE interface as the mapped IP for a translation
Scenario 2: 
1) ASA running version 9.1(5) or 9.2(1) or later
2) Existing NAT rules are deleted and reinstalled immediately either by failover/cluster sync or manually
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Bug Details Include

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