Cisco Bug: CSCvs39559 - Reflexive ACL does not work on PATed packets in specific situation on IOS 15.7(3)M4a.
Aug 06, 2020
- Cisco IOS
Known Affected Releases
Symptom: Reflexive ACL does not work on PATed packets in specific situation on IOS 15.7(3)M4a. But it works well on IOS 15.3(3)M4. Conditions: This will occur when the router is configured as below. 1. An ACL is applied to inbound of PAT inside interface. 2. The ACL which described above has a rule containing masked address AND the masked address is overlapping with PAT internal address. 3. An Reflexive ACL is applied to PAT outside interface.
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