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Cisco Bug: CSCtc97643 - Traffic gets drop when acl optimization is on and after modifying ACEs

Last Modified

Feb 22, 2017

Products (1)

  • Cisco Catalyst 6500 Series Firewall Services Module

Known Affected Releases


Description (partial)


With ACL (Access Control List) Optimization enabled on a Firewall Services Module (FWSM), new ACL entries may not be inserted in the correct order. This may result in incorrectly permitted or denied traffic.


ACL entries added or removed with ACL Optimization enabled.
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