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# Prevention Techniques

- ## Technical help tips for Cisco routers:

  - BugID CSCdj35407 - “fast drop” ACL code
    - This bug fix optimizes the way that packets denied by an ACL are dropped within IOS, reducing CPU utilization for large amounts of denied traffic.
    - First major release of integration is 11.1(14)CA
    - Not available in 11.2 yet, but coming
  - BugID CSCdj35856 - ACL logging throttles
    - This bug fix places a throttle in IOS which will allow a user to specify the rate at which logging will take place of packets which match a condition in an ACL where “log” or “log-input” is specified.
    - First maintenance release of integration is 11.1(14.1)CA
    - Not available in 11.2 yet, but coming

### Notes: