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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: