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Cisco Bug: CSCta93522 - Fastdrop entry not created for non-rpf packets causing high CPU on 4900m

Last Modified

Jan 27, 2017

Products (1)

  • Cisco Catalyst 4000 Series Switches

Known Affected Releases

12.2(52)SG

Description (partial)

Symptom:
  Non-RPF traffic is sent to CPU. Fastdrop entry for non-RPF packets is not created
 
  
  Conditions:
  If the router has a (*,G) entry for the group, then a fastdrop entry is not
 created to block the non-RPF packets from hitting the CPU.
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