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What are the two solutions to fix the issue?

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(@cainsmarshall)
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Exhibit:

BGP is flapping after the Copp policy is applied .

What are the two solutions to fix the issue? (Choose two)

  • A . Configure BGP in the COPP-CRITICAL-7600 ACL
  • B . Configure a higher value for CIR under the default class to allow more packets during peak traffic
  • C . Configure a higher value for CIR under the class COPP-CRITICAL-7600
  • D . Configure a three-color policer instead of two-color policer under class COPP-CRITICAL-7600
  • E . Configure IP CEF to CoPP policy and BGP to work

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Suggested Answer: A,B

Explanation:

The policy-map COPP-7600 only rate-limit HTTP & HTTPS traffic (based on the ACL conditions) so any BGP packets will be processed in the class “class-default”, which drops exceeded BGP packets.

Therefore we have two ways to solve this problem:

+ Add BGP to the ACL with the statement “permit tcp any any eq bgp”

+ Configure higher value for CIR in default class as 2Mbps is too low for web traffic (http & https)

   
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