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Is Disabling ICMP Redirects Required When Using Route-maps?

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TitleIs Disabling ICMP Redirects Required When Using Route-maps?
Question
Does ICMP redirect need to be enabled when using policy based Routing?
Environment
  • S-Series
  • K-Series
  • N-Series
Answer
If there is only one gateway then you don't need to disable ICMP redirects but if you have multiple gateways and not all have a route-map then disabling ICMP redirect will prevent that router from redirecting the traffic to a router that does not have a route-map on the interface.
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