This chapter captures and analyzes packets dropped by a router during forwarding. It helps network administrators understand blocked traffic, identify security threats, troubleshoot issues, and optimize performance by mirroring these packets to a specified destination.
Benefits of mirroring forward-drop packets
These are the benefits of mirroring forward-drop packets to a suitable destination:
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By mirroring and analyzing forward-drop packets, network administrators gain better visibility into the types of traffic that are blocked by the firewalls and access control lists (ACL).
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As the original dropped packet is forwarded without any change, it helps in identifying the source of potential security threats.
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Analyzing forward-drop packets helps troubleshoot network issues that may be causing the packet drop. This helps in taking proactive measures to avoid escalation of the issue.