Prefix Trees

A prefix tree is a nonsequential collection of permit and deny conditions that applies to IP addresses.

This topic describes the following:

• Prefix Tree Overview
• Creating or Configuring an IP Prefix Tree for Best Route Filtering
• Clearing Hit Counts in the IP Prefix Tree
• Matching Routes on the Basis of the Destination IP Address Permitted by the Prefix Tree
• Matching Routes on the Basis of the Next-Hop Router IP Address Passed by the Prefix Tree
• Summarizing Matched Routes on the Basis of the Network Base Address Set in the Prefix Tree