Routing TCP/IP, Volume II: CCIE Professional Development, Second Edition

Case Study: Using Prefix Lists

Example 4-47 shows a simple application of a prefix list that performs the exact same filtering function as the ACL configuration in Example 4-42. This example shows several advantageous features of the ip prefix-list statement:

The prefix list uses a name rather that a number, making it easier to identify individual filters.⁹

⁹ You can also use named access lists for route filtering.

An ip prefix-list description statement can be added to the beginning of the list, with up to 80 characters of text to aid in interpreting ...