Prefix Lists

• Cisco first introduced prefix lists in IOS 12.0

• Used to filter routes, and can be combined with route maps for route filtering and manipulation

• Provide much higher performance than access control lists and distribute lists

• Are much easier to configure and manage

  • Using CIDR address/mask notation
  • Sequence numbers (as in named access-lists)

Previous slide

Next slide

Back to first slide

View graphic version