Showing posts with label Prefix-Lists and Access Lists. Show all posts
Showing posts with label Prefix-Lists and Access Lists. Show all posts

Wednesday, 22 May 2019

OSPF Series 8: Prefix Lists

Prefix Lists

Example 1)

access-list 1 permit 1.2.3.0 0.0.0.255
ip prefix-list LIST permit 0.0.0.0/0 le 32
This means:

Check the first 0 bits of the prefix 0.0.0.0 The subnet mask must be less than or equal to 32