Exercise 3: Filtering peer routes using AS-path

AS 7

AS 1

AS 3

AS 5

AS 9

AS 8

AS 2

AS 4

AS 6

AS 10

A

C

B

F

E

I

G

D

H

J

Provider

AS 100

Transit to provider

Not yet filtering here

Transit to provider

Not yet filtering here

Connections to local peers

Filter all routes here!

Previous slide

Next slide

Back to first slide

View graphic version