The boss of the P4S company plans to dual-home two service providers for Internet connectivity. The full Internet routing table will be accepted from each provider to provide optimal outbound routing. P4S has obtained address space and an AS to use in connecting to the Internet. Which mechanism is the simplest one that P4S can use to prevent it from becoming a transit between the two service providers?
A) Build a route filter that only allows networks which are tagged with the LOCAL community to be advertised to each of the service providers.
B) Build a route filter that only allows the specific networks the enterprise owns to be advertised to each of the service providers.
C) Build a route filter that only allows networks with an empty AS path to be advertised to each of the service providers.
D) Build a traffic filter that only allows traffic originating from the specific networks the enterprise owns to be forwarded towards the service providers.

Question

Quizplus · Accepted Answer

The Answer of The boss of the P4S company plans to dual-home two service providers for Internet connectivity. The full Internet routing table will be accepted from each provider to provide optimal outbound routing. P4S has obtained address space and an AS to use in connecting to the Internet. Which mechanism is the simplest one that P4S can use to prevent it from becoming a transit between the two service providers?
A) Build a route filter that only allows networks which are tagged with the LOCAL community to be advertised to each of the service providers.
B) Build a route filter that only allows the specific networks the enterprise owns to be advertised to each of the service providers.
C) Build a route filter that only allows networks with an empty AS path to be advertised to each of the service providers.
D) Build a traffic filter that only allows traffic originating from the specific networks the enterprise owns to be forwarded towards the service providers.

The Boss of the P4S Company Plans to Dual-Home Two