3.7.d [iii] Outbound route filtering
read the opening paragraph from rfc5291 in the diagram:
or read the whole thing here: https://tools.ietf.org/html/rfc5291
configure bgp between AS 100 and AS 200; advertise the lo’s from PE1. debug bgp updates.
turn on the orf capability for both sides:
set up a prefix-list and make PE1 send only the routes you want.
what i like about the debug is you don’t need to check the bgp table…
if you don’t want to be all godzilla when you clear bgp, (like if it’s a production network) the softer way is illustrated below:
have fun orf’ing off…