Use of Private AS
A) “remove-private-as” on RC
AS-P1 sees 10.0.0.0 ? AS-137
AS-P3 sees 10.0.0.0 ? AS-137
ISP sees 10.0.0.0 ? AS-137
B) “remove-private-as” on RT
AS-P1 sees 10.0.0.0 ? AS-P2
AS-P3 sees 10.0.0.0 ? AS-P2
ISP sees 10.0.0.0 ? AS-137
AS-137 sends to AS-Px: ^$
AS-P1, AS-P3 get from AS-137: ^137$
AS-137 sends to AS-Px: ^$ and AS-Py
AS-P1, AS-P3 get from AS-137: .*