I have a scenario where ASA is connected with two distinct ISP's.
126.96.36.199/30 is the address on outside1 interface of the ASA to connect with ISP1 and 188.8.131.52/30 is the address on outside2 interface of the ASA to connect with ISP2.
I am running ospf on ASA and announce to those ISP's the class 184.108.40.206/24. In order to do that, I configured another physical interface with name inet_adv and advertise it through ospf dynamic protocol. Both ISP's receive my class, but I have no connectivity between ISP's and 220.127.116.11 (the ip assigned to interface inet_adv) or other ip's from this network subnet.
I don't know what could be the problem. I know ASA should do proxy arp to respond to those ip's.
Thank you for your answer