I am attaching a diagram of a network.
We have 2 NAT Rules on each FW
FW1 NAT from 10.x.x.x /24 to 200.x.x.x /24
FW1 NAT from 192.168.0.x /24 to 190.x.x.x /24 Backup from site 2
FW2 NAT from 10.x.x.x /24 to 200.x.x.x /24 Backup from site 1
FW2 NAT from 192.168.0.x /24 to 190.x.x.x /24
We have an OSPF Area 0 between Internet Routers and Firewalls. On Internet Routers we have default information-originate, so FW gets the default route, so there is no problem from traffic getting out.
The problem is for the return traffic, when they get to the internet routers, they won't know where to get. I was thinking in a static route, but I was wondering is there is a bettet way, that Firewalls can announce this 2 public networks.
Thank you for you help