How is routing learned or propagated for IP subets or addresses that are used by NAT?
A. Routing for IP addresses created by NAT is learned if: • The inside global address pool is derived from the subnet of a next-hop router. • Static route entry is configured in the next-hop router and redistributed within the routing network. When the inside global address is matched with the local interface, NAT installs an IP alias and an ARP entry, in which case the router will proxy-arp for these addresses. If this behavior is not wanted, use the no-alias keyword. When a NAT pool is configured, the add-route option can be used for automatic route injection.
