NAT issue

During a lab setup I encounterd on a strange behaviour.

Lab setup
           S0/1 Fa0/0
R1--------------R3---------------R5----------R1

R3 is a nat router which nat 10.130.208.211 to 105.12
I want both addresses to be reachable and synchronous (ping 105.12 and
receive a reply from 105.12, ping 208.211 and a receive a reply form
208.211)
After some configurations I configurated a route-map with a deny any
statement. Both 105.12 and 208.211 are reachable and reply synchronous. But
I do not know why if I ping 105.12 from R5 or R1 i receive a reply form
105.12 because the route-map has a deny any.

Can anyone clarify this?

Config R3
interface Loopback1
 ip address 10.15.105.1 255.255.255.0
!
interface FastEthernet0/0
 ip address 10.15.98.1 255.255.255.0
!
interface Serial1/0
 ip address 10.130.208.254 255.255.255.128
!
ip nat inside source static 10.130.208.211 10.15.105.12 route-map test
!
ip access-list standard NAT
 deny any
!
logging alarm informational
access-list 100 permit icmp any any
!
route-map test permit 10
 match ip address NAT
!
!

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Received on Fri May 21 2010 - 14:53:43 ART