Reversible NAT

NOTE

reversibleキーワード
ダイナミック NAT によるエントリがある状態で、IFとアドレスの組み合わせが合えば外部発のセッションも通す

interface GigabitEthernet1/0.45
 ip nat outside
interface GigabitEthernet1/0.58
 ip nat inside
ip access-list standard R10
 permit 150.1.10.10
 permit 155.1.108.10
!
route-map MAP-ADDRESS permit 10
 match ip address R10
 match interface GigabitEthernet1/0.45
ip nat pool POOL-ADD 155.1.45.100 155.1.45.200 netmask 255.255.255.0
ip nat inside source route-map MAP-ADDRESS pool POOL-ADD reversible