思科inside destination 地址转换，求高手解答疑问。

荒.....原~

inside destinatiointerface FastEthernet0/3 no switchport
ip address 24.1.1.1 255.255.255.252
ip nat outside
ip virtual-reassembly
!
interface FastEthernet0/4
no switchport
ip address 10.10.1.1 255.255.255.0
ip nat inside
ip virtual-reassembly
!


ip nat pool yang 10.10.1.2 10.10.1.3 netmask 255.255.255.0 type rotary
ip nat inside destination list 2 pool yang
!
access-list 1 permit any
access-list 2 permit 10.1.1.10
这个是NAT路由器配置，求高手解答，为啥没有NAT转换表呢，我用的3640模拟器