Teachers, this month the company to upgrade the broadband, telecommunications to the subnet mask is 30, mask after the upgrade is now 29, IP address much more than before, and now I'm on the router is configured with the network address pool, hope that the network client can get the address from the web address pool on the Internet, but the show after the configured IP NAT trans, address translation is use the first address in the address of the pool, the address is not translation, consult everybody the teacher give directions, the configuration is as follows:
The router # sh run int gi0/0
Building the configuration...

The Current configuration: 201 bytes
!
Interface GigabitEthernet0/0
Description * * * * * To the ISP * * * * *
IP address 215.29.107.166 255.255.255.248
IP access - group AV in
IP NAT outside
IP virtual - reassembly in
Duplex auto
Speed auto
End

Router # sh run int gi0/1
Building the configuration...

The Current configuration: 176 bytes
!
Interface GigabitEthernet0/1
Description * * * * * To Switch * * * * *
IP address 172.16.0.254 255.255.255.0
IP NAT inside
IP virtual - reassembly in
Duplex auto
Speed auto
End

Router # sh run | se NAT
IP NAT outside
IP NAT inside
IP NAT pool Global 215.29.107.162 215.29.107.167 netmask 255.255.255.248
IP NAT NAT pool inside source list are Global overload
Router # sh IP access - list
Standard IP access list NAT
10 permit along, wildcard bits 0.0.0.255 (88092 matches)