The client has the following scenario:
He wants to know to configure the dynamic NAT on the AR161 router for the client A to be able to do a videoconference and have access the internet through a single internet connection.
1. Configure NAT outbound so the user A can access the Internet like below:
The system view is displayed.
nat address-group group-index start-address end-address
A public address pool is configured.
interface interface-type interface-number [ .subnumber ]
The interface view or sub-interface view is displayed.
nat outbound acl-number address-group group-index [ no-pat ]
Outbound NAT that references an
address pool is configured.
2.Configure NAT server so the external users can access the private network like below:
[Router-GigabitEthernet0/0/0]nat server global X.X.X.X inside Y.Y.Y.Y
3. Configure NAT alg so the packets for the application protocol can traverse the public network through NAT like below:
[Huawei] nat alg sip enable