ZyXEL Communications 1001H manual Example 2 Internet Access with an Inside Server

P100IH ISDN Router

Menu 4 - Internet Access Setup

ISP's Name= ChangeMe

Pri Phone #= 4125678

Sec Phone #=

My Login= N/A

My Password= N/A

My WAN IP Addr= 0.0.0.0

NAT= SUA Only

Address Mapping Set= 255

IP Subnet Mask= N/A

Telco Options:

Transfer Type= 64K

Multilink= Off

Idle Timeout= 300

Press ENTER to Confirm or ESC to Cancel:

Figure 4-16 Internet Access & NAT Example

From Menu 4 shown above, simply choose the SUA Only option from the Network Address Translation field. This is the Many-to-One mapping discussed in section 4.1.3. The SUA Only read only option from the Network Address Translation field in Menus 4 and 11.3 is specifically pre-configured to handle this case.

4.6.2Example 2 – Internet Access with an Inside Server

Figure 4-17 NAT Example 2

In this case, we do exactly as above (use the convenient pre-configured SUA Only set) and also go to Menu 15.2.1 to specify the Inside Server behind the NAT as shown in the next figure.

4-16 NAT