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NB6, NB6W, NB6Plus4, NB6Plus4W, NB6Plus4Wn User Guide YML854Rev1
42 www.netcomm.com.au
Unnumbered IP over ATM (IPoA)
Description:
If you apply for multiple IP addresses from your ISP, you can assign these public IP addresses to the ADSL
Router and public server, e.g., Web or FTP server. Typically the first IP is network address, the second is used
as router IP address and the last one is subnet broadcasting. Other remaining IP addresses can be assigned
to PCs on the LAN.
The following example uses the IP address ranging from 10.11.80.81 to 10.11.80.86 and the subnet mask is
255.255.255.248. In such circumstance, we do not assign any WAN IP.
Configuration:
1. Start your browser and type 192.168.1.1 in the URL box to access ADSL web-based manager.
2. Go to Quick Start – Quick Setup. Uncheck Auto Scan Internet Connection (PVC). Key in the VCI and VPI
value, e.g.:
• VPI – 8
• VCI – 35
Click the Next button.
3. On the Configure Internet Connection – Connection Type page, select IP over ATM (IPoA) then click Next.
4. On the WAN IP Settings page, select None for WAN IP address settings. Then, select Use the following
DNS Server Address and key in the information that your ISP offered, e.g.:
Primary DNS server: 168.95.1.1
Secondary DNS server: 168.95.192.1
Uncheck Enable NAT and click Next.
5. On the Configure LAN side Settings page, key in the information for your LAN, e.g.,
Primary IP Address: 192.168.1.1
Subnet mask: 255.255.255.0
Start IP Address: 192.168.1.2
End IP Address: 192.168.1.254
6. Check Configure the second IP Address and Subnet Mask for LAN Interface and enter the information
needed, e.g.,
Secondary IP Address: 10.11.80.81
Subnet mask: 255.255.255.248
Check DHCP Server Off and click Next.
7. Check the network information on the Summary page. Make sure the settings match the settings
provided by your ISP. Click Finish.
8. Refer to the TCP/IP properties, specify an IP Address, and fill in other information needed, e.g.:
IP Address: 10.11.80.82
Subnet Mask: 255.255.255.248
Gateway: 10.11.80.81
Preferred DNS server: 168.95.1.1
9. Now the router is correctly configured. You can access the Internet.