Chapter 3: Accessing the Internet

Unnumbered IP over ATM (IPoA)+NAT

Description:

If you apply for multiple IP addresses from your ISP, you can assign these public IP addresses to the IAD and public server, e.g., Web or FTP server. Typically the first IP is network address, the second is used as the IAD 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 10.3.80.81 to 10.3.80.86 and the subnet mask is 255.255.255.248. In such circumstance, we enable NAT function but 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 – 0 VCI – 32

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

5.Check the Enable NAT box. And click Next.

6.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

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Siemens SLI-5310-I IAD manual Unnumbered IP over ATM IPoA+NAT, Primary DNS server Secondary DNS server
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SLI-5310-I IAD, SLI-5310 specifications

The Siemens SLI-5310 and SLI-5310-I Integrated Access Devices (IAD) are advanced telecommunications solutions designed to facilitate efficient connectivity and high-quality voice services over IP networks. These devices stand at the intersection of traditional telephony and modern IP-based communications, offering a robust solution for businesses requiring integrated voice and data services.

One of the main features of the Siemens SLI-5310 is its ability to support multiple communication protocols, making it versatile for various network environments. This device can handle both TDM (Time Division Multiplexing) and VoIP (Voice over Internet Protocol), allowing organizations to transition smoothly from legacy systems to modern IP solutions. The SLI-5310-I variant extends these capabilities further by offering integrated router functionalities, ensuring reliable data transfer alongside voice services.

The SLI-5310 supports a range of interfaces, including analog and digital ports, enabling connection with various telephone types and devices. This flexibility ensures that businesses can leverage their existing telecommunications infrastructure while upgrading to newer technologies. The device is also equipped with advanced echo cancellation and voice compression technologies, improving voice quality and minimizing latency during calls.

In terms of management and monitoring, the Siemens SLI-5310 series comes with a user-friendly interface, which allows administrators to configure and manage settings seamlessly. Built with advanced security features, these IADs protect against potential threats, ensuring that both voice and data communications remain secure. Encryption protocols and support for VPNs (Virtual Private Networks) further enhance the security framework.

In summary, the Siemens SLI-5310 and SLI-5310-I IADs are versatile communications solutions that combine traditional and modern technologies to deliver high-quality voice and data services. With support for multiple interfaces, advanced voice processing capabilities, and robust security measures, these devices cater to the evolving needs of businesses looking for reliable telecommunications solutions. Their ability to integrate seamlessly into existing networks while offering scalability makes them an ideal choice for enterprises aiming to future-proof their communication systems.
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