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The Logical Interfaces section configures IP addresses for the Ethernet ports and VLANs. Detailed description of the IP addresses for each of the Sonus SBC 1000/2000 platforms is given below. To configure the physical layer settings and VLANs for the Ethernet ports, go to Ports.

On this page:

About Logical Interfaces - Sonus SBC 1000

The Sonus SBC 1000 supports two system created logical interfaces (known as Ethernet 1 IP and Ethernet 2 IP) used to hold the IP addresses of the Ethernet ports 1 and 2 respectively (see item #8 on the Sonus SBC 1000 Front Panel). In addition to the system created logical interfaces, the Sonus SBC 1000/2000 also supports user created VLAN logical interfaces. VLAN logical interfaces are created each time a VLAN is added to the system, and are further described in the About Logical Interfaces - VLAN Interfaces subsection below.

Ethernet IP

When delivered from the factory, Ethernet 1 IP is enabled with DHCP by default, and an IP address is acquired via a connected DHCP server. This IP address is used for performing Initial Setup on the Sonus SBC 1000. See Running Initial Setup for more information.

The default IP address for the logical interface named Ethernet 2 IP is 192.168.129.2. After initial configuration, you may configure this logical interface using Settings or Tasks tabs in the WebUI.

The IP addresses configured on the two logical interfaces and the VLAN interfaces are used for transporting all the VOIP media packets (e.g., RTP, SRTP) and all protocol packets (e.g., SIP, RTCP, TLS). DNS servers of the customer's network should map the Sonus SBC 1000/2000 system hostname to the configured IP addresses. The hostname or these IP addresses may be used by UC-enabling systems such as SIP-phones, IP-PBX and Microsoft Lync Servers and for accessing Sonus SBC 1000/2000 WebUI.

About Logical Interfaces - Sonus SBC 2000

The Sonus SBC 2000 supports five system created logical interfaces (known as Administrative IP, Ethernet 1 IP, Ethernet 2 IP, Ethernet 3 IP, and Ethernet 4 IP) used to hold the IP addresses of the Admin port and each of the four Ethernet ports (see item #7, 8, 9 on the Sonus SBC 2000 Front Panel). In addition to the system created logical interfaces, the Sonus SBC 1000/2000 also supports user created VLAN logical interfaces. VLAN logical interfaces are created each time a VLAN is added to the system, and are further described in the About Logical Interfaces - VLAN Interfaces subsection below.

Administrative IP

The Sonus SBC 2000 system defines a logical interface called the Admin IP (Administrative IP, also known as the Management IP). This logical interface is used to hold the IP address of the Admin Ethernet port (see item #7 on the Sonus SBC 2000 Front Panel). A secondary IP address may be configured for this logical interface. The primary IP address is a factory-default IP address of 192.168.128.2/24 and it is used for running Initial Setup of the Sonus SBC 1000/2000 system.

The Administrative IP port should only be used for Running Initial Setup and disconnected when not in use (especially to avoid conflicts with your network). This interface cannot be used for VOIP media or protocols.

Ethernet IP

The Sonus SBC 1000/2000 system has one predefined logical interface for each of the four Ethernet ports. In most deployments, one of these logical interfaces (typically Ethernet 1 IP) and its assigned IP address is used for transporting all the VOIP media packets (e.g., RTP, SRTP) and all protocol packets (e.g., SIP, RTCP, TLS). DNS servers of the customer's network should map the Sonus SBC 1000/2000 system hostname to this IP address. The hostname or these IP addresses may be used by UC-enabling systems such as SIP-phones, IP-PBX and Microsoft Lync Servers and for accessing Sonus SBC 1000/2000 WebUI.

By default, each of the four Ethernet ports is set up to use its matching logical interface (e.g. Port Ethernet X uses Ethernet X IP) for IP layer communication, but this can be changed by configuring the VLAN settings on the Ethernet port.

When delivered from the factory, Ethernet 1 IP is enabled with DHCP by default, and an IP address is acquired via a connected DHCP server. This IP address is used for performing Initial Setup on the Sonus SBC 1000. See for Running Initial Setup more information. The default IP address for the logical interface named Ethernet 2 IP is 192.168.129.2. After initial configuration, you may configure this logical interface using Settings or Tasks tabs in the WebUI.

About Logical Interfaces - VLAN Interfaces

As described in the Managing VLANs section, each time a VLAN is created, a matching Logical Interface is also automatically created. This Logical Interface allows you to configure an IP address and have IP layer access for this VLAN. The configured IP address can be accessed through any Ethernet port that is associated with the given VLAN. VLAN Logical Interfaces behave the same as any other Logical Interface, and can be used for transporting VOIP media packets (e.g. RTP, SRTP), protocol packets (e.g. SIP, RTCP, TLS), and/or dynamic routing.

When a VLAN Logical Interface is first created, it will be disabled by default.

Managing Logical Interfaces

  1. In the WebUI, click the Settings tab.
  2. In the left navigation pane, go to Node Interfaces > Logical Interfaces.

To view an interface's properties:

  1. Click the popup() icon next to the entry you want to view.
  2. When you are finished, close the window.

Helpful Tip: To delete an entry, simply select the checkbox next to the entry you wish delete, then click the Delete () icon located at the top of the window.