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In this section: Table of Contents maxLevel 3

The Logical Interfaces section configures IP addresses (both IPv4 and IPv6) for the Ethernet ports and VLANs. Detailed description of the IP addresses for each of the

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platforms is given below. To configure the physical layer settings and VLANs for the Ethernet ports, go to Ports.

About Logical Interfaces -

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SBC 1000

The 

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supports  supports three system created logical interfaces (known as Ethernet 1 IP,  Ethernet 2 IP, and Ethernet 3 IP) used to hold the IP addresses of the Ethernet ports 1, 2, and 3 respectively. In addition to the system created logical interfaces, the

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also supports user created VLAN logical interfaces. VLAN logical interfaces are created each time a VLAN is added to the system. See About Logical Interfaces - VLAN Interfaces.

Info
The third Ethernet port on the SBC 1000 is available only if running selected SBC 1000 hardware and SBC Release 6.0.0 or later. For hardware details, see Sonus Ribbon SBC 1000 Hardware Specifications.

Ethernet IP

When delivered from the factory, Ethernet 1 IP is enabled with DHCP by default, and an IPv4 address is acquired via a connected DHCP server. This IP address is used for performing Initial Setup on the SBC 1000. See Running Initial Setup for more information.

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Info
Typical Skype for Business deployment where all three Ethernet ports are used: Ethernet Port 1 to LAN Ethernet Port 2 to WAN network 1 (primary) Ethernet Port 3 to WAN network 2 (backup)

 About Logical Interfaces -

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SBC 2000

The

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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 Sonus SBC 2000 Front Panel). In addition to the system created logical interfaces, the Sonus

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SBC 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.

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When delivered from the factory, Ethernet 1 IP is enabled with DHCP by default, and an IPv4 IP address is acquired via a connected DHCP server. This IP address is used for performing Initial Setup on the

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. See 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 -

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SBC SWe Lite

The

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supports five system created logical interfaces (known as Administrative IP, Ethernet 1 IP, Ethernet 2 IP, Ethernet 3 IP, and Ethernet 4 IP). In addition to the system created logical interfaces, the

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SBC SWe supports user-created VLAN logical sub-interfaces.

Administrative IP

The 

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system supports a logical interface called the Admin IP (Administrative IP, also known as the Management IP). A Static IP or DHCP is used for running Initial Setup of the 

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system.

Warning
The Administrative IP interface should be used for Running Initial Setup, as well as all management related functionality from the web browser.

Ethernet IP

The 

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system has four logical interfaces. In most deployments, one of these logical interfaces (typically Ethernet 1 IP) is assigned an IP address 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 

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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 the

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WebUI.

In the default software, Ethernet 1 IP is enabled and an IPv4 IP address is acquired via a connected DHCP server. This IP address is used for performing Initial Setup on the

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. 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.

About Logical Interfaces - VLAN interfaces

SBC Edge 1000-2000

As described in the Managing VLANs - SBC Edge 1000-2000 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.

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

SBC SWe Lite

VLAN sub-interfaces allow the separation of either management traffic between the service provider and the customer, or to keep media traffic from multiple sources separate (that need to exist on the same SWe Lite instance). For example, a service provider could use a VLAN to manage a SWe Lite at a customer premise, while also having a management interface for the customer; the service provider and the customer would be on the same physical network, but have separate logical interfaces.

When a VLAN sub-interface is configured, any IP traffic that uses that sub-interface will be VLAN tagged with the configured value.

VLAN sub-interfaces behave the same as any other Logical Interface, and are used for transporting VOIP media packets (e.g. RTP, SRTP), protocol packets (e.g. SIP, RTCP, TLS), and/or dynamic routing.

Configuration for each VLAN sub-interface is identical to the main interfaces (except the VLAN value is used to specify the interface as a sub-interface).

For configuring VLAN sub-interfaces, refer to Managing VLANs - SBC SWe Lite.

About Logical Interfaces - IPv4 and IPv6 Support

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Caption 0 Figure 1 IPv6 to IPv4 Example

 

IPv6 to IPv6 - Example

In this example, both the LAN and the WAN use IPv6. The SBC is responsible for serving as a back-to-back user agent between the two call legs. The DNS server and NTP server are both on the WAN.

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Caption 0 Figure 1 IPv6 to IPv6 Example  Image Modified

 

IPv4 to IPv6 - Example

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Info The example below is shown for SBC 2000. In the WebUI, click the Settings tab. In the left navigation pane, go to Node Interfaces > Logical Interfaces (Networking Interfaces > Logical Interfaces. for SWe Lite) Panel borderStyle none Caption 0 Figure 1 Logical Interfaces - SBC 2000 Example  Image Modified

To view an interface's properties:

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Logical Interfaces and Redundant Ethernet Pairs

If the logical interface is part of a redundant Ethernet pair, several of the options on the secondary logical interface will become read-only. 

 

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