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					Memo
Rev Date Rev. Document ID Approved by

2006-01-02
Prepared by

A Ole Christian Sørlie

Eldar Hovda

Internet Connetion Sharing Nera WorldPro1000

1. INTERNET CONNECTION SHARING TEST WITH NERA WORLDPRO 1000
The setup: We configured a shared network solution involving two PC’s, a portable LAN based Tandberg videoconferencing equipment. To make the PC’s and the Tandberg equipment to share an internet connection over WorldPro 1000, we enabled Internet Connection Sharing (ICS) on the PC which had the terminal connected on the USB port.

1.1 What are the advantages using ICS?
    ICS makes it possible for different LAN devices as PC’s, web cams, WLAN AP’s e.g. to share an internet connection. ICS is also completely free as it is built into modern operating systems as Windows 2000 and Windows XP. It is also very easy to implement and install ICS. Just right-click on the dial-up icon you want to share and check the “Internet Connection Sharing” checkbox. (A description follows later in this document). With ICS you can benefit from the advantage s the dial up connection provides prior to an ordinary LAN connection (E.g. the connection disconnect’s automatically after xx minutes, Implement billing application that calculates how much data traffic each Ethernet device on the LAN has been used).

After the ICS is enabled, all the Ethernet devices on the LAN which has DHCP enabled will be given IP addresses and routing information from the PC which was connected to the terminal. This information is sufficient to make the devices able to connect the internet over a shared device as a modem, ISDN adapter, LAN adapter or even a Nera WorldPro 1000. Some examples are listed with describing pictures below.

1.2 How to enable Internet Connection Sharing (ICS) 1.2.1 Windows XP and Windows 2000:
Press ”Start” - ”Settings” - ”Control Panel” - “Network Connections” Double-click the “Inmarsat BGAN” dial-up icon and choose the sheet named “Advanced” To enable Internet Connection Sharing click the checkbox “Allow other network users to connect through this computer’s internet connection” as in the picture below. Choose the network adapter to be used by this connection. E.g. If you intend to connect a switch and some PC’s, so that they can share the internet connection through the Nera WorldPro 1000 BGAN terminal choose “Local Area Connection”. See also more example drawings below in this document. E.g. If you intend to connect the PC directly to a Wireless LAN, so other WLAN users can access internet through the Nera WorldPro 1000 BGAN terminal choose “Wireless Area Connection”. See also more example drawings below in this document.

Nera SatCom AS
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1.3 LAN to switch/hub from PC with ICS and WorldPro 1000 connected to USB port
A common connection where you have several PC’s in a LAN and want to share an internet connection over a USB based Nera WorldPro 1000. A lot of PC’s can be used in this network and all the Ethernet devices which is set up using DHCP (default setting) will be given IP addresses and routing information. This information is sufficient to make the Ethernet devices able to access internet over a Nera WorldPro 1000. Each PC in the network will be able to initiate a connection to the internet without doing anything on the PC which has the Nera WorldPro 1000 connected on the USB port.

LAN - Internet Connection Sharing

Nera WorldPro 1000 USB til BGAN Laptop med LAN og USB LAN til portabelt videokonferanseutstyr

10/100 Mbit ethernet svitsj

LAN til PC

Laptop med internet tilgang over ICS

Tandberg portabel videokonferanse - IP

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1.4 LAN from PC with ICS and WorldPro1000 connected to USB port to WLAN AP/router
A common connection where you have several PC’s in a WLAN/LAN and want to share an internet connection over a USB based Nera WorldPro 1000. A lot of PC’s can be used in this network and all the Ethernet devices which is set up using DHCP (default setting) will be given IP addresses and routing information. This information is sufficient to make the Ethernet devices able to access internet over a Nera WorldPro 1000. Each PC in the network will be able to initiate a connection to the internet without doing anything on the PC which has the Nera WorldPro 1000 connected on the USB port. The example below demonstrates that several PC’s with or without a WLAN adapter can share an internet connection over a WorldPro 1000.

Nera WorldPro 1000 with WLAN support - (WLAN Access Point/ router)
LAN - Internet Connection Sharing LAN to WLAN AP/router USB cable to BGAN/Worldpro 1000 Nera WorldPro 1000

Laptop with LAN adapter and USB port WLAN (IEEE 802.11 b/g AP (Access Point) or WLAN router with integrated svitch

WLAN to PC

Laptop with access to internet . WLAN through WorldPro1000

LAN to PC WLAN to PC

Desktop PC with access to internet. LAN through WorldPro1000

Desktop PC with access to internet. WLAN through WorldPro1000

Computer

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1.5 Wireless from PC with ICS and WorldPro1000 connected to USB port
A common connection where you have several PC’s in a WLAN and want to share an internet connection over a USB based Nera WorldPro 1000. A lot of PC’s can be used in this network and all the Ethernet devices which is set up using DHCP (default setting) will be given IP addresses and routing information. This information is sufficient to make the Ethernet devices able to access internet over a Nera WorldPro 1000. Each PC in the network will be able to initiate a connection to the internet without doing anything on the PC which has the Nera WorldPro 1000 connected on the USB port. The example below demonstrates that several PC’s with a WLAN adapter can share an internet connection over a WorldPro 1000.

Nera WorldPro 1000 with WLAN support - (WLAN Access Point/ USB cable to router) BGAN
LAN - Internet Connection Sharing Nera WorldPro 1000

WLAN to AP/router WLAN (IEEE 802.11 b/g AP (Access Point) or WLAN router with integrated svitch

Laptop with LAN adapter and USB port

WLAN to PC

Laptop with access to internet . WLAN through WorldPro1000

LAN to PC WLAN to PC

Desktop PC with access to internet. LAN through WorldPro1000

Desktop PC with access to internet . WLAN through WorldPro1000

Computer

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Rev Date Rev. Document ID

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A Internet Connetion Sharing

1.6 Wireless LAN ad hoc with ICS and WorldPro1000 connected to USB port
A common connection where you have several PC’s in a WLAN and want to share an internet connection over a USB based Nera WorldPro 1000. A lot of PC’s can be used in this network and all the Ethernet devices which is set up using DHCP (default setting) will be given IP addresses and routing information. This information is sufficient to make the Ethernet devices able to access internet over a Nera WorldPro 1000. Each PC in the network will be able to initiate a connection to the internet without doing anything on the PC which has the Nera WorldPro 1000 connected on the USB port. The example below demonstrates that several PC’s with a WLAN adapter can share an internet connection over a WorldPro 1000 without using a WLAN access point. The picture below demonstrates the use of ad hoc capabilities which is part of the IEEE 802.11 b/g standard. (Read the conditions below).

Nera WorldPro 1000 with WLAN support - (WLAN ad hoc*)
WLAN - Internet Connection Sharing ( ad hoc) USB cable to BGAN/Worldpro 1000

Nera WorldPro 1000

Laptop with WLAN adapter and USB port

WLAN to PC WLAN to PC

Desktop PC with access to internet. WLAN through WorldPro1000

Laptop with access to internet. WLAN through WorldPro1000

*) On wireless computer networks, ad-hoc mode is a method for wireless devices to directly communicate with each other. Operating in ad-hoc mode allows all wireless devices within range of each other to discover and communicate in peer-to-peer fashion without involving central access points (including those built in to broadband wireless routers). To set up an ad-hoc wireless network, each wireless adapter must be configured for ad-hoc mode versus the alternative infrastructure mode. In addition, all wireless adapters on the ad-hoc network must use the same SSID and the same channel number. An ad-hoc network tends to feature a small group of devices all in very close proximity to each other.

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