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®
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REFERENCE MANUAL
·
DHCP Server
‘Start IP Address’
The first IP address that may be assigned to a LAN host. Since the gateway’s default IP address is 192.168.1.1,
this address must be 192.168.1.2 or greater.
‘End IP Address’
The last IP address in the range that can be used to automatically assign IP addresses to LAN hosts.
‘Subnet Mask’
A mask used to determine to what subnet an IP address belongs. An example of a subnet mask value is
255.255.0.0.
‘WINS server’
If you use a Windows Internet Naming Service (WINS), specify the WINS server address in this field.
‘Lease Time In Minutes’
Each device will be assigned an IP address by the DHCP server for a this amount of time, when it connects to the
network. When the lease expires the server will determine if the computer has disconnected from the network.
If it has, the server may reassign this IP address to a newly-connected computer. This feature ensures that IP
addresses that are not in use will become available for other computers on the network.
‘Provide Host Name If Not Specified by Client’
If the DHCP client does not have a host name, the gateway will automatically assign one for him.
Figure 5.31 IP Address Distribution - DHCP Server
·
DHCP Relay
Your gateway can act as a DHCP relay in case you would like to dynamically assign IP addresses from a DHCP
server other than your gateway’s DHCP server. Note that when selecting this option you must also change
GlobeSurfer
®
II’s WAN to work in routing mode. For more information, see section 6.6.10.2.
4.
After selecting ‘DHCP Relay’ from the drop down menu, a ‘New IP Address’ link will appear:
Figure 5.32 IP Address Distribution - DHCP Relay
Click the ‘New IP Address’ link. The ‘DHCP Relay Server Address’ screen will appear:
Figure 5.33 DHCP Relay Server Address
5. Specify the IP address of the DHCP server.
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6. Click ‘OK’ to save the settings.
·
Disabled Select ‘Disabled’ from the combo-box if you would like to statically assign IP addresses to your network
computers.
Figure 5.34 IP Address Distribution - Disable DCHP
5.2.3.5
Routing
You can choose to setup your gateway to use static or dynamic routing. Dynamic routing automatically adjusts how
packets travel on the network, whereas static routing specifies a fixed routing path to neighboring destinations.
‘Routing’
Select ‘Advanced’ or ‘Basic’ routing.
‘Device Metric’
The device metric is a value used by the gateway to determine whether one route is superior to another,
considering parameters such as bandwidth, delay, and more.
‘Default Route’
Select this check box to define this device as the default route.
‘Multicast - IGMP Proxy Internal’
IGMP proxy enables the system to issue IGMP host messages on behalf of hosts that the system discovered
through standard IGMP interfaces. IGMP proxy enables the routing of multicast packets according to the IGMP
requests of LAN devices asking to join multicast groups. Select the ‘Multicast IGMP Proxy Internal’ check-box to
enable this feature.
‘Routing Information Protocol (RIP)’
Select this check box to enable the Routing Information Protocol (RIP). RIP determines a route based on the
smallest hop count between source and destination. When RIP is enabled, select the following:
·
Listen to RIP messages - select ‘None’, ‘RIPv1’, ‘RIPv2’ or ‘RIPv1/2’.
·
Send RIP messages - select ‘None’, ‘RIPv1’, ‘RIPv2-broadcast’ or ‘RIPv2-multicast’.
‘Routing Table’
Allows you to add or modify routes when this device is active. Use the ‘New Route’ button to add a route or edit
existing routes.
Figure 5.35 Advanced Routing Properties
To learn more about this feature, please refer to chapter 6.6.7.
5.2.3.6
Internet Connection Firewall
Your gateway’s firewall helps protect your computer by preventing unauthorized users from gaining access to it
through a network such as the Internet. The firewall can be activated per network connection.
To enable the firewall on this network connection, select the ‘Enabled’ check box. To learn more about your
gateway’s security features, please refer to chapter 5.3.
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Figure 5.36 Internet Connection Firewall
5.2.3.7
Additional IP Addresses
You can add alias names (additional IP addresses) to the gateway by clicking the ‘New IP Address’ link. This
enables you to access the gateway using these aliases in addition to the 192.168.1.1.
Figure 5.37 Additional IP Addresses
5.2.4
LAN Wireless
The LAN Wireless interface in the GlobeSurfer
®
II provides wireless connectivity for IEEE 802.11b/g equipped WLAN clients.
GlobeSurfer
®
II integrates multiple layers of security. These include the IEEE 802.1x portbased authentication protocol,
RADIUS client, EAP-MD5, EAP-TLS, EAP-TTLS, EAP-PEAP, Wi-Fi Protected Access (WPA) and industry leading GlobeSurfer
®
II
Firewall and VPN applications. In addition, GlobeSurfer
®
II’s built-in authentication server enables home/SOHO users to define
authorized wireless users without the need for an external RADIUS server.
To configure the LAN Wireless connection:
1.
Click the ‘Network Connections’ icon on the side-bar, the ‘Network Connections’ screen will appear. Press the ‘Advanced’
button to see the devices under the LAN Bridge (see Figure 5.38).
Figure 5.38 Network Connections - Advanced
2.
Click the wireless connection link (or its ‘Edit’ action button) to view its properties. The ‘LAN Wireless Properties’ screen will
appear (see Figure 5.39).
Figure 5.39 LAN Wireless Properties
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®
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REFERENCE MANUAL
3.
Press the ‘Settings’ button to display the various wireless connection settings. The ‘Configure LAN Wireless’ screen will
appear (see Figure 5.40).
Figure 5.40 Configure LAN Wireless
5.2.4.1
General
The top part of the configuration window displays general communication parameters. It is recommended not to
change the default values in this screen unless you are familiar with the networking concepts they represent. Since
your gateway is configured to operate with the default values, no parameter modification is necessary. You can
configure the following general connection settings:
· ‘Physical Address’
The physical address of the network card used for your network. Some cards allow you to
change this address.
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· ‘MTU’
MTU is the Maximum Transmission Unit. It specifies the largest packet size permitted for Internet
transmission. Manual, allows you to enter the largest packet size that will be transmitted. The recommended size,
is 1492. You should leave this value in the 1200 to 1500 range. To have the gateway select the best MTU for your
Internet connection, select Automatic (default setting).
Figure 5.41 General LAN Wireless Settings
5.2.4.2
Wireless Access Point
The wireless access point settings are:
‘SSID’
The SSID is the network name shared among all points in a wireless network. The SSID must be identical for all
points in the wireless network. It is case-sensitive and must not exceed 32 characters (use any of the characters
on the keyboard). Make sure this setting is the same for all points in your wireless network. For added security, you
should change the default SSID to a unique name.
‘SSID Broadcast’
Select this check box to enable the SSID’s broadcast. SSID broadcast is used in order to hide the name of the AP
(SSID) from clients that should not be aware to its existence.
‘802.11 Mode’
Select the Wireless communication standard that is compatible with you PC’s wireless card. You can work in either
802.11g, 802.11b or in mixed mode.
‘Channel’
Select the appropriate channel from the list provided to correspond with your network settings. All devices in your
wireless network must be broadcast on different channels in order to function correctly.
‘Frame Burst’
Frame Bursting is a method to increase the speed of 802.11g-based wireless networks by unwrapping short
802.11g packets and rebundling them into a larger packet to reduce the impact of mandatory gaps between
packets. If you are experiencing problems with your wireless connection, try to disable Frame Burst.
‘Network Authentication’
The WPA network authentication method is ‘Open System Authentication’, meaning that a network key is not used
for authentication. When using the 802.1X WEP or Non-802.1X WEP security protocols, this field changes to a
combo box, offering the ‘Shared Key Authentication’ method (which uses a network key for authentication), or both
methods combined.
‘Transmission Rate’
The transmission rate is set according to the speed of your wireless connection. Select the transmission rate from the
drop down list, or select ‘Auto’ to have GlobeSurfer
®
II automatically use the fastest possible data transmission rate.
‘CTS Protection Mode’
CTS Protection Mode boosts your gateway’s ability to intercept Wireless-G and 802.11b transmissions.
Conversely, CTS Protection Mode decreases performance. Leave this feature disabled unless you encounter severe
communication difficulties between the gateway andWireless-G products.
‘CTS Protection Type’
CTS Protection Type defines if the CTS Protection Mode defined above should use CTS only or both RTS/CTS.
‘Beacon Interval’
A beacon is a packet broadcast by GlobeSurfer
®
II to synchronize the wireless network. The Beacon Interval value
indicates how often the beacon is sent.

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