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Page 116 / 126 Scroll up to view Page 111 - 115
030-300613 Rev A
116
August 2009
User Guide
VersaLink Wireless Gateway (Model 7500)
IP Interfaces
Lists the active interfaces on the Gateway, their IP address and subnet mask. eth0 is the local LAN interface. lo0
is the loopback interface.
Address
Displays the IP interface address.
Subnet Mask
Displays the IP interface subnet address.
Name
Displays the IP interface device name:
•
eth0: local LAN interface.
•
lo0: loopback interface.
•
Main PPP: local WAN interface.
Network Routing Table
Lists the network routes. These can be either routes for directly connected interfaces or static routes. Static routes
have a
delete
button to allow for their removal. Static routes that have not been saved to flash also have a
save
button, which make the static route permanent. The 0.0.0.0 route is the default route; any packet with a
destination not explicitly listed in the route table would be routed using the default route. Each route consists of a
destination IP subnet, mask, gateway, interface, and metric.
Destination
Displays the IP address or subnet of the route.
Subnet Mask
Displays the following:
•
If the route is a network route, Subnet Mask is used to specify the subnet
address.
•
If the route is a host route, then the Host Route check box is used.
Gateway
Displays the IP address of the Gateway.
Interface
Displays where to send the packet if it matches this route.
Metric
Displays the RIP metric to be assigned to this route if/when it is advertised using
RIP. The metric is equivalent to the RIP metric 0-15; it is used to differentiate routes
with the same address and mask. Lower metrics are preferred. The RIP column
indicates whether a static route should be advertised via RIP.
Host Routing Table
Lists host routes. A host route is an IP route with a 32-bit mask, indicating a single destination (as opposed to a
subnet, which could match several destinations).
Destination
Displays the IP address or subnet of the Route.
Gateway
Displays the IP address of the Gateway.
Interface
Displays the where to send the packet if it matches this route.
Metric
Displays the RIP metric to be assigned to this route if/when it is advertised using
RIP.
Inactive Routes
Lists static routes whose interface is currently not in service.
Inactive Routes
Displays static routes whose interface is currently not in service.
Destination
Displays the IP address or subnet of the Route.
Subnet Mask
Displays the following:
•
If the Route is a network route, Subnet Mask is used to specify the subnet
address.
•
If the Route is a Host route, then the Host Route check box is used.
Gateway
Displays the IP address of the Gateway.
Interface
Displays where to send the packet if it matches this route.
Metric
Displays the RIP metric to be assigned to this route if/when it is advertised using
RIP. The metric is equivalent to the RIP metric 0-15; it is used to differentiate routes
with the same address and mask. Lower metrics are preferred. The RIP column
indicates whether a static route should be advertised via RIP.
Add Route
Used to add a new static route in the Gateway.
Destination Address
Displays the IP address or subnet of the Route.
Page 117 / 126
030-300613 Rev A
117
August 2009
User Guide
VersaLink Wireless Gateway (Model 7500)
Subnet Mask/ Host Route
Displays the following:
•
If the Route is a network route, Subnet Mask is used to specify the subnet
address.
•
If the Route is a Host route, then the Host Route check box is used.
Gateway/LAN Gateway
Address
Click this drop-down menu to select the interface to use for sending the packet, if it
matches this route. Only active gateways can be used to create a static route.
Metric
Displays the RIP metric to be assigned to this route if/when it is advertised using
RIP. The metric is equivalent to the RIP metric 0-15; it is used to differentiate routes
with the same address and mask. Lower metrics are preferred. The RIP column
indicates whether a static route should be advertised via RIP.
RIP Config
Click this drop-down menu to select whether or not to advertise the static route,
using RIP. (RIP must also be enabled before the route will be advertised.)
•
NEVER
•
ALWAYS
Save to Modem
If checked, then the route will be made permanent by saving it to flash memory. If
not checked, the route will disappear the next time the Gateway restarts.
add
Click this button to add a newly created route.
14.4.8
RIP
The following screen will appear if you select
Advanced > WAN > RIP
from the main menu. This screen allows
you to change your Gateway’s RIP configuration. RIP (Routing Information Protocol) is a dynamic inter-network
routing protocol primarily used in interior routing environments. A dynamic routing protocol, as opposed to a static
routing protocol, automatically discovers routes and builds routing tables. If you change the settings in this screen,
click
save
and then
OK
. If you click
reset
or
Cancel
, the screen will return to its previous settings.
Page 118 / 126
030-300613 Rev A
118
August 2009
User Guide
VersaLink Wireless Gateway (Model 7500)
RIP Global Enable
Click this check box to enable or disable both LAN and WAN RIP feature. By
default,
RIP Global Enable
is disabled (unchecked).
RIP Configuration
Interface Type
Click this drop-down menu to configure RIP for the LAN side or the WAN side
(WAN side is receive-only).
Receive
Click this drop-down menu to select the version of RIP to be accepted.
•
None
•
RIPv1
•
RIPv2
•
RIPv1 or RIPv2
Transmit
Click this drop-down menu to select the version of RIP to be transmitted.
(WAN side RIP never transmits.)
•
None
•
RIPv1
•
RIPv2
•
RIPv1 or RIPv2
RIPv2 Authentication Mode
Click this drop-down menu to select the type of authentication to use if utilizing
RIP V2.
•
None
•
Clear Text
•
MD5 (If MD5 authentication, the password)
Advanced
Default Gateway
Click this check box to enable or disable the Default Gateway, which
determines whether the Gateway advertises itself as a gateway (the default
route). By default,
Default Gateway
is disabled (unchecked).
RIP Timer Rate
Displays how often the local routing table is updated.
RIP Supply Interval
Displays how often to advertise routes to neighbors.
RIP Expire Time
Displays how long routes received from neighbors become invalid if no refresh
of the route is received.
RIP Garbage Collection Time
Displays how long to advertise invalid routes after they have expired.
14.4.9
Dynamic DNS
The following screen will appear if you select
Advanced > WAN > Dynamic DNS
from the main menu. Dynamic
DNS allows a dynamic IP address to be aliased to a static hostname. For example, consider a situation where you’re
hosting a server on your Gateway’s LAN and your Gateway receives a dynamic WAN IP address from your ISP.
Without Dynamic DNS, if your WAN IP address changes, external users will have no way of knowing what your new
WAN IP address is, and therefore, will not be able to access your server.
To address this situation, a number of companies (dynamic DNS ISPs) offer a service through which you may obtain
a URL hostname for the server that you’re hosting. This hostname is associated with the WAN IP address of your
Gateway. The Gateway incorporates an “update client” that monitors for WAN IP address changes. If a change is
detected, the update client notifies the dynamic DNS service provider of your new IP address. The dynamic DNS ISP
then updates your DNS record by associating your new IP address to your hostname. Thus, external users access your
server using your hostname and are unaffected by a change in your IP address.
If you change the settings in this screen, click
save
and then
OK
. If you click
discard
, the screen will return to its
previous settings.
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User Guide
VersaLink Wireless Gateway (Model 7500)
DNS Client
Click the option to enable or disable the DNS Client feature.
Service Provider
Click this drop-down menu to select a dynamic DNS service type.
Custom
allows
for choosing a service not listed.
•
Dyndns.org – dyndns
•
Dyndns.org – statdns
•
Dyndns.org – custom
•
Zoneedit.com
•
No-ip.com
•
Custom: Allows you to add a service not included in the drop-down menu.
Host Name
Displays the name the dynamic DNS client is registered with. This defaults to the
unique part of the MAC address and should not be changed.
Domain Name
Displays the name the dynamic DNS client is registered with. This defaults to a
dyndns.org free domain.
User Name
Displays the name for the account registered with the dynamic DNS client service
provider.
User Password
Displays the user password for the account registered with the dynamic DNS client
service provider.
Check Interval
Displays how often the IP is checked (in minutes). Minimum is 10 min. Maximum is
about 10 days.
Log Level
Click this drop-down menu to set the verbose debug level recorded in the syslog.
To configure Dynamic DNS (Service), please follow these steps:
1.
Check
Enable
to enable the dynamic DNS client or
Disable
to disable the dynamic DNS client.
2.
Choose the
Service Provider
from the drop-down menu.
3.
Type the
Host Name
in the provided field.
4.
Type the
Domain Name
in the provided field.
5.
Type the
User Name
in the provided field.
6.
Type the
User Password
in the provided field.
7.
Type the
Check Interval
in the provided field.
8.
Choose the
Log Level
from the drop-down menu.
9.
Click
Save
to save the settings.
Congratulations! You have successfully configured Dynamic DNS.
Page 120 / 126
030-300613 Rev A
120
August 2009
User Guide
VersaLink Wireless Gateway (Model 7500)
14.5
Single Static IP
The following screen will appear if you select
Advanced > Single Static IP
from the main menu. This screen
contains the settings that allow the PPP address received from the network to be propagated to a single LAN device
behind the Gateway.
Single Static IP (SSI) allows you to select one device on your LAN that will share the WAN assigned IP address. By
doing this, the device with the SSI becomes visible on the Internet. Network Address Translation (NAT) and
Firewall rules do not apply to the device configured for SSI. If you are using Bridge (Routed Bridge) protocol,
Single Static IP
configuration will not be available.
IMPORTANT:
1.
Before you begin this section, configure your PC settings to obtain an IP address from your Gateway
automatically. If needed, refer to your computer’s Windows help screen for instructions.
2.
If you have previously enabled Public LAN, you will need to disable Public LAN and enable the DHCP for
Private LAN and the Private LAN settings before you configure Single Static IP.
3.
Static NAT and Single Static IP are mutually exclusive features. Static NAT should be disabled (if it has
previously been enabled) before you enable
Single Static IP
. To disable Static NAT, select
Services
from the
Configuration
menu. Next, click the
static NAT
button. Select the device from the
Static NAT Device
drop-
down menu and click
disable
. You can now configure Single Static IP.
4.
If your Gateway’s Ethernet VersaPort is configured for “WAN Uplink Port” instead of “LAN Ethernet Port,”
this feature will not be available. Refer to section 14.4.3, “VersaPort.”
WAN IP Address
Displays the PPP IP address that the ISP has assigned the Gateway.

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