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Page 36 / 203 Scroll up to view Page 31 - 35
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Chapter 3:
LAN Configuration
ProSafe Dual WAN Gigabit Firewall with SSL & IPsec VPN FVS336Gv2 Reference Manual
The
Known PCs and Devices
table lists the entries in the LAN Groups Database. For each
computer or device, the following fields are displayed:
•
Name
. The name of the PC or device. For computers that do not support the NetBIOS
protocol, this will be listed as “Unknown” (you can edit the entry manually to add a
meaningful name). If the computer was assigned an IP address by the DHCP server, then
the Name will be appended by an asterisk.
•
IP Address
. The current IP address of the computer. For DHCP clients of the VPN
firewall, this IP address will not change. If a computer is assigned a static IP addresses,
you will need to update this entry manually if the IP address on the computer has been
changed.
•
MAC Address
. The MAC address of the PC’s network interface.
•
Group
. Each PC or device can be assigned to a single group. By default, a computer is
assigned to Group 1, unless a different group is chosen from the
Group
drop-down list.
•
Action
. Allows modification of the selected entry by clicking
Edit
.
Adding Devices to the LAN Groups Database
To add devices manually to the LAN Groups Database, follow these steps:
1.
In the
Add Known PCs and Devices
section, make the following entries:
•
Name
. Enter the name of the PC or device.
•
IP Address Type
. From the drop-down list, choose how this device receives its IP
address. The choices are:
-
Fixed (Set on PC)
. The IP address is statically assigned on the computer.
-
Reserved (DHCP Client)
. Directs the VPN firewall’s DHCP server to always assign
the specified IP address to this client during the DHCP negotiation (see
“Configuring
DHCP Address Reservation”
on page 37).
Note:
When assigning a reserved IP address to a client, the IP address
selected must be outside the range of addresses allocated to the
DHCP server pool.
•
IP Address
.
Enter the IP address that this computer or device is assigned in the IP
Address
field. If the IP Address Type is Reserved (DHCP Client), the VPN firewall will
reserve the IP address for the associated MAC address.
•
MAC Address
.
Enter the MAC address of the computer’s network interface in the
MAC Address
field. The MAC address format is six colon-separated pairs of
hexadecimal characters (0-9 and A-F), such as 01:23:45:67:89:AB.
•
Group
.
From the drop-down list, select the LAN Group to which the computer will be
assigned. (Group 1 is the default group.)
2.
Click
Add
. The device will be added to the
Known PCs and Devices
table.
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Chapter 3:
LAN Configuration
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ProSafe Dual WAN Gigabit Firewall with SSL & IPsec VPN FVS336Gv2 Reference Manual
3.
(Optional) To enable DHCP Address Reservation after the entry is in the table, select
the checkbox for the new table entry and click
Save Binding
to bind the IP address to
the MAC address for DHCP assignment.
Changing Group Names in the LAN Groups Database
By default, the LAN Groups are named Group1 through Group8. You can rename these
group names to be more descriptive, such as Engineering or Marketing.
To edit the names of any of the eight available groups:
1.
From the
LAN Groups
tab, click the
Edit Group Names
link to the right of the tabs. The
Network Database Group Names screen
appears.
2.
Select the radio button next to any group name to make that name active for editing.
3.
Type a new name in the field.
4.
Select and edit other group names if desired.
5.
Click
Apply
to save your settings.
Configuring DHCP Address Reservation
When you specify a reserved IP address for a device on the LAN (based on the MAC
address of the device), that computer or device will always receive the same IP address each
time it accesses the VPN firewall’s DHCP server. Reserved IP addresses should be assigned
to servers or access points that require permanent IP address settings. The Reserved IP
address that you select must be outside of the DHCP Server pool.
To reserve an IP address, enter the device on the LAN Groups screen, specifying
Reserved
(DHCP Client)
,
as described in
“Adding Devices to the LAN Groups Database”
on page 36.
Note:
The reserved address will not be assigned until the next time the PC
contacts the VPN firewall’s DHCP server. Reboot the PC or access
its IP configuration and force a DHCP release and renew.
Page 38 / 203
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Chapter 3:
LAN Configuration
ProSafe Dual WAN Gigabit Firewall with SSL & IPsec VPN FVS336Gv2 Reference Manual
Configuring Multi Home LAN IP Addresses
If you have computers on your LAN using different IP address ranges (for example,
172.16.2.0 or 10.0.0.0), you can add “aliases” to the LAN port, giving computers on those
networks access to the Internet through the VPN firewall. This allows the VPN firewall to act
as a gateway to additional logical subnets on your LAN. You can assign the VPN firewall an
IP address on each additional logical subnet.
To add a secondary LAN IP address:
1.
Select Network Configuration > LAN Settings from the menu, and click the
LAN
Multi-homing
tab. The LAN Multi-homing screen is displayed.
The
Available Secondary LAN IPs
table lists the secondary LAN IP addresses added to
the VPN firewall.
•
IP Address
. The “alias,” an additional IP address hosted by the LAN port of the VPN
firewall. This address will be the gateway for computers on the secondary subnet.
•
Subnet Mask
. The IPv4 subnet mask that defines the range of the secondary subnet.
2.
In the
Add Secondary LAN IP Address
section, enter the additional IP address and
subnet mask to be assigned to the LAN port of the VPN firewall.
3.
Click
Add.
The new Secondary LAN IP address will appear in the
Available Secondary
LAN IPs
table.
Note:
IP addresses on these secondary subnets cannot be configured in
the DHCP server. The hosts on the secondary subnets must be
manually configured with IP addresses, gateway IP addresses, and
DNS server IP addresses.
Tip:
The secondary LAN IP address will be assigned to the LAN interface of
the VPN firewall and can be used as a gateway by computers on the
secondary subnet.
Page 39 / 203
Chapter 3:
LAN Configuration
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ProSafe Dual WAN Gigabit Firewall with SSL & IPsec VPN FVS336Gv2 Reference Manual
Configuring Static Routes
Static Routes provide additional routing information to your VPN firewall. Under normal
circumstances, the VPN firewall has adequate routing information after it has been
configured for Internet access, and you do not need to configure additional static routes. You
should configure static routes only for unusual cases such as multiple firewalls or multiple IP
subnets located on your network.
To add or edit a static route:
1.
Select Network Configuration > Routing from the menu. The Routing
screen displays.
2.
Click
Add
. The Add Static Route screen is displayed.
3.
Enter a route name for this static route in the
Route Name
field (for identification and
management).
4.
Select
Active
to make this route effective.
5.
Select
Private
if you want to limit access to the LAN only. The static route will not be
advertised in RIP.
6.
Enter the
Destination IP Address
to the host or network to which the route leads.
7.
Enter the
IP Subnet Mask
for this destination. If the destination is a single host, enter
255.255.255.255.
8.
Enter the
Interface
which is the physical network interface (WAN1, WAN2, or LAN)
through which this route is accessible.
9.
Enter the
Gateway IP Address
through which the destination host or network can be
reached (must be a device on the same LAN segment as the network storage).
Page 40 / 203
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Chapter 3:
LAN Configuration
ProSafe Dual WAN Gigabit Firewall with SSL & IPsec VPN FVS336Gv2 Reference Manual
10.
Enter the
Metric
priority for this route. If multiple routes to the same destination exit, the
route with the lowest metric is chosen (value must be between 1 and 15).
11.
Click
Apply
to save your settings.
The new static route will be added to the
Static Routes
table.
Configuring Routing Information Protocol (RIP)
RIP (Routing Information Protocol, RFC 2453) is an Interior Gateway Protocol (IGP) that is
commonly used in internal networks (LANs). It allows a router to exchange its routing
information automatically with other routers, and allows it to dynamically adjust its routing
tables and adapt to changes in the network. RIP is disabled by default.
To configure RIP parameters:
1.
Select Network Configuration > Routing from the menu.
2.
Click the
RIP Configuration
link to the right of the tab. The
RIP Configuration
screen
is displayed.
3.
From the
RIP Direction
drop-down list, choose the direction in which the VPN firewall
will send and receive RIP packets. The choices are:
•
None
. The VPN firewall neither broadcasts its route table nor does it accept any RIP
packets from other routers. This effectively disables RIP.
•
Both
. The VPN firewall broadcasts its routing table and also processes RIP
information received from other routers.
•
Out Only
. The VPN firewall broadcasts its routing table periodically but does not
accept RIP information from other routers.

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