HP OfficeConnect Firewall Series Manuel d'utilisateur Page 39

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OfficeConnect VPN Firewall User’s Manual Chapter 5. Configuring LAN Settings
25
5 Configuring LAN Settings
This chapter describes how to configure LAN properties for the LAN interface on
the OfficeConnect Gigabit VPN Firewall that communicates with your LAN
computers. You’ll learn to configure IP address, DHCP and DNS server for your
LAN in this chapter.
5.1 LAN IP Address
If you are using the OfficeConnect Gigabit VPN Firewall with multiple PCs on
your LAN, you must connect the LAN via the Ethernet ports on the built-in
Ethernet switch. You must assign a unique IP address to each device residing
on your LAN. The LAN IP address identifies the OfficeConnect Gigabit VPN
Firewall as a node on your network; that is, its IP address must be in the same
subnet as the PCs on your LAN. The default LAN IP for the OfficeConnect
Gigabit VPN Firewall is 192.168.1.1.
Definition
A network node can be thought of as any interface where a
device connects to the network, such as the OfficeConnect Gigabit
VPN Firewalls LAN port and the network interface cards on your
PCs. See Appendix 18 for an explanation of subnets.
You can change the default to reflect the set of IP addresses that you want to
use with your network.
Note
The OfficeConnect Gigabit VPN Firewall itself can function as a
DHCP server for your LAN computers, as described in section
5.2.3 Configuring DHCP Server, but not for its own LAN port.
5.1.1 LAN IP Configuration Parameters
Table 5.1describes the configuration parameters available for LAN IP
configuration.
Table 5.1 LAN IP Configuration Parameters
Setting
Description
IP Address
The LAN IP address of the OfficeConnect Gigabit VPN
Firewall. This IP is used by your computers to identify the
OfficeConnect Gigabit VPN Firewall’s LAN port. Note that
the public IP address assigned to you by your ISP is not
your LAN IP address. The public IP address identifies the
WAN port on the OfficeConnect Gigabit VPN Firewall to
the Internet.
Subnet Mask
The LAN subnet mask identifies which parts of the LAN IP
Address refer to your network as a whole and which parts
refer specifically to nodes on the network. Your device is
preconfigured with a default subnet mask of
255.255.255.0.
5.1.2 Configuring the LAN IP Address
Follow these steps to change the default LAN IP address.
1. Log into Configuration Manager as administrator, and then click
Network > IP Setup menu to display the Interface List Table as
shown in Figure 5.1.
2. Click on the icon of the VLAN1/LAN entry to be modified in the
Interface List Table.
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