HP OfficeConnect Firewall Series Manuel d'utilisateur télécharger pdf (Page 43)

OfficeConnect VPN Firewall User’s Manual Chapter 5. Configuring LAN Settings

5.2.4 Viewing Current DHCP Address Assignments

When the OfficeConnect Gigabit VPN Firewall functions as a DHCP server for

your LAN, it keeps a record of any addresses it has leased to your computers.

To view a table of all current IP address assignments, just go to the DHCP Server

Configuration page. A page displays similar to that shown in Figure 5.3; the

bottom half of the same page shows the existing DHCP address assignments.

The DHCP Server Address Table lists any IP addresses that are currently

leased to LAN devices. For each leased address, the table lists the following

information:

Table 5.3 DHCP Address Assignment

Field

Description

MAC Address

A hardware ID of the device that leases an IP address

from the DHCP server.

Assigned IP

Address

The address that has been leased from the pool.

IP Address

Expired on

The time when the leased address is to be terminated.

5.3 Configuring Fixed DHCP Leases

Fixed DHCP Leases are IP addresses assigned to hosts requiring permanent IP

settings. To configuring fixed DHCP Leases, you can follow one of the following

methods:

 Manually enter fixed DHCP entry: You can manually enter information

about a network device.

 Import discovered LAN hosts as fixed DHCP entries: The local

network is scanned using ARP requests. The ARP scan will detect

active devices that are not DHCP clients. However, sometimes the name

of the PC or device cannot be accurately determined, and will appear in

the database as Unknown.

5.3.1 Manually add a Fixed DHCP Lease.

To add a fixed DHCP Lease, follow these steps:

1. Enter the name of the PC or device.

2. Enter the IP address of the PC or device. The DHCP Server will

permanently reserve the IP address for the specified device.

3. Enter the MAC address of the PC or device. Please note that the

MAC address format is six colon-separated pairs of hexadecimal

characters (0-9 and A-F), such as 00:0D:31:45:17:1B.

4. Click button to add the new entry.

5.3.2 Import Discovered LAN Hosts as Fixed DHCP Entries

The following steps show you how to configure multiple DHCP entries by

importing discovered LAN hosts.

1. Click ―Import from Host Discovery‖ button. The host discovery

configuration page will be shown as Figure 5.4.

2. Select an appropriate interface from the Interface drop-down list.

3. Click ―Discovery‖ button to start the LAN host discovery.

4. The Host List table displays all discovered LAN hosts.

5. Click on the check box in front of the LAN host to be selected. Or

click ―Select All‖ button to select all discovered entries.

6. Click on the check box of ―Fixed DHCP Lease‖ and then click

to save the settings.

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HP OfficeConnect Firewall Series Manuel d'utilisateur Page 43

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