Netgear SRX5308 Specifications Page 68

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LAN Configuration
68
ProSafe Gigabit Quad WAN SSL VPN Firewall SRX5308
There is no need to reserve an IP address for a PC in the DHCP server. All IP address
assignments made by the DHCP server are maintained until the PC or device is removed
from the network database, either by expiration (inactive for a long time) or by you.
There is no need to use a fixed IP address on a PCs. Because the IP address allocated
by the DHCP server never changes, you do not need to assign a fixed IP address to a PC
to ensure that it always has the same IP address.
A PC is identified by its MAC address—not by its IP address. The network database uses
the MAC address to identify each PC or device. Therefore, changing a PC’s IP address
does not affect any restrictions applied to that PC.
Control over PCs can be assigned to groups and individuals:
- You can assign PCs to groups (see Manage the Network Database on page 68 on
this page) and apply restrictions (LAN WAN outbound rules, LAN DMZ outbound
rules, LAN WAN inbound rules, and LAN DMZ inbound rules) to each group (see Use
Rules to Block or Allow Specific Kinds of Traffic on page 82).
- If necessary, you can also create firewall rules to apply to a single PC (see Enable
Source MAC Filtering on page 126). Because the MAC address is used to identify
each PC, users cannot avoid these restrictions by changing their IP address.
Manage the Network Database
You can view the network database, manually add or remove database entries, and edit
database entries.
To view the network database:
1. Select Network Configuration > LAN Settings > LAN Groups. The LAN Groups
screen displays. (The following figure shows some examples in the Known PCs and
Devices table.)
Figure 34.
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