Configuring Vlans - D-Link NetDefend DFL-CP310 User Manual

the IP Address field, type the IP address to use as the OfficeMode network's
4. In
default gateway.
Note: The Of ficeMode network must not overlap other networks.
5. In the Subnet Mask text box, type
6. If desired, enable or disable Hide NAT.
Se e Enabling/Disabling Hide NAT on
7. If desired, configure DHCP options.
See Configuring DHCP Server Options on page 101.
ick Apply.
8. Cl
A warning message appears.
ick OK.
9. Cl
A success message appears.
Co nfiguring VLANs
Yo ur NetDefend firewall allows you partition your network into several
LAN networks (VLANs). A VLAN is a logical network behind the NetDefend
fir ewall. Computers in the same VLAN behave as if they w
physical network: traffic
fir ewall. In contrast, traffic between a VL
the fi rewall and is subject to the security policy. By default, traffic from a V
any other internal network (including ot
de fining VLANs can increase security and redu
For e xample, you can assign each division within your organization to a differe
VLA N, regard less of their physical location. The members of a division will be
able to communicate with each other and share resources, and only members who
need to communicate with other di
Chapter 5: Managing Your Network
the OfficeMode internal network range.
page 107.
flows freely between them, without passing through a
AN and other networks passes through
her VLANs) is blocked. In this way,
visions will be allowed to do so. Furthermore,
Configuring Network Settings
ere on the same
ce network congestion.
virtual
LAN to
nt
111