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Chapter 10 Interface
ZyWALL USG 1000 User’s Guide
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• Better manageability - You can align network policies more appropriately for users. For
example, you can create different content filtering rules for each VLAN (each department
in the example above), and you can set different bandwidth limits for each VLAN. These
rules are also independent of the physical network, so you can change the physical
network without changing policies.
In this example, the new switch handles the following types of traffic:
• Inside VLAN 2.
• Between the router and VLAN 1.
• Between the router and VLAN 2.
• Between the router and VLAN 3.
10.4.2 VLAN Interfaces Overview
In the ZyWALL, each VLAN is called a VLAN interface. As a router, the ZyWALL routes
traffic between VLAN interfaces, but it does not route traffic within a VLAN interface. All
traffic for each VLAN interface can go through only one Ethernet interface, though each
Ethernet interface can have one or more VLAN interfaces.
" Each VLAN interface is created on top of only one Ethernet interface.
Otherwise, VLAN interfaces are similar to other interfaces in many ways. They have an IP
address, subnet mask, and gateway used to make routing decisions. They restrict bandwidth
and packet size. They can provide DHCP services, and they can verify the gateway is
available.
10.4.3 VLAN Summary Screen
This screen lists every VLAN interface and virtual interface created on top of VLAN
interfaces. To access this screen, click Network > Interface > VLAN.
Figure 132 Network > Interface > VLAN
Each field is explained in the following table.
Table 52 Network > Interface > VLAN
LABEL DESCRIPTION
# This field is a sequential value, and it is not associated with any interface.
Name This field displays the name of the interface.