Chapter 9 Interfaces
NXC Series User’s Guide
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This approach provides a few advantages.
• Increased performance - In VLAN 2, the extra switch should route traffic inside the sales department
faster than the router does. In addition, broadcasts are limited to smaller, more logical groups of users.
• Higher security - If each computer has a separate physical connection to the switch, then broadcast
traffic in each VLAN is never sent to computers in another VLAN.
• Better manageability - You can align network policies more appropriately for users. For example, you
can create different policy route 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.
9.3.1 VLAN Summary
This screen lists every VLAN interface. If you enabled IPv6 in the Configuration > System > IPv6 screen,
you can also configure VLAN interfaces used for your IPv6 networks on this screen. To access this screen,
click Configuration > Network > Interface > VLAN.
Figure 90 Configuration > Network > Interface > VLAN
Each field is explained in the following table.
Table 69 Configuration > Network > Interface > VLAN
LABEL DESCRIPTION
Configuration /
IPv6 Configuration
Use the Configuration section for IPv4 network settings. Use the IPv6 Configuration section for
IPv6 network settings if you connect your NXC to an IPv6 network. Both sections have similar
fields as described below.
Add Click this to create a new VLAN.
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