Command-Line Interface
gw-world:/> add Interface VLAN VLAN10
Ethernet=lan
IP=vlan10_ip
Network=all-nets
VLANID=10
Web Interface
1. Go to: Network > Interfaces and VPN > VLAN > Add > VLAN
2. Now enter:
• Name: Enter a name, for example VLAN10
• Interface: lan
• VLAN ID: 10
• IP Address: vlan10_ip
• Network: all-nets
3. Click OK
3.4.5. Service VLAN
In certain scenarios, it is desirable to wrap traffic from multiple VLANs inside a single parent
VLAN. This is sometimes referred to as a Q-in-Q VLAN or a Stacked VLAN. In NetDefendOS, it is
called a Service VLAN and follows the standard defined by IEEE 802.1ad. It can be said that a
service LAN tunnels other VLANs and provides a convenient method of using a single logical
connection on a single Ethernet interface through which multiple VLANs can flow.
A Service VLAN Use Case
A NetDefend Firewall can act as a terminator for a service VLAN. A typical use case for service
VLAN termination is illustrated in the diagram below.
Chapter 3: Fundamentals
199
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