Nokia IP60 User Manual page 127

Security appliance
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The IP60 appliance supports the following VLAN types:
Tag-based
In tag-based VLAN you use one of the gateway's ports as a 802.1Q VLAN trunk, connecting the
appliance to a VLAN-aware switch. Each VLAN behind the trunk is assigned an identifying number
called a ―VLAN ID‖, also referred to as a "VLAN tag". All outgoing traffic from a tag-based VLAN
contains the VLAN's tag in the packet headers. Incoming traffic to the VLAN must contain the
VLAN's tag as well, or the packets are dropped. Tagging ensures that traffic is directed to the correct
VLAN.
Figure 11: Tag-Based VLAN
Chapter 6: Managing Your Network
Configuring Network Settings
127

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