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The VLAN group includes Port-1 with NAT mode to WAN interface as shown in following diagram.
3.2.2.2
Tag-based VLAN
A Tag-based VLAN is also called a VLAN Trunk. The VLAN Trunk collects all packet flows with different VLAN IDs from the
router and delivers them to the Intranet. VLAN membership in a tagged VLAN is determined by the VLAN ID information
within the packet frames that are received on a port. The administrator can further use a VLAN switch to separate the VLAN
trunk to different groups based on the VLAN ID.
The Tag-based VLAN function can group Ethernet ports, Port-1 to Port-4, and Wi-Fi Virtual Access Points, VAP-1 - VAP-8,
together with different VLAN tags for deploying subnets in the Intranet. All packet flows can carry different VLAN tags even
on the same physical Ethernet port for the Intranet. These flows can be directed to different destinations because they have
different tags. This approach is very useful to group hosts in different geographic locations to be in the same workgroup.
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© NetComm Wireless 2019
Figure 83 – Port-based VLAN example
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