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TD-8817 ADSL2+ Modem Router User Guide

can communicate as if they were attached to the same LAN, when in fact they are located on a

number of different LAN segments. Because VLANs are based on logical instead of physical

connections, it is very flexible for user/host management, bandwidth allocation and resource

optimization. There are two types of VLAN as follows:

Port-Based VLAN: Each physical switch port is configured with an access list specifying

membership in a set of VLANs.

ATM VLAN: Using LAN Emulation (LANE) protocol to map Ethernet packets into ATM cells and

deliver them to their destination by converting an Ethernet MAC address into an ATM address.

Figure 4-24

1. Assign VLAN PVID for each Interface

Click Assign VLAN PVID for each Interface in Figure 4-24, you can assign the PVID for each

interface in the next screen (shown in Figure 4-25).

Figure 4-25

¾ PVID: Each physical port has a default VID called PVID (Port VID). PVID is assigned to

untagged frames or priority tagged frames (frames with null (0) VID) received on this port.