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Chapter 8 VLAN
ES-2024 Series User’s Guide
81
8.3 Port VLAN Trunking
Enable VLAN Trunking on a port to allow frames belonging to unknown VLAN groups to
pass through that port. This is useful if you want to set up VLAN groups on end devices
without having to configure the same VLAN groups on intermediary devices.
Refer to the following figure. Suppose you want to create VLAN groups 1 and 2 (V1 and V2)
on devices A and B. Without VLAN Trunking, you must configure VLAN groups 1 and 2 on
all intermediary switches C, D and E; otherwise they will drop frames with unknown VLAN
group tags. However, with VLAN Trunking enabled on a port(s) in each intermediary switch
you only need to create VLAN groups in the end devices (A and B). C, D and E automatically
allow frames with VLAN group tags 1 and 2 (VLAN groups that are unknown to those
switches) to pass through their VLAN trunking port(s).
Figure 30 Port VLAN Trunking
8.4 Select the VLAN Type
Select a VLAN type in the Basic Setting > Switch Setup screen.
Figure 31 Switch Setup: Select VLAN Type
8.5 Static VLAN
Use a static VLAN to decide whether an incoming frame on a port should be
• sent to a VLAN group as normal depending on its VLAN tag.
• sent to a group whether it has a VLAN tag or not.
• blocked from a VLAN group regardless of its VLAN tag.
You can also tag all outgoing frames (that were previously untagged) from a port with the
specified VID.