ZyXEL GS2200-8/24 User Manual download pdf (Page 85)

Chapter 9 VLAN

GS2200-8/24 User’s Guide

9.1.2.2 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 49 Port VLAN Trunking

9.1.2.3 Select the VLAN Type

Select a VLAN type in the Basic Setting > Switch Setup screen.

Figure 50 Switch Setup > Select VLAN Type

VLAN Administrative

Control

Registration Fixed Fixed registration ports are permanent VLAN members.

Registration

Forbidden

Ports with registration forbidden are forbidden to join the

specified VLAN.

Normal Registration Ports dynamically join a VLAN using GVRP.

VLAN Tag Control Tagged Ports belonging to the specified VLAN tag all outgoing frames

transmitted.

Untagged Ports belonging to the specified VLAN don't tag all outgoing

frames transmitted.

VLAN Port Port VID This is the VLAN ID assigned to untagged frames that this

port received.

Acceptable Frame

Type

You may choose to accept both tagged and untagged

incoming frames, just tagged incoming frames or just

untagged incoming frames on a port.

Ingress filtering If set, the Switch discards incoming frames for VLANs that

do not have this port as a member

Table 16 IEEE 802.1Q VLAN Terminology (continued)

VLAN PARAMETER TERM DESCRIPTION

1 ... 84 85 86 ... 332

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ZyXEL GS2200-8/24 User Manual Page 85