IGS-3032GC User’s Manual
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5.1.6 VLAN
A Virtual LAN (VLAN) is a logical network grouping that limits the broadcast domain, which
allows you to isolate network traffic. Only the members of the VLAN will receive traffic from
the same members of VLAN. Basically, creating a VLAN from a switch is logically equivalent
of reconnecting a group of network devices to another Layer 2 switch. However, all the
network devices are still plugged into the same switch physically.
The switch supports port-based and 802.1Q (tagged-based) VLAN. The default
configuration of VLAN operation mode is at “
802.1Q
”.
5.1.6.1
VLAN Configuration – 802.1Q
Tagged-based VLAN is an IEEE 802.1Q specification standard, and t is possible to create a
VLAN across devices from different switch venders. IEEE 802.1Q VLAN uses a technique to
insert a “tag” into the Ethernet frames. Tag contains a VLAN Identifier (VID) that indicates the
VLAN numbers.
You can create Tag-based VLAN, and enable or disable GVRP protocol. There are 256
VLAN groups to provide configure. Enable 802.1Q VLAN, the all ports on the switch belong
to default VLAN, VID is 1. The default VLAN cannot be deleted.
GVRP allows automatic VLAN configuration between the switch and nodes. If the switch is
connected to a device with GVRP enabled, you can send a GVRP request by using the VID of
a VLAN defined on the switch; the switch will automatically add that device to the existing
VLAN.
