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VLAN overview
You can set up a VLAN (virtual local area network) to group traffic passing through the
switch and other networked devices so that members of the VLAN function as part of a
single isolated network. VLANs can offer benefits such as enhanced security, improved
load balancing, better use of shared resources, and more efficient network management.
Ports can be grouped in VLANs using either the port-based or 802.1Q tag-based method:
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Port-based VLANs: These are the simplest types of VLANs. To set up a port-based
VLAN, you select the ports that you want to be members of the VLAN, which creates
a virtual network consisting of all devices connected to the member ports.
If the switch is the only switch in your network and you do not need a VLAN to function
across multiple network devices (such as a router, another switch, a WiFi access
point, or any network device that supports VLANs), we recommend that you use a
port-based VLAN. The switch supports the following types of port-based VLANs:
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Basic port-based VLAN: If each port only needs to belong to a single VLAN
(except the uplink port, which is the port that connects your switch to your router),
you can use a basic port-based VLAN. To set up a basic port-based VLAN, you
assign the same VLAN ID to one or more ports. Except for the uplink port, a port
belongs to a single basic port-based VLAN only, so the number of basic
port-based VLANs cannot be greater than the number of ports on the switch.
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Advanced port-based VLAN: If you want ports to belong to multiple VLANs,
you can use an advanced port-based VLAN. To set up an advanced port-based
VLAN, you assign the same VLAN ID to one or more ports to make them members
of this VLAN, but you can also assign other VLAN IDs to these ports to make them
members of other VLANs.
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802.1Q-based VLANs (tag-based VLANs): Tagged VLANs are more flexible, and
the switch can support many more tagged VLANs than port-based VLANs. The switch
supports the IEEE 802.1Q standard, which lets you assign tags to Ethernet frames
to route VLAN traffic. When a port receives data tagged for a VLAN, the port accepts
the data only if the port is a member of that VLAN. Otherwise, the port discards the
data. You can also route traffic from the switch through an 802.1Q VLAN that is set
up on another network device in your LAN (or even outside your LAN) by using the
same VLAN ID on both network devices.
If you need a VLAN to function across multiple network devices (such as a router,
another switch, a WiFi access point, or any network device that supports VLANs), we
recommend that you use an 802.1Q-based VLAN. The switch supports the following
types of 802.1Q-based VLANs:
-
Basic 802.1Q-based VLAN: If you do not need custom tagging on a port, you
can use a basic 802.1Q-based VLAN. When you use a basic 802.1Q-based VLAN,
User Manual29Use VLANS for Traffic
Segmentation
Gigabit Ethernet Plus Switches
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