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VLAN, you can assign a single VLAN ID only as the port VLAN identifier (PVID). By default,
all four LAN ports of the router are assigned to the default VLAN, or VLAN 1, and all
untagged traffic is routed through the default VLAN. Therefore, by default, all four LAN
ports are assigned the default PVID 1. However, you can change the configuration of
VLAN 1 and you can assign another PVID to a LAN port. You cannot delete VLAN 1
because it is the management VLAN (see Management VLAN concepts on page 80).
Note: The WAN port is an untagged member of default VLAN 2. You cannot change
or delete VLAN 2.
The following applies to VLANs on the router:
•
A LAN port is assigned to at least one VLAN but you can assign it to multiple VLANs.
•
When you assign a LAN port to multiple VLANs, you can use the port as a trunk port
to connect the router to a switch, access point, or other router.
•
You can assign a LAN port as a tagged member of multiple VLANs. However, a LAN
port can be an untagged member of a single VLAN only. (By default, all LAN ports
are untagged members of VLAN 1.)
The router treats incoming packets in the following ways:
•
If an untagged packet enters a port, it is automatically tagged with the port’s default
VLAN ID. Each port is assigned a default VLAN ID (the PVID) that you can configure.
The default setting is 1.
•
If a tagged packet enters a port, the tag for that packet is unaffected by the default
VLAN ID. The packet proceeds to the VLAN that is specified by the VLAN ID in the
packet.
•
If a packet enters through a port that is a member of the VLAN that is specified by
the VLAN ID in the packet, the packet can be sent to other ports with the same VLAN
ID.
•
If a packet enters through a port that is not a member of the VLAN that is specified
by the VLAN ID in the packet, the packet is dropped.
•
Packets that leave the switch are either tagged or untagged, depending on the VLAN
to which the port belongs.
Management VLAN concepts
A management VLAN is a much smaller network that is contained within your regular
network. The primary benefit of using a management VLAN is improved network security.
When all management traffic is on a separate VLAN, it is much harder for unauthorized
users to make changes to your network or monitor network traffic.
User Manual80Manage the LAN and VLAN
Settings
Insight Instant VPN Router BR500
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